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quote:
0s.gif Op maandag 11 juni 2018 13:26 schreef Frutsel het volgende:
CivilDefenseHI twitterde op maandag 11-06-2018 om 13:01:24 Explosive eruption at Kilauea summit at 12:50 am. Protect yourself from fallout. Stay indoors or drive according to the conditions. reageer retweet
Ik ben benieuwd het is nog nacht daar pas over een uur of 5 hebben we beelden met daglicht.
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quote:
1s.gif Op maandag 11 juni 2018 13:41 schreef Basp1 het volgende:

[..]

Ik ben benieuwd het is nog nacht daar pas over een uur of 5 hebben we beelden met daglicht.
Vrij heftig.
  maandag 11 juni 2018 @ 18:28:02 #153
385501 Nikonlover
KLB aandachtshoer 2013
  maandag 11 juni 2018 @ 18:30:07 #154
94257 aloa
Steeds harder, steeds sneller
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pi_179744448
quote:
Steam explosion spreads ash fallout at Kīlauea summit nearly 40 days after initial eruption

Hawaii’s Kīlauea volcano has been erupting since May 3, and according to the county of Hawaii's civil defense agency, another small explosion occurred on Sunday morning.

The steam explosion spewed ash plumes over Ka'u, the southernmost district of the Big Island. The eruption happened 38 days after Kīlauea’s initial explosion which sent lava, ash and toxic gases throughout Hawaii’s largest island.

Hawaiian Volcano Observatory reports that the eruption continues in the lower East Rift Zone. Fissure 8 continues to produce a large channelized flow that is entering the ocean at Kapoho Bay and producing a large laze plume.

A 5.3 magnitude volcanic eruption occurred early Monday morning about 3 miles west-southwest of the Kilauea Volcano, according to the USGS.

The Pacific Tsunami Warning Center reported no tsunami threat following the event.

The earthquake was associated with an ash explosion that happened around 04:43 a.m. local time from the Halema'uma'u crater, the USGS reported.

The USGS also stated that this event's plume was similar to past events that have sent ash clouds up to 10,000 feet in the air and drifted southwest, with possible ash fall at downwind locations.

According to the county of Hawaii civil defense agency, severe conditions may exist such as inability to breathe and choking. The agency said this is a serious situation that affects the entire exposed population.

“I’m talking about 600 families. Don’t forget the farmers, don’t forget the ranchers, don’t forget all the employees for them,” Hawaii County Mayor Harry Kim said. Mayor Kim’s home was also destroyed by the volcano.

At least 700 homes have been destroyed by lava since he eruptions began, Kim told Hawaii News Now.

The lava that continues to spew from Kīlauea has reached a new high temperature of 2,140 degrees Fahrenheit.

"This is the hottest lava we've seen during this eruption," Wendy Stovall, a scientist with USGS, on Hawaii News Now said.

"Lava can't get hotter than where we are," Stovall said.
pi_179765723
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quote:
Eruption continues without signs of weakening
Kilauea’s eruption in the lower East Rift Zone continues without showing any signs of weakening. The current activity has been sustained for 38 days now, 2 days longer than the last fissure eruption that occurred in this area in 1960. However, compared to the rapid change of activity locations and advancing lava flow fronts, the eruption seems to have geographically settled for the past week.

Fissure 8 remains the centre of activity with a line of closely spaced vents that continue to erupt lava. The height of the produced lava fountains thereby fluctuates between 35 – 55 meter (115 - 180 feet), just above or below the rim of the large spatter cone (pu’u) that they build up along the downwind side of the vents. Lava fountaining from fissure 8 continues to feed a fast-moving channelized lava flow trending north and then east to the ocean entry at Kapoho Bay. Hawai’i Volcano Observatory scientists estimate the lava output to reach up to approximately 100 cubic meters per second!

The width of the active part of this long lava channel varies along its length, ranging from about 90 to 275 meter (100 to 300 yards) wide, splitting from 1 channel into a braided lava river that comes back together before turning eastward to Kapoho. Despite the fact that this channel is full of lava, only minor overflows of the channel levees occurred along the length of the lava flow which so far were short-lived and hence did not pose an immediate threat to areas not previously covered by lava.
Comparison of previous lava flow maps and thermal maps with the current ones show that the wide lava channel flowing over what used to be Kapoho concentrates into a narrow funnel from where there is now only 1 main ocean entry. The lava that has filled Kapoho Bay in the past week built a new lava delta which is now about 1 square kilometre (250 acres) in size.

The interaction of molten lava flowing into cool seawater causes pulsating "littoral explosions" that throw spatter (fragments of molten lava) and pieces of solidified glassy lava high into the air. HVO/USGS warns that these ocean entry littoral explosions can create hazardous conditions both on land and at sea, because the lava fragments can be thrown far inland, as well as seaward. Volcanic gas emissions from the fissure eruption remain very high, a recent measure indicated them to be nearly twice the value of the past two weeks.

The only other activity in the Lower East Rift Zone fissure system was glow, degassing and weak spattering noted for the last several days at Fissures 16 & 18. This activity is however not creating any lava flows.
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Kilauea’s summit caldera continues to subside
Kilauea’s summit caldera continues to subside in response to the withdrawal of magma from beneath the volcano’s summit that drains to the Lower East Rift Zone eruption site. The seismic cycle with M5 events and explosions in Halema’uama’u crater also persists, resulting in inward slumping of the crater rim and walls.

HVO/USGS report that during the night from 14 to 15 June seismicity increased once again to about 40 events per hour, including up to 5 magnitude-3+ earthquakes per hour, many of which were felt in the nearby village of Volcano. This gradual build up continued on June 15, 2018, and resulted in over 180 seismic events between 6 am and noon, 8 of which were stronger than magnitude-3.0. Finally an explosive event occurred at 11:56 AM that produced an ash and gas plume to nearly 3050 m (10,000 ft). This explosive event was captured by the Kilauea caldera live streaming camera and a video can be seen in the FB post below

Seismicity dropped abruptly after the explosive event but then slowly started to build up again over the next hours. By the early morning of June 16, 2018, about 35 earthquakes were recorded each hour and this seismicity culminated at 10:22 AM in a subsurface explosion with energy equivalent to a magnitude-5.3 earthquake which produced a weak gas and ash emission plume that rose from Halemaʻumaʻu crater. Once the plume had cleared up, the Kilauea caldera webcam showed fresh collapse of Halemaʻumaʻu crater rim. Again, seismicity dropped abruptly right after this event but slowly increased during the day reaching 25 earthquakes per hour (magnitude
quote:
Lower East Rift Zone eruption continues with little change

Throughout the weekend, Kilauea’s lower East Rift Zone eruption persisted to vigorously effusive large amounts of lava from fissure 8 which travelled along the well established 13 km (8 mile) channel to the broad ocean entry at Kapoho

Fissure 8 continues to produce lava fountains with a pulsating height varying from 30 to 60 m (100 – 200 ft). This ongoing spattering of lava has built up an impressive cinder cone that partially encircles the fissure 8 vent and is now 51 m (170 ft) at its highest point. Lower fountains are thereby hidden from view within this cinder cone, but taller fountains are still adding fragments of lava (spatter) that continue to build the cone higher.

From the fissure 8 vent, lava flows freely over small cascades (rapids) into a well-established perched channel that travels for about 13 km (8 mi) to the ocean entry at Kapoho. Near the vent, lava is traveling about 24 km per hour (15 mi per hour) but it slows down to about 2 km per hour (1.5 mi per hour) near the ocean entry at Kapoho. Occasionally, minor amounts of lava briefly spill over the channel levees but overall the flow field seems stable with little change to its size and shape for the past few days.

There has only been a small amount of expansion of lava onto new areas at the southern boundary of the flow near the coast and south of Vacationland. As of 15 June, the total lava flow area of this eruption is 23,9 square km (9,2 square miles) and the new lava delta constructed in the ocean covers 1,3 square km (320 acres).

Apart from the vigorous lava fountaining at fissure 8, there is still lava oozing from fissures 16 and 18 which create small lava flows, some mild spattering intermittenly observed from fissures 6 and 15 and increased steaming from fissure 9.

Magma continues to be supplied to the Lower East Rift Zone but seismicity remains relatively low in the area with numerous small magnitude earthquakes and low amplitude background tremor. Higher amplitude tremor is occasionally being recorded on seismic stations close to the ocean entry. (HVO/USGS)
https://www.volcanodiscov(...)urrent-activity.html
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8jTCvvU.jpg

1gnnX8C.jpg

The scale of Halemaumau crater sinking at Kilauea summit is more clear with HVO & JaggarMuseum in the scene
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quote:
Magnitude Mw 5.3
Region ISLAND OF HAWAII, HAWAII
Date time 2018-06-27 08:40:40.6 UTC
Location 19.45 N ; 155.30 W
Depth 2 km
Distances 3851 km NE of Majuro, Marshall Islands / pop: 25,400 / local time: 20:40:40.6 2018-06-27
337 km SE of Honolulu, United States / pop: 372,000 / local time: 22:40:40.6 2018-06-26
38 km SW of Hilo, United States / pop: 43,300 / local time: 22:40:40.6 2018-06-26
7 km W of Volcano, United States / pop: 2,600 / local time: 22:40:40.6 2018-06-26
Nog een 5.3 aardbeving... het gaat maar door...
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De waarheid in iemands hoofd is vaak onbuigzamer dan het sterkste staal.
pi_180096099
quote:
:o
Wel mooie foto’s
  donderdag 28 juni 2018 @ 21:16:59 #164
11839 DemonRage
[ Eindhoven ]
pi_180109809
Een paar minuten geleden verscheen deze op twitter:
ImagenTVPuebla twitterde op donderdag 28-06-2018 om 21:09:19 #ImagenImpactante || Nueva erupcin del volcn #Kilauea provoca un #sismo de 5.2 grados. ? https://t.co/e8q4IuNawa reageer retweet
Een nieuwe eruptie van de Kilauea vulkaan heeft een aardbeving van kracht 5.2 teweeg gebracht.
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USGSVolcanoes twitterde op maandag 02-07-2018 om 01:58:21 High-resolution #satellite image used to map major #cracks (yellow lines) within the #summit #caldera of #Kilauea #Volcano. Red-shaded area east of #Halemaumau is moving down within a scarp-bounded zone. Dark gray-shaded area shows the region of most significant down dropping. https://t.co/BVJ9xecjQN reageer retweet
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oS27GbO.jpg
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quote:
0s.gif Op donderdag 28 juni 2018 21:16 schreef DemonRage het volgende:
Een paar minuten geleden verscheen deze op twitter:
ImagenTVPuebla twitterde op donderdag 28-06-2018 om 21:09:19 #ImagenImpactante || Nueva erupcin del volcn #Kilauea provoca un #sismo de 5.2 grados. ? https://t.co/e8q4IuNawa reageer retweet
Een nieuwe eruptie van de Kilauea vulkaan heeft een aardbeving van kracht 5.2 teweeg gebracht.
En nog eentje...

USGSVolcanoes twitterde op maandag 02-07-2018 om 14:07:01 Kīlauea Message Mon, 02 Jul 2018 02:05:35 HST: At 01:24 AM HST July 2, a collapse explosion event occurred at Kīlauea's summit. Radar indicated an ash-poor plume rose ~1200 ft above the ground surface. The energy released by the event was equivalent to a M5.3 earthquake. reageer retweet
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joily3d.jpg

quote:
A tiny 'island of lava' forms near Hawaii's Kilauea volcano

A small "island of lava" has popped up near Kilauea in Hawaii, as U.S. authorities continue to monitor activity at the volcano.

According to the U.S. Geological Survey, a field crew noticed lava oozing from this island was similar to lava near Hawaii's coastline.

The island is estimated to sit a few meters offshores, and is as wide as 30 feet in diameter.

USGS believes the island most likely formed from lava flow at fissure eight — one of 24 fissures spotted at the volcano. It might have also formed as a submarine tumulus, created when the upward pressure of slow-moving molten lava swells or pushes the overlying crust upward.

Lava from Kilauea has been spewing for more than a month, forcing evacuations. Last month, USGS said the lava was transforming into a fast-flowing river capable of covering roughly 200 yards per hour.
pi_180523878
quote:
Kīlauea Volcano Lower East Rift Zone

Fissure 8 continues to erupt lava into the perched channel leading northeastward from the vent. The channel is full but not quite up to the rim; there were no significant overflows this morning. The southern margin of the flow remained about 1 km (0.6 mi) from Isaac Hale Park this morning. Despite no visible surface connection to the fissure 8 channel, lava continues to ooze out at several points on the 6 km (3.7 mi) wide flow front into the ocean. Explosions were reported from the main ocean entry this morning with at least one being quite strong.

Fissure 22 did not appear active this morning but sounds were heard from it last night. No other fissures are active this morning.

Pele's hair and other lightweight volcanic glass fragments from the lava fountain at Fissure 8 continue to fall downwind of the fissure, dusting the ground within a few hundred meters (yards) of the vent. High winds may waft lighter particles to greater distances. Residents are urged to minimize exposure to these volcanic particles, which can cause skin and eye irritation similar to volcanic ash.
yefZPJd.jpg]

bron: USGS
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quote:
Opvarenden toeristenboot Hawaii gewond door 'lavabom'
Zeker 23 opvarenden van een rondvaartboot zijn gewond geraakt toen een grote klont hete lava uit het water omhoogschoot en door het dak op het vaartuig terecht kwam. Het is het zwaarste ongeluk sinds de recente uitbarsting van de vulkaan Kilauea op Hawaii, zegt de brandweer.

Vier gewonden, onder wie een vrouw van in de twintig met een gebroken dijbeen, moesten worden overgebracht naar het ziekenhuis, liet de brandweercommandant weten. De anderen werden verzorgd in een lokaal medisch centrum of door de brandweer.

Sinds mei is het al onrustig op Hawaii rond de vulkaan Kilauea. Door de uitbarsting zijn zo'n zeshonderd huizen verwoest op het eiland. De autoriteiten hebben ongeveer 2500 mensen gevacueerd.

De lavabrokstukken hebben een groot gat geboord in het dak van de boot. Ook een deel van de balustrade is beschadigd. De boot is terug naar de haven gevaren, waar de gewonden meteen opgevangen werden.
  dinsdag 17 juli 2018 @ 08:55:50 #170
94257 aloa
Steeds harder, steeds sneller
pi_180529906
Toeristenboot geraakt bij vulkaanuitbarsting Hawa: 23 gewonden

In de Amerikaanse staat Hawa zijn 23 mensen gewond geraakt toen de boot waarin zij zaten door stenen werd geraakt tijdens een vulkaanuitbarsting. De meeste verwondingen waren oppervlakkig, maar vier mensen zijn met een ambulance naar het ziekenhuis gebracht voor verdere behandeling. Een vrouw met een gebroken bovenbeen was er het slechtst aan toe.

De slachtoffers zaten op een toerboot die langs de vulkaan Kilauea voer. De toeristen wilden de uitbarsting van de vulkaan, die sinds mei weer hevig aan de gang is, van dichtbij zien.

Toen lava van de vulkaan de oceaan in stroomde, spatten er stukken steen de lucht in. Een aantal van die vulkanische bommen kwam op de boot terecht. Een steen ter grootte van een basketbal sloeg een groot gat in het dak van de boot.

De kapitein van de boot werd volledig verrast door het incident. Shane Turpin voer op zo'n 250 meter van de lava, toen het schip werd geraakt. De explosie zelf heeft hij niet gezien.

"Het gebeurde achter ons", vertelt Turpin aan persbureau AP. "Toen we bezig waren aan de terugweg, waren er opeens knallen overal om ons heen."

De autoriteiten op Hawa waarschuwen al langer om niet te dicht bij de lava te komen, omdat er giftige gaswolken kunnen ontstaan. Maar sommige touroperators slaan die waarschuwingen in de wind.

De Kilauea is een van de actiefste vulkanen ter wereld. Sinds 1983 spuwt hij constant lava, in meer of mindere mate.

Afgelopen voorjaar is de vulkaanuitbarsting weer in hevigheid toegenomen. Al meer dan 700 woningen zijn door lavastromen verwoest.

Qua slachtoffers viel het tot nu toe mee. Tot het incident met de toeristenboot was er maar een ernstig gewonde: in mei liep een man een gebroken been op toen hij werd geraakt door een vallend stuk steen.

https://nos.nl/artikel/22(...)wai-23-gewonden.html


  dinsdag 17 juli 2018 @ 08:59:14 #172
94257 aloa
Steeds harder, steeds sneller
pi_180529951
quote:
0s.gif Op dinsdag 17 juli 2018 08:57 schreef Frutsel het volgende:

Zag het vanochtend bij de NOS.. heftig :o
Niet slim om zo dichtbij te gaan varen :o
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