Aardbevingen #19

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Op zondag 18 december 2016 14:58 schreef heywoodu het volgende:
Hoe zat het ook alweer met die knakker in NWS met z'n deep focus aardbevingen die gevolgd zouden worden door een flinke klapper?

Deze gebeurde net, 6.1 op meer dan 600km diepte.

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Three people dead after strong quake Ecuador
At least 3 people have been killed and more than 47 injured after a strong and shallow earthquake registered by Ecuador's Geophysical Institute (IGEPN) as M5.7 hit Ecuador on December 19, 2016. The quake occurred at 07:11 UTC at a shallow depth of 5.2 km (3.2 miles). USGS registered it as M5.4 at a depth of 10 km (6.2 miles). EMSC is reporting M5.5 at the same depth.

According to the USGS, the epicenter was located 18.5 km (11.5 miles) SSW of Esmeraldas (population 165 2016), 38.4 km (23.9 miles) NE of Muisne (population 13 393), 61.6 km (38.3 miles) NNW of Rosa Zarate (population 42 121), and 96.9 km (60.2 miles) WSW of Valdez (population 11 441), Ecuador.

IGEPN recorded the quake off the coast of Atacames in Esmeraldas province, about 175 km (108.7 miles) NW of Quito, the capital. It was followed by 15 lesser-magnitude aftershocks (M3.4 - 4.5).

A tsunami alert was not issued but the institute warned that aftershocks could be expected.

This region was devastated by a massive M7.8 earthquake on April 16, 2016. That quake killed about 670 people.

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Magnitude 6.7 quake strikes off Solomons

A magnitude 6.7 quake has struck off the Solomon Islands at a depth of 44 kilometres but there's no threat of a tsunami.

An earthquake with a magnitude of 6.7 has struck off the Solomon Islands, according to the United States Geological Survey, the second powerful tremor in the islands to Australia's north in less than two weeks.

The Pacific Tsunami Warning Centre said Tuesday's quake, which was centred about 120km northwest of Kira Kira at a depth of 44km, had not triggered any tsunami threat.

It came less than two weeks after a powerful 7.8 earthquake struck off the Solomons, triggering a tsunami warning for a wide swathe of the South Pacific that sent hundreds of villagers rushing to higher ground.

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Op woensdag 28 december 2016 10:22 schreef heywoodu het volgende:
Flink aan het rommelen daar

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Op woensdag 28 december 2016 10:26 schreef heywoodu het volgende:
Nog een 5+ erbij

Hopen dat dit geen voorschokjes ofzo zijn.

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Op woensdag 28 december 2016 10:46 schreef Zapata het volgende:
Beetje jammer dat er in de openingspost de aardbevingen uit 2003 in Groningen genoemd worden en niet veel recentere die ook nog eens zwaarder waren.

Alsof de aardbevingen van de laatste 13 jaar niet gebeurt zijn.

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Op woensdag 28 december 2016 10:55 schreef Zapata het volgende:

[..]

lijst is behoorlijk incompleet.
http://www.rtvnoord.nl/aardbevingen2015

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Op woensdag 28 december 2016 11:00 schreef heywoodu het volgende:

[..]

De laatste vier bij EMSC voldoen daar allemaal niet aan

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twitter:

nealDonaldTrump twitterde op woensdag 28-12-2016 om 14:06:21 Just testing some nukes in the dessert #earthquake reageer retweet

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Op zondag 1 januari 2017 01:24 schreef heywoodu het volgende:
Honderdmiljoenmilard bevingen in Californië

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Earthquake swarm near Brawley California has scientists attention
warm of more than 250 small earthquakes have struck since New Year’s Eve near the California-Mexico border, causing unease among residents and attention from scientists.

The strongest earthquake in the sequence was magnitude 3.9, striking directly underneath the town of Brawley, about 170 miles southeast of Los Angeles.

The earthquakes struck in the southern end of the Brawley Seismic Zone, a seismically active region where tectonic plates are moving away from each other and the Earth’s crust is getting stretched out “and basically adding land,” said Caltech seismologist Egill Hauksson.

The Brawley Seismic Zone is particularly important to watch because it is the region that connects the San Andreas and Imperial faults, both of which can produce damaging earthquakes. The seismic zone extends for about 30 miles from the city of Brawley, across the Salton Sea’s southern half, and ends near Bombay Beach

In 1979, a magnitude-6.5 earthquake sent violent shaking into El Centro, injuring 91 and causing so much damage to the concrete Imperial County Services Building that it had to be demolished.

There was major damage to the irrigation system in the Imperial Valley, a desert region that is a prolific producer of salad vegetables during the winter. Levees lining the All-American Canal, which funnels water from the Colorado River, collapsed along an eight-mile stretch.

The magnitude-7.1 earthquake that hit El Centro in 1940 claimed nine lives and swayed buildings as far away as Los Angeles. Irrigation systems were damaged, and railroad tracks were left warped where they crossed the fault.

Earthquake swarms that occur in the other end of the Brawley Seismic Zone -- to the north -- could trigger a major event on the San Andreas fault, one of California's most dangerous, that could send catastrophic shaking into Riverside, San Bernardino and Los Angeles counties.

In late September, one such swarm began in the northern Brawley Seismic Zone, with three measuring above magnitude 4. That event led the U.S. Geological Survey to warn that chances of a magnitude 7 or greater earthquake on the San Andreas fault had risen as a result of the swarm.

Another swarm of small earthquakes, topping out at magnitude 3.5, struck the town of Niland near the eastern shore of the Salton Sea on Halloween.

The last major earthquake to hit Brawley was in 2012, registering at magnitude 5.4.

Brawley Mayor Sam Couchman said the earthquakes have placed the city of 26,000 on edge since Saturday afternoon. The combination of the earthquakes and New Year's pyrotechnics spooked some of the town's dogs, who went missing, he said.

"We're just kind of listening to it, and when you can hear it coming, it'll rattle things," Couchman said. "Last night, we had the rain, the earthquakes, and the fireworks.

"All we needed were frogs and locusts."

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Magnitude M 5.6
Region INDIA-BANGLADESH BORDER REGION
Date time 2017-01-03 09:09:02.4 UTC
Location 24.07 N ; 92.08 E
Depth 30 km
Distances 175 km E of Dhaka, Bangladesh / pop: 10,357,000 / local time: 15:09:02.4 2017-01-03
75 km NW of Āīzawl, India / pop: 266,000 / local time: 14:39:02.4 2017-01-03
29 km SE of Kamalpur, India / pop: 5,600 / local time: 14:39:02.4 2017-01-0

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Magnitude Mw 7.0
Region CELEBES SEA
Date time 2017-01-10 06:13:47.9 UTC
Location 4.44 N ; 122.64 E
Depth 626 km
Distances 363 km SW of Malingao, Philippines / pop: 1,122,000 / local time: 14:13:47.9 2017-01-10
334 km SW of Koronadal, Philippines / pop: 126,000 / local time: 14:13:47.9 2017-01-10
280 km S of Zamboanga, Philippines / pop: 458,000 / local time: 14:13:47.9 2017-01-10
194 km SE of Tabiauan, Philippines / pop: 2,400 / local time: 14:13:47.9 2017-01-10

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Magnitude Mw 5.6
Region MADAGASCAR
Date time 2017-01-11 22:06:59.5 UTC
Location 20.17 S ; 46.59 E
Depth 15 km
Distances 171 km SW of Antananarivo, Madagascar / pop: 1,392,000 / local time: 01:06:59.5 2017-01-12
149 km N of Fianarantsoa, Madagascar / pop: 168,000 / local time: 01:06:59.5 2017-01-12
46 km SW of Betafo, Madagascar / pop: 29,800 / local time: 01:06:59.5 2017-01-12

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Magnitude M 5.6
Region CENTRAL ITALY
Date time 2017-01-18 09:25:45.1 UTC
Location 42.67 N ; 13.32 E
Depth 60 km
Distances

twitter:

Ruptly twitterde op woensdag 18-01-2017 om 11:29:11 BREAKING: Rome metro reportedly evacuated as earthquake hits central Italy reageer retweet

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Op woensdag 18 januari 2017 11:28 schreef Roel_Jewel het volgende:
En een derde beving...

twitter:

zoutbergIT twitterde op woensdag 18-01-2017 om 11:26:28 Rome. Derde beving nu. reageer retweet

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Op woensdag 18 januari 2017 11:33 schreef heywoodu het volgende:
Dit begint zo langzamerhand wel een dingetje te worden

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Op woensdag 18 januari 2017 11:36 schreef heywoodu het volgende:
Amateur

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Nieuwe aardbeving treft ingesneeuwd gebied Italië

Een nieuwe aardbeving met een kracht van 5,4 heeft vanochtend het al eerder getroffen gebied tussen Lazio en Abruzzen in Italië getroffen. Het epicentrum lag bij de stad L'Aquila.

De trillingen werden ook gevoeld in Rome, vertelt correspondent Rop Zoutberg. De stad kreeg ook te maken met een grote naschok. Er zijn nog geen meldingen van doden of gewonden.

Het gebied in het midden en zuiden van Italië is eerder dit jaar ook getroffen door een aardbeving. De afgelopen tijd is er heel veel sneeuw gevallen en staat er een hevige wind. In de Abruzzen zit een kwart van de bevolking, zo'n 300.000 mensen, zonder stroom. Mensen raken ingesneeuwd en er zijn al meldingen over mensen die zijn doodgevroren.

Leger

Het Italiaanse leger is ingezet om de getroffen bevolking te helpen. Een medische post in een tent is ingestort door het gewicht van de vele sneeuw. De weersverwachting voor het gebied is niet gunstig. Er wordt nog veel meer sneeuw verwacht. Er is opgeroepen niet het gebied in te gaan.

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Op woensdag 18 januari 2017 11:41 schreef heywoodu het volgende:

[..]

Oh?

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Op woensdag 18 januari 2017 11:42 schreef Roel_Jewel het volgende:

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Blijft lastig aan te geven. Ik vrees dat daar de komende jaren nog wel zwaardere bevingen gaan plaatsvinden...

https://www.nemokennislin(...)steren-midden-italie

[..]

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Op woensdag 18 januari 2017 11:46 schreef heywoodu het volgende:

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Dat zou me wat zijn zeg, dat je zo iets ziet over 8.5 met epicentrum Rome ofzo

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Op woensdag 18 januari 2017 12:02 schreef zenkelly het volgende:
9 miljoen inwoners in dat gebied. 5.3,5.7,en 5.3 lijken me geen naschokken(waarvan? Die van augustus/oktober 2016?)

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Op woensdag 18 januari 2017 12:05 schreef Gutmensch het volgende:
Dat is een flinke lijst ondertussen: http://www.ilmeteo.it/terremoto/

De laatste 4.1 om 11:14 bij Capitignano.

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Why Italy has so many earthquakes

Italy is at the point of contact of two large tectonic plates. It’s a geological situation that’s clearly visible: volcanoes dot the fault line in Sicily and the islands around it. The Eurasian plate, in the north, covers all of Europe and most of Asia (with the exception of the Arabian and Indian peninsulas). The African plate to the south covers Africa all the way to Antarctica.
About 30 million years ago, the African plate bumped into the European one, and birthed the Alps. At the same time, the Indian and Arabian plates pushed up against Europe; the interactions between these plates is the origin of the mountain ranges from the Pyrenees all the way to the Himalayas.

This movement hasn’t stopped since. It’s why the Alps—and the Himalayas—keep growing every year: the plates keep pushing against one another and forcing the mountain peaks higher and higher. It’s also the a main reason why large earthquakes are so common in Italy.
There’s also a a smaller fault line coinciding with the Apennine range, which starts northwest in Liguria where the Alps end and runs like a vertebral column down the center of the country for 1,200 km (745 miles) all the way to Calabria, in the very south.

Combined, these two fault lines put most of Italy at high or very high risk of large seismic events.
There are other European countries—Greece or Iceland, for instance—that share a relatively high likelihood of being hit by earthquakes,. But Italy’s development and population density makes it particularly vulnerable to high death tolls, especially since many of the highest-risk areas in the country are mountainous, which means ruinous landslides are common.

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Magnitude M 4.8
Region CENTRAL ITALY
Date time 2017-01-18 11:07:39.0 UTC
Location 42.69 N ; 13.32 E
Depth 10 km
Distances 112 km NE of Roma, Italy / pop: 2,564,000 / local time: 12:07:39.0 2017-01-18
38 km N of L’Aquila, Italy / pop: 68,600 / local time: 12:07:39.0 2017-01-18
28 km SW of Ascoli Piceno, Italy / pop: 51,400 / local time: 12:07:39.0 2017-01-18

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Twee mensen gered bij bedolven hotel

FARINDOLA - Reddingswerkers hebben twee mensen gered bij het Italiaanse hotel dat woensdag werd bedolven onder een lawine. De twee zaten buiten het hotel in een auto.

Het gaat om de twee mensen die in contact waren met de autoriteiten. Ze zeiden dat er zeker drie mensen waren bedolven door de lawine.

Volgens Italiaanse media zitten er mogelijk nog 27 mensen vast in de kelders van het deels verwoeste gebouw. Mogelijk zijn er gewonden en zelfs doden, aldus de president van de provincie Pescara, Antonio Di Marco. Daarover is nog niets bevestigd.

Het hotel Rigopiano in de buurt van de plaats Farindola werd na de aardbevingen woensdag bedolven onder een lawine. Pas donderdagochtend om vier uur bereikten de eerste reddingswerkers het afgelegen gebied. Het is ze nog niet gelukt om het hotel binnen te komen. Het deel dat nog overeind staat ligt bedolven onder de sneeuw.

Het gebouw staat aan de oostkant van De Gran Sasso d'Italia (vertaald: grote steen van Italië).

Het midden van Italië wordt geplaagd door sneeuw en aardbevingen. Zeker één persoon is woensdagochtend om het leven gekomen. Scholen werden geëvacueerd en het treinverkeer stilgelegd.

De vele bevingen, waaronder drie met een kracht boven de 5 op de schaal van Richter, deden zich voor in in de regio’s die de afgelopen jaren door een serie dodelijke aardbevingen werden getroffen. Het midden van Italië wordt op dit moment ook nog geplaagd door sneeuwval.

twitter:

AFP twitterde op donderdag 19-01-2017 om 08:42:46 #BREAKING 'Many dead' in avalanche-hit hotel after Italy quake: reports reageer retweet

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Magnitude ML 5.3
Region NEAR THE COAST OF WESTERN TURKEY
Date time 2017-02-06 10:58:01.7 UTC
Location 39.51 N ; 26.13 E
Depth 10 km
Distances 148 km NW of İzmir, Turkey / pop: 2,501,000 / local time: 12:58:02.0 2017-02-06
56 km NW of Mytilíni, Greece / pop: 28,400 / local time: 12:58:02.0 2017-02-06
25 km SW of Ayvacık, Turkey / pop: 6,900 / local time: 12:58:02.0 2017-02-06
15 km N of Míthymna, Greece / pop: 1,600 / local time: 12:58:02.0 2017-02-06

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Aardbevingen treffen Lesbos en Turkse kust

ATHENE - De bewoners van het Griekse eiland Lesbos zijn maandag opgeschrikt door een serie aardbevingen. Ook aan de nabijgelegen Turkse kust voelden de mensen de grond trillen.

Drie bevingen hadden een kracht van rond de 5 en er waren ook nog acht bevingen met een kracht van tussen de 3 en 3,9. Volgens het Turkse persbureau DHA raakten in een dorp in de regio Ayvacik vijf mensen lichtgewond. Sommige huizen en schuren raakten beschadigd. De Griekse autoriteiten melden geen schade.

Het centrum van de reeks bevingen lag ongeveer 60 kilometer ten noorden van de stad Mytilene op Lesbos, op een diepte van 2 tot 12 kilometer.

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Op dinsdag 7 februari 2017 15:16 schreef motorbloempje het volgende:
Allemaal de schuld van Erdogan... en Trump. En Katie Hopkins. En Farage. De aarde kan het allemaal niet meer aan.

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Earthquake swarm hits western Turkey
A series of shallow and damaging earthquakes are shaking the tip of the Biga Peninsula in Western Turkey this month. The sequence includes four damaging M5+ earthquakes in which over 350 buildings sustained extensive damage. The quakes are occurring at the intersection of the Kestanbol Fault and the Edremit Fault Zone. ​

The strongest so far was M5.4 on February 6, 2017. This quake hit at a depth of 6 km (3.7 miles) at 13:08 UTC and was preceded by M5.2 at 08:36 UTC. The same area was hit by M5.3 at 08:08 UTC on February 7 and M5.0 at 13:55 UTC today. All quakes occurred at depths between 6 and 10 km (6.2 miles).

Since January 1, the region saw a total of 1 096 earthquakes, according to data provided by the EMSC. 879 of them occurred between February 1 and 12, and 841 between 00:19 UTC on February 6 and 13:55 UTC on February 12.

According to Volkan Sevilgen, Akın Kürçer and Hasan Elmacı (Temblor, MTA), the quakes are occurring at the intersection of the Kestanbol Fault and the Edremit Fault Zone.

As a result of the three damaging M5+ earthquakes, over 350 buildings sustained extensive damage. The Turkish Government has swiftly built a small village from container houses for those who needed shelter and asked residents not to enter any building before official building assessment.

"We calculated that the recent seismic swarm stressed the western portions of the Edremit Fault Zone by about 0.1 bar," the team wrote in their analysis.

A series of shallow and damaging earthquakes are shaking the tip of the Biga Peninsula in Western Turkey this month. The sequence includes four damaging M5+ earthquakes in which over 350 buildings sustained extensive damage. The quakes are occurring at the intersection of the Kestanbol Fault and the Edremit Fault Zone. ​

The strongest so far was M5.4 on February 6, 2017. This quake hit at a depth of 6 km (3.7 miles) at 13:08 UTC and was preceded by M5.2 at 08:36 UTC. The same area was hit by M5.3 at 08:08 UTC on February 7 and M5.0 at 13:55 UTC today. All quakes occurred at depths between 6 and 10 km (6.2 miles).

Since January 1, the region saw a total of 1 096 earthquakes, according to data provided by the EMSC. 879 of them occurred between February 1 and 12, and 841 between 00:19 UTC on February 6 and 13:55 UTC on February 12.

According to Volkan Sevilgen, Akın Kürçer and Hasan Elmacı (Temblor, MTA), the quakes are occurring at the intersection of the Kestanbol Fault and the Edremit Fault Zone.

As a result of the three damaging M5+ earthquakes, over 350 buildings sustained extensive damage. The Turkish Government has swiftly built a small village from container houses for those who needed shelter and asked residents not to enter any building before official building assessment.

"We calculated that the recent seismic swarm stressed the western portions of the Edremit Fault Zone by about 0.1 bar," the team wrote in their analysis.

Earthquake swarm in Western Turkey with faults - February 2017

Credit: Temblor.Net

"If we start seeing larger numbers of small earthquakes on the Edremit Fault Zone, it would suggest the fault was triggered by the seismic swarm. The last large earthquake on the Edremit fault was a magnitude 6.7 earthquake in 1944. Therefore, a similar quake in the future would not be surprising. Thus, we think the seismicity around the Edremit fault should be closely monitored."

Seismic swarms generally occur in geothermal areas where faults are lubricated by hot water, making them easier to slip, they explained.

"This area is one of the most active geothermal regions in Turkey, with some water temperatures reaching 174 ºC (345 ºF). Water boils at 100 ºC (212 ºF) at sea level but the high pressure environment underground prevents evaporation. Most seismic swarms end without triggering a large earthquake."

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Region: SOUTH OF FIJI ISLANDS
Geographic coordinates: 23.203S, 178.845W
Magnitude: 6.9
Depth: 396 km
Universal Time (UTC): 24 Feb 2017 17:28:44
Time near the Epicenter: 25 Feb 2017 05:28:44
Local standard time in your area: 24 Feb 2017 18:28:44

Location with respect to nearby cities:
436 km (271 miles) WSW (238 degrees) of NUKU'ALOFA, Tonga
3111 km (1933 miles) WSW (253 degrees) of PAPEETE, Tahiti, French Polynesia

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Earthquake on the beach: Scientists think a 7.4 temblor could reach from L.A. to San Diego

The discovery of missing links between earthquake faults shows how a magnitude 7.4 earthquake could rupture in the same temblor underneath Los Angeles, Orange and San Diego counties, a new study finds.

Such an earthquake would be 30 times more powerful than the magnitude 6.4 earthquake that caused the 1933 Long Beach earthquake, which killed 120 people.

But to get to a 7.4, the earthquake would not only have to again rupture the Newport-Inglewood fault in Los Angeles and Orange counties. The temblor would also have to jolt the adjacent Rose Canyon fault system, which runs all the way through downtown San Diego and hasn’t ruptured since roughly 1650.

“These two fault zones are actually one continuous fault zone,” said Valerie Sahakian, the study’s lead author, who wrote it while working on her doctorate at Scripps Institution of Oceanography at UC San Diego. Sahakian is now a research geophysicist with the U.S. Geological Survey.

In the past, scientists reported gaps between the two fault systems of as much as 3 miles apart. But the latest study shows the gaps are actually less than 1¼ miles apart.

“That kind of characterizes it as one continuous fault zone, as opposed to two different, distinct fault systems,” Sahakian said, making it far easier for an earthquake to keep shaking land as it races down a longer fault, widening the seismic reach of the temblor.

There had already been consensus among scientists over the last three decades that the fault systems were actually one, said Caltech seismologist Egill Hauksson, who was not involved with this study. “We now have real evidence that this is the case,” Hauksson said.

The difficulty in proving it was caused by the location of the gap — under the Pacific Ocean between Newport Beach and La Jolla. Drawing a better map meant trying to figure out where the fault was underwater.

So Scripps researchers hopped aboard boats, and in the fall of 2013 spent more than 100 days at sea collecting data. They created an image of what the earth looks like under the seafloor to estimate where the fault lies.

To do so, they used a technique kind of similar to how submarines use sonar or bats use echoes to see.

From the ship, scientists towed a machine that generates acoustic waves that bounce off the seafloor and deeper underground layers and returns to the ship, giving the data the scientists need to produce a better map of where the faults actually are located. The researchers also used previously collected data to perfect their new map.

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4.8 magnitude earthquake 62 km from Dorp Soto, Curacao
28 minutes ago

UTC time: Thursday, March 09, 2017 13:29 PM
Your time: Thursday, March 9 2017 2:29 PM
Magnitude Type: mb
USGS page: M 4.8 - 62km WSW of Dorp Soto, Curaçao
USGS status: Reviewed by a seismologist

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Op donderdag 9 maart 2017 15:00 schreef heywoodu het volgende:

Het was de hel op aarde, zo te lezen.

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Magnitude Mw 5.7
Region BALI REGION, INDONESIA
Date time 2017-03-21 23:10:25.7 UTC
Location 8.67 S ; 115.25 E
Depth 120 km
Distances 317 km SE of Surabaya, Indonesia / pop: 2,375,000 / local time: 06:10:25.7 2017-03-22
4 km SE of Denpasar, Indonesia / pop: 406,000 / local time: 07:10:25.7 2017-03-22

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Zware aardbeving Botswana
Een zware aardbeving heeft zuidelijk Afrika door elkaar geschud. Het epicentrum van de beving met een kracht van 6,5 lag op twaalf kilometer diepte en in het dunbevolkte centrum van Botswana.

Dat meldt de Amerikaanse seismologische dienst. Volgens data van de aardbevingsmonitor van het Duitse Helmholtzcentrum in Potsdam had de aardbeving zelfs een magnitude van 6,8.

De schok was ook voelbaar in de Zuid-Afrikaanse handelsmetropool Johannesburg en volgens media ook tot in Zimbabwe. Er is voorlopig geen nieuws over mogelijke schade of slachtoffers.

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Botswana quake may have caused Durban tremor
Monday’s earthquake is reportedly the largest earthquake on record to have struck Botswana.

THE tremor felt in Durban and other parts of South Africa this evening may have been caused by an earthquake in Botswana.

A registered earthquake occurred in Botswana of 6.5 on the Richter Scale, according to earthquaketrack.com.

Several people took to social media, and reported feeling the tremor in Durban and surrounding areas, Johannesburg and Pretoria.

There has been no reports of any possible damage or casualties at the moment. Monday’s earthquake is reportedly the largest earthquake on record to have struck Botswana.

Here are more reactions from Twitter users over the tremor with some taking a light-hearted approach while others linking the tremor to South Africa’s political troubles.

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You felt this earthquake. Tell us!

Magnitude Mw 6.1
Region NORTHEASTERN IRAN
Date time 2017-04-05 06:09:11.7 UTC
Location 35.82 N ; 60.47 E
Depth 10 km
Distances 94 km SE of Mashhad, Iran, Islamic Republic of / pop: 2,308,000 / local time: 10:39:11.7 2017-04-05
65 km N of Torbat-e Jām, Iran, Islamic Republic of / pop: 59,000 / local time: 10:39:11.7 2017-04-05

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Earthquake swarm registered near coast of Valparaiso, Chili

A series of moderate to strong earthquakes were registered near the coast of Valparaiso, Chile on April 22 and 23, 2017. EMSC is reporting at least 25 earthquakes since 22:46 UTC on Saturday, April 22, 2017, with the strongest registered as M6.0 at a depth 20 km (12.4 miles). USGS is reporting this one as M5.9 at a depth of 9.8 km (5.6 miles).

The quakes are occurring some 30 km (18.6 miles) west of Valparaiso (population 283 000) and 130 km (80.7 miles) west of capital Santiago (population 4 838 00) at depths between 10 and 30 km (6.2 - 18.6 miles). There are about 1 337 405 people living within 100 km (62 miles).

ONEMI director, Ricardo Toro, said seven earthquakes were felt by population between the regions of Coquimbo and O'Higgins. The maximum perceived intensity was VI on Mercalli scale in the communes of Valparaíso, Puchuncaví, Casablanca, San Antonio and Villa Alemana, in the Valparaíso Region and in the commune of Tiltil, in the Metropolitan Region.

"According to information provided by the National Seismological Center, the strongest earthquake was 6.0 on the Richter scale, whose epicenter was 48 km (30 miles) west of Valparaiso," Toro said and added that tsunami from this one was not expected. "There were no reports of injuries or damage."

"We call on the population to remain calm, inform themselves through official channels and prioritize text messages or social networks to communicate, in addition to having their emergency kit ready in case of a major emergency," he said.

Ross Stein and Volkan Sevilgen of Temblor said the quakes are occurring on or near the megathrust surface 30 km (18 miles) offshore the major port city of Valparaiso.

"Sustained sequences of moderate shocks are rare; most instead begin with the largest shock, termed the ‘mainshock,’ followed by ‘aftershocks’ that become less frequent with time, and are only rarely larger than the mainshock. So, in both respects - magnitude and frequency - this sequence looks different. Staccato seismic swarms like this one probably accompany slow slip on either the megathrust, or a thrust fault that splays off the megathrust. The depth and location of the sequence, as well as the ‘focal mechanism’ of the largest shock, suggest that the sequence is occurring on, or more likely above, the megathrust surface, where the Nazca Plate is descending beneath the South American Plate," they explained.

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Op dinsdag 25 april 2017 11:29 schreef SecretPret het volgende:
Volgens mij is die tsunami waarschuwing al weg toch?

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Op maandag 1 mei 2017 16:27 schreef Houtenbeen het volgende:

twitter:

EMSC twitterde op maandag 01-05-2017 om 16:26:22 #Earthquake (#sismo) M6.3 strikes 213 km NW of #Juneau (#Alaska) 8 min ago. More info: https://t.co/uBqWzUQ8mh reageer retweet

en weer eentje

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Op dinsdag 9 mei 2017 16:05 schreef Houtenbeen het volgende:

twitter:

XHNews twitterde op dinsdag 09-05-2017 om 16:04:43 #BREAKING: 6.8 magnitude earthquake hits off Vanuatu in South Pacific -- USGS https://t.co/zC8Kl6oG83 reageer retweet

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2017-06-12 12:28:37.8
25min ago
38.85 N 26.34 E 10 6.3 NEAR THE COAST OF WESTERN TURKEY

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]Magnitude Mw 6.3
Region NEAR THE COAST OF WESTERN TURKEY
Date time 2017-06-12 12:28:37.8 UTC
Location 38.85 N ; 26.34 E
Depth 10 km
Distances 85 km NW of Izmir, Turkey / pop: 2,501,000 / local time: 15:28:37.8 2017-06-12
34 km SW of Mytilíni, Greece / pop: 28,400 / local time: 15:28:37.8 2017-06-12
14 km S of Plomárion, Greece / pop: 3,400 / local time: 15:28:37.8 2017-06-12

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Magnitude Mw 6.7
Region GUATEMALA
Date time 2017-06-14 07:29:05.4 UTC
Location 15.05 N ; 91.72 W
Depth 107 km
Distances 138 km W of Guatemala City, Guatemala / pop: 995,000 / local time: 01:29:05.4 2017-06-14
13 km NE of San Marcos, Guatemala / pop: 25,100 / local time: 01:29:05.4 2017-06-14
4 km S of Comitancillo, Guatemala / pop: 19,700 / local time: 01:29:05.4 2017-06-14
Global view
Source parameters provided by:

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Guatemala's earthquake triggers landslides

GUATEMALA CITY - A magnitude 6.9 earthquake in western Guatemala near the border with Mexico caused moderate damage to homes, triggered some landslides across highways and injured at least one person early Wednesday, officials said.

The U.S. Geological Survey reported the tremor was centered 5 miles southwest of Tajumulco, Guatemala about 69 miles below the surface.

Guatemala's emergency coordination agency said the quake struck at 1:29 a.m. local time in the department of San Marcos west of the capital near the Mexican border, but was felt throughout the country.

The country's National Civil Police said one person was injured in San Sebastian Retalhuelu in southern Guatemala when part of a church collapsed. Julio Sanchez of the volunteer firefighters said the man, who was passing by the church when the earthquake struck, was receiving care.

Authorities reported several departments, or states, without electricity.

Across the border in Chiapas, Mexico, Gov. Manuel Velasco said via Twitter that there were reports of cracked walls and shattered windows in Huixtla, but so far no injuries. The state's Civil Protection authorities said the quake was felt throughout the state.

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Op maandag 19 juni 2017 09:48 schreef Roel_Jewel het volgende:
http://www.nunatsiaqonline.ca/

[ afbeelding ]

[ afbeelding ]

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Magnitude M 6.6
Region OFFSHORE GUATEMALA
Date time 2017-06-22 12:31:01.8 UTC
Location 13.73 N ; 90.99 W
Depth 10 km
Distances 113 km SW of Guatemala City, Guatemala / pop: 995,000 / local time: 06:31:01.8 2017-06-22
67 km S of Escuintla, Guatemala / pop: 104,000 / local time: 06:31:01.8 2017-06-22
28 km SW of Puerto San José, Guatemala / pop: 18,700 / local time: 06:31:01.8 2017-06-22

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mb 5.8
Magnitude
Region WESTERN MONTANA
Date time 2017-07-06 06:30:16.0 UTC
Location 46.98 N ; 112.43 W
Depth 2 km
Distances 458 km S of Calgary, Canada / pop: 1,020,000 / local time: 00:30:14.8 2017-07-06
61 km NW of Helena, United States / pop: 28,200 / local time: 00:30:14.8 2017-07-06
27 km NE of Lincoln, United States / pop: 1,100 / local time: 00:30:14.8 2017-07-06

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Strong earthquake strikes Montana

A strong earthquake with a preliminary magnitude of 5.8 has struck western Montana, with shaking felt as far away as Idaho, Washington, and Canada, seismologists say. Only few details were immediately available. (more)

The earthquake, which struck at 12:30 a.m. MT on Thursday, was centered about 5.9 miles southeast of the town of Lincoln, which is located in Lewis and Clark County. It is about 33 miles northwest of Helena and roughly 65 miles from Butte and Missoula.

The U.S. Geological Survey (USGS) put the preliminary magnitude of Thursday's earthquake at 5.8, making it a fairly strong earthquake. It said the earthquake struck at a depth of just 2 miles, which will have increased the intensity of the shaking.

Witnesses across a number of states reported feeling the earthquake, including in Missoula and Butte in Montana. Shaking was also reported in North Dakota, South Dakota, Wyoming, Idaho, Washington state, and across the border in Canada.

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Op woensdag 5 juli 2017 10:19 schreef Dven het volgende:
Al weken veel seismische activiteit bij Ohrid in Macedonië. Ook gisteren weer.

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Magnitude Mw 6.5
Region LEYTE, PHILIPPINES
Date time 2017-07-06 08:03:58.3 UTC
Location 11.11 N ; 124.80 E
Depth 10 km
Distances 434 km N of Budta, Philippines / pop: 1,274,000 / local time: 16:03:58.3 2017-07-06
133 km NE of Cebu City, Philippines / pop: 799,000 / local time: 16:03:58.3 2017-07-06
4 km SE of Canhandugan, Philippines / pop: 2,200 / local time: 16:03:58.3 2017-07-06

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Magnitude Mw 6.5
Region AUCKLAND ISLANDS, N.Z. REGION
Date time 2017-07-11 07:00:11.0 UTC
Location 49.12 S ; 164.50 E
Depth 30 km
Distances 1185 km SW of Wellington, New Zealand / pop: 382,000 / local time: 19:00:11.0 2017-07-11
418 km SW of Invercargill, New Zealand / pop: 47,300 / local time: 19:00:11.0 2017-07-11
401 km SW of Bluff, New Zealand / pop: 2,000 / local time: 19:00:11.0 2017-07-11
Global view
Source parameters reviewed by a seismologist

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Magnitude ML 3.7
Region PORTUGAL
Date time 2017-08-17 06:44:59.2 UTC
Location 39.11 N ; 9.06 W
Depth 60 km
Distances 44 km N of Lisbon, Portugal / pop: 518,000 / local time: 07:44:59.2 2017-08-17
35 km SW of Santarém, Portugal / pop: 29,400 / local time: 07:44:59.2 2017-08-17
3 km SE of Ventosa, Portugal / pop: 5,300 / local time: 07:44:59.2 2017-08-17

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Gebouwen ingestort door aardbeving Italiaans eiland Ischia

Een aardbeving heeft het Italiaanse eiland Ischia voor de kust van Napels getroffen. Verschillende gebouwen zijn ingestort door de beving met een kracht van 3,6.

Een vrouw is volgens Italiaanse media omgekomen toen ze werd geraakt door brokstukken van een kerk. Er zouden mensen vermist worden.

Ischia is een populaire toeristische bestemming. Op het moment is het hoogseizoen op het eiland.

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Magnitude mb 4.3
Region TYRRHENIAN SEA
Date time 2017-08-21 18:57:50.5 UTC
Location 40.68 N ; 13.85 E
Depth 2 km
Distances 177 km SE of Roma, Italy / pop: 2,564,000 / local time: 20:57:50.5 2017-08-21
38 km SW of Napoli, Italy / pop: 989,000 / local time: 20:57:50.5 2017-08-21
10 km SW of Ischia Porto, Italy / pop: 18,200 / local time: 20:57:50.5 2017-08-21

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Op zaterdag 9 september 2017 12:56 schreef _--_ het volgende:
Behoorlijk wat opschuddingen in Idaho https://earthquake.usgs.g(...)A%22us2000aiq7%22%7D

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Op dinsdag 19 september 2017 20:49 schreef heywoodu het volgende:

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Ok

NWS / Zware aardbeving bij Mexico-Stad