[ACTUEEL] Vulkanen op de Canarische Eilanden - Eruptie op La Palma #6

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El Hierro’s Volcanic/Seismic Past

El Hierro is situated in the most southwestern extreme of the Canaries. The island was formed after three successive eruptions, and consequent accumulations, the island emerged from the ocean as an imposing triangular pyramid crowned by a volcano more than 2,000 metres high.

The volcanic activity, principally at the convergence of the three ridges, resulted in the continual expansion of the island. A mere 50,000 years ago, as a result of seismic tremors which produced massive landslides, a giant piece of the island cracked off, crashed down into the ocean and scattered along the seabed. This landslide of more than 300km3 gave rise to the impressive amphitheatre of the El Golfo valley and at the same time caused a tsunami that most likely rose over 100 metres high and probably reached as far as the American coast.

twitter:

teideano twitterde op zaterdag 28-12-2013 om 11:40:20 Inflation at El Hierro still up O_O. 6,5cm at some gps stations. #volcano #geology #nature At least two sites match these figures. reageer retweet

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2013-12-28 13:11 UTC
The first satellite image (Modis Terra satellite) has too much clouds above yesterdays epicenter area to determine color differences in the ocean (the ocean is colored light blue on this location, but these spots are probably clouds). There is another satellite image coming shortly from the Modis Aqua satellite. So hang on to see the latest details.
Click on the link to see it in full size (your computer will need some time to load it!)

twitter:

etnaboris twitterde op zaterdag 28-12-2013 om 18:32:04 @CultureVolcan @magmatters Radon is not a gas that comes from the magma, but which comes from the uppermost few meters of the soil (1/2) reageer retweet

twitter:

etnaboris twitterde op zaterdag 28-12-2013 om 18:32:45 @CultureVolcan @magmatters Radon is released when the ground is subjected to fracturing (induced, e.g., by inflation or seismicity) (2/2) reageer retweet

twitter:

teideano twitterde op zaterdag 28-12-2013 om 02:14:39 222Rn measurements at one of our stations in El Hierro.Precursory activity b4 the earthquake? #volcano #science http://t.co/9prar7IssE reageer retweet

twitter:

teideano twitterde op zondag 29-12-2013 om 03:03:18 http://t.co/gzWAOpC28c Amazing video of El Hierro #quake #volcano #geology #nature #wow reageer retweet

Terremoto 5.1 grados en El hierro. Imágenes exclusivas. Playa Verodal

twitter:

teideano twitterde op zaterdag 28-12-2013 om 02:55:54 Multiple Rockfalls at El Hierro. #volcano #earthquake #geology via Inma Guedes,http://t.co/007CcpwzCm http://t.co/oCBYhUxN71 reageer retweet

twitter:

teideano twitterde op zondag 29-12-2013 om 11:52:09 Aftermath of the 5.3 quake at El Hierro. Pic from Yera Ds. #volcano #geology #nature http://t.co/riu9tyhFvj reageer retweet

twitter:

teideano twitterde op zondag 29-12-2013 om 11:53:26 Aftermath of the 5.3 quake at El Hierro. Pic from Yera Ds. #volcano #geology #nature http://t.co/tftuqiR4Yb reageer retweet

twitter:

VolcanoReport twitterde op maandag 30-12-2013 om 09:51:31 El #Hierro #Volcano Crisis: New data showing changing (but still present) deformations - http://t.co/8YJ4WxbHdK http://t.co/bfjOAPmCNM reageer retweet

twitter:

teideano twitterde op maandag 30-12-2013 om 11:00:14 El Hierro still inflating, no seismicity detected. Up to 8.3 cm at some sites, strange behaviour. #volcano #geology http://t.co/eQU9rI7tEx reageer retweet

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2013-12-30 08:03 UTC
NO more earthquakes, very calm graphs but again spectacular deformation charts.
Deformations are giving a totally changed pattern this morning. The Southern areas are subsiding. The eastern central area is stabilizing BUT the western central and northern areas are inflating (western area very strong). HI10 (El Julan) has no data for the second day in a row. The changing deformation pattern shows the biggest magma movement below the island concentrating in the El Golfo area (Sabinosa to Frontera) and is an additional sign that the crisis isnt over yet.
The strongest deformation today is noted in Sabinosa (GPS station HI03) where the ground was lifted 3 cm in less than 24 hours. The station HI04 (slightly west of HI03 (see map) has however stabilized data.
This crisis will only end when the deformations are stabilizing everywhere.

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2013-12-31 08:52 UTC
What we had expected last night was confirmed this morning by the new deformation data : a general subsidence (deflation) of the island (remark : a couple of signals – HI01 and HI10 – were not updated).
Frontera had a 1 day deflation of 4 cm!.
Yesterday we saw the last tremor disappear from various seismographs. Tremor is the indication that magma is moving somewhere below the island.
The 2 new earthquakes have no special meaning as they will be probably generated by deformation stress and not by magma stress or movement. This will certainly happen more the next few days.
How long will it take to the next crisis ? Nobody knows as it can happen tomorrow or next year, but scientists are convinced that more activity periods will follow.
We were once again happily surprised by the many people following this crisis via earthquake-report.com. We will continue this report also in the future. Please continue to send a comment when you see something irregular on one of the seismographs.

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2014-01-01 13:23 UTC
Renewed increasing tremor is visible in the El Golfo area (TAB en TAN seismographs). Remember that we mentioned this morning that HI04 Sabinosa area GPS station had an increase of at least 2 cm during the last 24 hours.

2014-01-01 10:44 UTC
4 earthquakes since our latest update. The M2.1 at 3 km depth earthquake was located to the south of La Restinga in the Las Calmas sea
Ecxept for the HI04 GPS (Sabinosa) who shows a lifting of 2 cm, almost all the other stations stabilizes based on the new IGN deformation data.
Link to graph of HI00; HI08, HI09 and HI10
Link to graph of HI01, FRON, HI02, HI03 and HI04

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2014-01-02 09:00 UTC
NO new deformation data yet.
1 earthquake listed by IGN
Some tremor, who started yesterday, is still present at the Western El Golfo stations.

twitter:

teideano twitterde op vrijdag 03-01-2014 om 11:02:22 After receeding for a couple of days, inflation seems to be back at El Hierro. Up to 7,9cm at one of our sites. #volcano #geology #nature reageer retweet

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2014-01-03 13:25 UTC
Another special event took place very recently, 2 relatively shallow earthquakes (9 and 10 km deep) in a new area to the east of La Restinga. The first one being a strong M2.8 earthquake, the second (aftershock?) a M1.8 earthquake 1 minute and 44 seconds later. Especially the location is intriguing us.

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2014-01-05 20:19 UTC
Our yesterday’s update was unfortunately not published.
Todays picture is somewhat like the preceding days. Almost no earthquakes, subsidence (even strong) in some parts again (weak) lifting in other parts.
Some tremor is still present in some parts of the island (probably due to a very sensitive scale). When we see this kind of tremor, and if the weather is not the source, this is mostly followed by a weak or even stronger lifting. We are curious what the current situation will generate on tomorrow’s deformation.
The picture below is from the lighthouse seismograph. As the amplitude on every seismograph is different it is hard to say what exactly happens.
As long as the deformations (see links below) are not stabilized, we will continue to follow up the situation on a daily basis (in fact many times per day)

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2014-01-06 10:15 UTC
NO earthquakes, but almost all the GPS deformation data slightly up. Tremor continues to show at the same stations than yesterday but is decreasing strongly the last couple of hours.

twitter:

teideano twitterde op maandag 06-01-2014 om 16:20:37 El Hierro 2013 seismic activity. 4120 earthquakes located. #geology #science #nature Source: http://t.co/JDFqxgRY5n http://t.co/uqYeVtsBFy reageer retweet

twitter:

teideano twitterde op maandag 06-01-2014 om 16:28:45 339 were at least >M3, 31 >M4, 7 >M4,5 and 1 M>5. We can say it was an interesting year. #geology #volcano #nature http://t.co/EKmzyDMZXz reageer retweet

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2014-01-07 08:30 UTC
Vertical deformations are down all over the island again.
Seismographs are showing the same amplitude than yesterday evening although the waves have decreased already somewhat (6 to 4 meter average)
No new earthquakes.

twitter:

teideano twitterde op donderdag 09-01-2014 om 10:19:10 #weather #nature Amazing Hailstorm at Fasnia, Tenerife, 500m a.s.l. Canary Islands http://t.co/5EydXYtNez reageer retweet

twitter:

teideano twitterde op donderdag 09-01-2014 om 14:23:07 #alertacanarias #FMACanarias #meteo La borrasca, sobre Canarias ahora mismo, preciosa situación http://t.co/dI6xmZX1kD reageer retweet

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2014-01-12 09:38 UTC
Time to make a new update, just to say that the activity below the island has come to a standstill. Only 2 earthquakes since our latest report of earthquakes (1 of these 2 in the region of the M5.1 earthquake relatively far out in the Ocean).
The amplitude of the seismograms is back to very low levels. The increased amplitude the last couple of days was generated by a stormy sea. On some seismographs one could see clearly the tides !
Deformations show small ups and downs but are in average constant.

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2014-01-13 06:09 UTC
The activity on all the Canary Islands seismographs are due to the very strong earthquake out of the coast of Puerto Rico earlier today. It has NO link at all with the El Hierro activity. Thanks for reporting in the comments though.

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2014-01-18 20:02 UTC
We are noticing increasing tremor in the ctan and cjul seismographs this morning (Ctan and Ctab have both been stopped or hided from public viewing by IGN). We do not think that the current increase is due to bad weather or increasing waves although a slight increase in waves occurred earlier. NO additional earthquakes. We will keep an eye the following hours and days to find out eventual changes.

2014-01-18 08:55 UTC
THE news the last couple of hours at El Hierro was the report of AVCAN that a lot of pumice was collected the last 24 hours in the waters and at the beach of Arenas Blancas at the West Coast of the Island. The pumice will have to be analyzed by specialized laboratories to find a clue where it comes from. This will not be easy at all as the instruments are not showing any traces of eruptive activity at this moment besides a weak increase in tremor on a couple of seismographs (which can also have been caused by the waves).
We do not know whether the strong subsidence of some GPS stations are related to the newly found pumice.

twitter:

teideano twitterde op zaterdag 18-01-2014 om 11:26:43 Deformation at El Hierro again on the rise. The game is not over yet. #volcano #science #geology #nature http://t.co/VWJpEIuryV reageer retweet

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2014-02-05 10:47 UTC
This is the seismicity below the island since our last update. A limited number of daily earthquakes after all.

twitter:

teideano twitterde op maandag 10-02-2014 om 12:09:41 Terremoto de 3,5 grados en la isla de La Palma, Canarias, sentido por parte de la población. #ciencia #naturaleza http://t.co/PSEIjjxcbQ reageer retweet

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Translation: Earthquake of 3.5 degrees on the island of La Palma, Canary Islands, felt by the population

twitter:

teideano twitterde op maandag 17-02-2014 om 20:15:29 2,8 #quake north of Tenerife. 28,1 km deep #geology #volcano http://t.co/EJ5icmX9yQ reageer retweet

twitter:

teideano twitterde op dinsdag 25-02-2014 om 10:36:12 Last 7 days earthquakes at El Hierro island. Activity seems to be a little bit higher these days. #geology #nature http://t.co/m3amhDC7xN reageer retweet

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2014-02-24 10:00 UTC
After a period of calm, the volcano gods are turning themselves in their sleep. Readers Henk and Jens told us a little earlier that there was some new seismic activity at El Hierro. To be honest, everything is still weak (below M2), but the location of the earthquakes , the number and especially the seismograph makes it certainly relevant to follow it up very closely. Most earthquakes are below the middle of the Island.
The last listed earthquake is however from 05 AM this morning and the same seismicity like the below chart of CRST cannot be seen on other installed seismographs.

2014-02-24 18:16 UTC
No more seismicity after 05:00 AM this morning and only the CRST seismograph showing a lot of movement only during office or labor hours will probably mean false alert. As no other seismographs did show an serious increased tremor, we expect the picture to be the result of human interference.

twitter:

teideano twitterde op zondag 09-03-2014 om 10:24:19 #sismos de los últimos 30 dias en El Hierro. Last 30 days #quakes at El Hierro. #canary #canarias #geology #science http://t.co/HoKRuoZV8X reageer retweet

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1262604 14/03/2014 08:51:55 27.8222 -17.9806 17 1.7 mbLg W VALVERDE.IHI [+]
1262599 14/03/2014 08:16:24 27.7562 -17.9492 17 1.9 mbLg E FRONTERA.IHI [+]
1262598 14/03/2014 08:12:12 27.8088 -17.9721 18 1.9 mbLg W VALVERDE.IHI [+]
1262596 14/03/2014 07:57:56 27.8148 -17.9631 18 2.0 mbLg W VALVERDE.IHI [+]
1262602 14/03/2014 07:26:19 27.7845 -17.9687 17 2.0 mbLg NE FRONTERA.IHI [+]
1262600 14/03/2014 07:22:20 27.8017 -17.9725 16 2.2 mbLg NE FRONTERA.IHI [+]
1262594 14/03/2014 07:09:59 27.7799 -17.9714 19 2.1 mbLg NE FRONTERA.IHI [+]
1262582 14/03/2014 06:17:29 27.8086 -17.9899 18 2.1 mbLg N FRONTERA.IHI [+]
1262593 14/03/2014 06:04:23 27.7580 -17.9895 18 1.8 mbLg E FRONTERA.IHI [+]
1262590 14/03/2014 05:57:17 27.7985 -17.9939 19 2.2 mbLg N FRONTERA.IHI [+]
1262588 14/03/2014 05:56:14 27.8043 -17.9925 18 2.3 mbLg N FRONTERA.IHI [+]
1262586 14/03/2014 05:46:29 27.7870 -17.9949 18 1.8 mbLg N FRONTERA.IHI [+]
1262581 14/03/2014 05:43:41 27.7824 -18.0024 19 1.9 mbLg N FRONTERA.IHI [+]
1262579 14/03/2014 05:42:57 27.7771 -17.9979 17 2.1 mbLg N FRONTERA.IHI [+]
1262580 14/03/2014 05:42:38 27.7620 -17.9857 20 1.9 mbLg NE FRONTERA.IHI [+]
1262592 14/03/2014 05:32:44 27.7817 -17.9981 16 2.1 mbLg N FRONTERA.IHI [+]
1262591 14/03/2014 05:26:52 27.8028 -17.9917 18 2.3 mbLg N FRONTERA.IHI [+]
1262589 14/03/2014 05:21:31 27.7896 -17.9925 20 1.8 mbLg N FRONTERA.IHI [+]
1262587 14/03/2014 05:16:42 27.8049 -17.9983 17 2.1 mbLg N FRONTERA.IHI [+]
1262578 14/03/2014 05:15:46 27.7861 -17.9894 20 2.2 mbLg NE FRONTERA.IHI [+]
1262577 14/03/2014 04:58:29 27.8064 -18.0018 16 1.8 mbLg N FRONTERA.IHI [+]
1262576 14/03/2014 04:35:20 27.8142 -18.0167 17 1.7 mbLg NW FRONTERA.IHI [+]
1262574 14/03/2014 04:31:43 27.8115 -18.0152 19 1.8 mbLg NW FRONTERA.IHI [+]
1262575 14/03/2014 04:27:35 27.8076 -18.0032 18 1.6 mbLg N FRONTERA.IHI [+]
1262573 14/03/2014 04:24:48 27.7749 -18.0025 18 1.5 mbLg N FRONTERA.IHI [+]
1262572 14/03/2014 04:12:08 27.7864 -18.0232 19 1.7 mbLg NW FRONTERA.IHI [

twitter:

teideano twitterde op vrijdag 14-03-2014 om 10:14:22 El Hierro new seismic swarm. Epicenters in the last 9 hours. #quake #geology #volcano #science http://t.co/tJ5tw47HrM reageer retweet

twitter:

teideano twitterde op vrijdag 14-03-2014 om 10:17:05 Epicenter distribution from midnight at El Hierro. #volcano #geology #quake #science http://t.co/dHHDvpgYaC reageer retweet

quote:

1262705 14/03/2014 14:46:01 27.7771 -17.9757 19 1.8 mbLg NE FRONTERA.IHI [+]
1262682 14/03/2014 13:47:41 27.7995 -17.9640 19 1.7 mbLg W VALVERDE.IHI [+]
1262680 14/03/2014 13:34:24 27.7939 -17.9707 18 1.5 mbLg NE FRONTERA.IHI [+]
1262679 14/03/2014 13:26:31 27.7359 -17.9750 19 1.5 mbLg N EL PINAR.IHI [+]
1262669 14/03/2014 12:58:13 27.7612 -17.9527 21 1.7 mbLg E FRONTERA.IHI [+]
1262662 14/03/2014 12:11:43 27.8124 -17.9714 19 1.8 mbLg W VALVERDE.IHI [+]
1262660 14/03/2014 12:07:19 27.7763 -17.9799 19 1.7 mbLg NE FRONTERA.IHI [+]
1262655 14/03/2014 12:00:38 27.7525 -17.9741 20 1.5 mbLg E FRONTERA.IHI [+]
1262647 14/03/2014 11:43:50 27.7583 -17.9711 19 1.9 mbLg E FRONTERA.IHI [+]
1262648 14/03/2014 11:31:28 27.7623 -17.9647 19 1.6 mbLg E FRONTERA.IHI [+]
1262643 14/03/2014 11:18:52 27.8364 -17.9925 17 1.8 mbLg NW VALVERDE.IHI [+]
1262637 14/03/2014 11:10:36 27.7399 -17.9637 20 2.3 mbLg NE EL PINAR.IHI [+]
1262636 14/03/2014 11:03:36 27.7562 -17.9641 19 1.5 mbLg E FRONTERA.IHI [+]
1262634 14/03/2014 10:44:54 27.8048 -17.9808 17 1.5 mbLg NE FRONTERA.IHI [+]
1262633 14/03/2014 10:33:28 27.8082 -17.9770 21 1.8 mbLg NE FRONTERA.IHI [+]
1262632 14/03/2014 10:28:15 27.8196 -17.9709 19 1.8 mbLg W VALVERDE.IHI [+]
1262627 14/03/2014 10:25:04 27.8129 -17.9807 22 1.5 mbLg NE FRONTERA.IHI [+]
1262619 14/03/2014 10:04:25 27.7472 -17.9990 24 2.0 mbLg S FRONTERA.IHI [+]
1262615 14/03/2014 09:45:11 27.8462 -18.0090 19 1.8 mbLg N FRONTERA.IHI [+]
1262608 14/03/2014 09:37:08 27.8229 -17.9705 17 1.5 mbLg NW VALVERDE.IHI [+]

twitter:

teideano twitterde op zaterdag 15-03-2014 om 08:39:40 Ongoing seismic swarm at El Hierro. ~200 quakes since yesterday. #volcano #science #geology #quake http://t.co/FgPHVFgRIP reageer retweet

twitter:

canariesnews twitterde op zondag 16-03-2014 om 11:02:32 New article posted! Over 260 earthquakes in 48 hours on El Hierro Read more at http://t.co/o6zDRmNtLU http://t.co/N0ZLRtdTFb reageer retweet

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2014-03-16 14:00 UTC
A bunch of new earthquakes after this new Magma intrusion. No tremor on the seismographs though (earthquakes are still too deep and are mainly below the central-north of the Island (in between Frontera and Valverda). This is an entirely new activity area for the last many years. The frequency of earthquakes is further decreasing.

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1263340 17/03/2014 03:53:28 28.7298 -16.8891 30 2.1 mbLg ATLÁNTICO-CANARIAS [+]
1263295 16/03/2014 20:57:36 27.7961 -17.9508 17 2.0 mbLg W VALVERDE.IHI [+]
1263280 16/03/2014 17:18:38 27.7564 -17.9441 19 1.6 mbLg E FRONTERA.IHI [+]
1263278 16/03/2014 13:47:11 27.7975 -17.9574 18 1.7 mbLg W VALVERDE.IHI [+]
1263271 16/03/2014 12:14:14 27.8002 -17.9414 18 1.6 mbLg W VALVERDE.IHI [+]

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1264966 26/03/2014 04:15:36 27.7737 -18.1341 17 1.6 mbLg W FRONTERA.IHI [+]
1264838 25/03/2014 06:13:06 27.6976 -18.1524 21 2.0 mbLg SW FRONTERA.IHI [+]
1264562 24/03/2014 01:14:31 27.7850 -17.9515 18 2.0 mbLg SW VALVERDE.IHI [+]
1264554 23/03/2014 20:23:24 27.7623 -18.3089 12 2.1 mbLg W FRONTERA.IHI [+]
1264494 23/03/2014 04:46:08 27.7675 -17.9418 19 2.0 mbLg SW VALVERDE.IHI [+]
1264441 22/03/2014 23:16:31 27.7288 -17.9371 18 1.8 mbLg NE EL PINAR.IHI [+]
1263870 20/03/2014 02:16:22 27.7803 -17.9477 17 2.1 mbLg SW VALVERDE.IHI [+]
1263851 19/03/2014 13:56:35 27.7104 -17.9506 18 1.8 mbLg E EL PINAR.IHI [+]
1263698 18/03/2014 21:03:44 27.7457 -17.9698 21 1.7 mbLg SE FRONTERA.IHI [+]

twitter:

teideano twitterde op woensdag 26-03-2014 om 15:12:19 Last 30 days #quake info. El Hierro. Yes, El Hierro is down there.... #geology #volcano #nature #science #Earth http://t.co/JVFbfYR1QB reageer retweet

twitter:

teideano twitterde op woensdag 26-03-2014 om 15:03:57 Last 30 days #quake info. #tenerife #geology #nature #volcano http://t.co/uVh6hlTP72 reageer retweet

quote:

2014-03-31 22:38 UTC
Hard to believe that the once so active island has been almost asleep for almost 2 weeks. Below the seismicity during that period. No fear that we would stop our reporting on what happens on the island, we will continue until a new eruption happens

twitter:

teideano twitterde op woensdag 02-04-2014 om 16:02:23 Uplift seems to resume at El Hierro, but no seismicity yet, interesting. #geology #volcano #science http://t.co/rFuaTKG5k0 reageer retweet

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2014-04-05 15:41 UTC
The seismicity of the last couple of days. Nothing unusual has been noticed in the earthquake pattern.

twitter:

eruptionsblog twitterde op woensdag 09-04-2014 om 01:20:13 Curious how we can use helium to look at magma at places like Yellowstone? I explain what it means: http://t.co/pAWAWXlDFS reageer retweet

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The second annual Tournament: Earth has come to an end, and the winner is a familiar face. In 2013, a submarine volcano off of the Canary Islands took the first championship. This year, the entire island chain got in on the action. Trailing the Canaries, the #2 seed in the art bracket, romped through the tournament in 2014. The image showed interesting wind and wave patterns in sunglint on the lee side of the islands. The Canary Islands have a lot of fans!
Your 2014 Tournament: Earth Winner - Trailing the Canaries

The play of light on water can reveal overlooked details and nuances to photographers and artists on Earth. The same thing can happen when looking from space.

quote:

1269451 14/04/2014 04:40:30 27.7817 -17.9544 20 1.5 mbLg SW VALVERDE.IHI [+]
1269324 13/04/2014 17:47:34 27.7037 -18.0341 11 1.7 mbLg W EL PINAR.IHI [+]
1269322 13/04/2014 16:24:21 27.7042 -18.0287 11 2.1 mbLg W EL PINAR.IHI [+]
1269206 13/04/2014 13:40:13 27.6482 -18.0256 12 1.8 mbLg SW EL PINAR.IHI [+]
1268976 13/04/2014 03:38:36 27.7396 -17.9399 22 1.8 mbLg NE EL PINAR.IHI [+]

quote:

Op maandag 14 april 2014 17:14 schreef Peter het volgende:
Ter plaatse voel je er helemaal niets van overigens...

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1269742 15/04/2014 10:59:22 27.7368 -18.0300 12 1.6 mbLg SW FRONTERA.IHI [+]
1269737 15/04/2014 10:48:44 27.7152 -18.0313 13 1.8 mbLg W EL PINAR.IHI [+]

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1270071 17/04/2014 07:12:14 27.7518 -18.2876 13 1.9 mbLg W FRONTERA.IHI [+]
1270037 17/04/2014 05:09:14 27.7174 -18.0496 12 1.8 mbLg SW FRONTERA.IHI [+]
1270024 17/04/2014 02:28:42 27.7412 -18.2918 18 Sentido 3.3 mbLg W FRONTERA.IHI [+]
1269939 16/04/2014 17:23:46 27.7406 -18.0169 12 1.7 mbLg SW FRONTERA.IHI [+]
1269938 16/04/2014 16:26:15 27.7248 -17.9134 20 1.6 mbLg E EL PINAR.IHI [+]
1269845 16/04/2014 08:51:10 27.7140 -18.0390 11 1.5 mbLg W EL PINAR.IHI [+]

twitter:

teideano twitterde op woensdag 18-06-2014 om 08:45:52 Small seismic swarm at Tenerife island. #geology #volcano #quake @GeoTenerife http://t.co/COpVWZSftP reageer retweet

quote:

1280369 18/06/2014 02:39:16 28.1706 -16.5794 2 1.5 mbLg N GRANADILLA DE ABONA.ITF [+]
1280364 18/06/2014 02:38:21 28.1772 -16.5877 2 1.6 mbLg NE VILAFLOR.ITF [+]
1280361 18/06/2014 02:37:28 28.2183 -16.7216 1.5 mbLg E GUÍA DE ISORA.ITF [+]
1280367 18/06/2014 02:30:20 28.1508 -16.6339 3 1.6 mbLg S VILAFLOR.ITF [+]
1280356 17/06/2014 20:47:13 27.7437 -18.1194 27 1.5 mbLg W FRONTERA.IHI [+]
1280239 17/06/2014 10:26:50 28.2488 -16.2583 31 2.0 mbLg ATLÁNTICO-CANARIAS [+]
1280034 15/06/2014 18:19:56 28.2859 -16.5474 3 1.9 mbLg NW FASNIA.ITF [+]
1279906 14/06/2014 04:25:11 27.7887 -18.2320 16 1.6 mbLg W FRONTERA.IHI [+]
1279289 11/06/2014 03:31:15 27.7166 -18.0477 11 1.7 mbLg SW FRONTERA.IHI [+]

twitter:

teideano twitterde op woensdag 18-06-2014 om 15:35:43 Last 30 days seismic activity at Tenerife island. #nature #volcano #geology #quake @GeoTenerife http://t.co/GtNZOpn6Ki reageer retweet

quote:

Op dinsdag 1 juli 2014 18:42 schreef quirina het volgende:
Ik zit nog steeds te wachten of die vulkaan op Tenerife wat gaat doen.

twitter:

teideano twitterde op vrijdag 04-07-2014 om 08:35:47 a wall of clouds descends towards the road between Cumbre Nueva and Cumbre Vieja volcanoes in La Palma. #nature http://t.co/Q1OUAgbrMJ reageer retweet

quote:

2014-07-028 11:09 UTC
Nothing spectacular the last couple of weeks. If a sudden revival would happen we will jump in with a new information stream of course.

twitter:

sacanarias twitterde op donderdag 21-08-2014 om 09:25:16 @teideano Ojito con el tiempo para la semana q viene xq podría aparecer un miniciclón tropical al sur de Canarias http://t.co/5nJt5JTlGv reageer retweet

twitter:

astro_reid twitterde op vrijdag 22-08-2014 om 13:57:36 Do these little African #volcanoes seed North American hurricanes? http://t.co/CMYIz4fee7 reageer retweet

quote:

Op donderdag 21 augustus 2014 20:09 schreef quirina het volgende:
Calima?

quote:

Op woensdag 27 augustus 2014 09:25 schreef Frutsel het volgende:
iedereen zit in IJsland

quote:

2014-09-03 23:01 UTC
This evening people on the island felt an earthquake since long time. A M3.8 off the coast at the western side of the island was responsible for this. NO specific tremor on the graphs. Depth 16 km is still very deep.

quote:

1296806 22/09/2014 11:37:49 27.8256 -17.7880 16 1.8 mbLg E VALVERDE.IHI [+]
1296766 22/09/2014 10:23:37 27.7347 -18.0214 11 2.0 mbLg SW FRONTERA.IHI [+]
1296537 21/09/2014 01:33:29 27.8148 -18.0285 36 2.0 mbLg NW FRONTERA.IHI [+]
1296528 21/09/2014 00:58:49 27.8006 -18.0513 36 2.1 mbLg NW FRONTERA.IHI [+]
1296398 19/09/2014 13:14:34 27.7457 -18.2974 15 2.2 mbLg W FRONTERA.IHI [+]
1296194 18/09/2014 09:26:48 27.7132 -18.0534 12 1.6 mbLg SW FRONTERA.IHI [+]
1295402 14/09/2014 19:24:53 27.6871 -18.0911 9 1.6 mbLg W EL PINAR.IHI [+]

quote:

1299169 06/10/2014 01:33:05 27.7024 -18.0283 11 2.2 mbLg W EL PINAR.IHI [+]
1299157 06/10/2014 00:35:36 27.7168 -18.0162 9 1.6 mbLg W EL PINAR.IHI [+]
1299155 06/10/2014 00:20:52 27.7288 -18.0166 11 1.5 mbLg SW FRONTERA.IHI [+]
1299152 05/10/2014 23:46:36 27.7310 -18.0210 12 1.7 mbLg SW FRONTERA.IHI [+]
1299151 05/10/2014 23:40:54 27.7283 -18.0170 11 2.0 mbLg SW FRONTERA.IHI [+]
1299141 05/10/2014 19:41:42 27.7157 -18.0338 11 1.5 mbLg W EL PINAR.IHI [+]
1299023 04/10/2014 06:39:42 27.7080 -18.0575 22 2.5 mbLg W EL PINAR.IHI [+]
1298730 03/10/2014 02:11:50 27.7055 -18.0811 14 1.5 mbLg SW FRONTERA.IHI [+]
1298727 03/10/2014 01:41:28 27.7054 -18.0294 13 1.6 mbLg W EL PINAR.IHI [+]

twitter:

teideano twitterde op dinsdag 14-10-2014 om 14:00:02 3 years ago we were working at the El hierro #volcano eruption @GeoTenerife #science #ocean #nature http://t.co/vmzjTEUDFi reageer retweet

twitter:

geotinerfe twitterde op woensdag 15-10-2014 om 21:52:42 Today, III Anniversary of submarine eruption of El Hierro, prov/ Tenerife. @GeoTenerife Pic: uclm.es http://t.co/RBPZH9iYes reageer retweet

twitter:

teideano twitterde op zondag 19-10-2014 om 11:25:07 Powerful low close to the Canary islands leaves thousands of lightning. #weather #meteo #canarias #alertalluvias http://t.co/Gj1sLOlyDl reageer retweet

twitter:

teideano twitterde op zondag 19-10-2014 om 11:05:38 Noche "toledana" en Canarias, con miles de rayos en apenas unas horas. #Alertalluvias #meteo #eltiempo.Y lo que falta http://t.co/2zvlq7khxA reageer retweet

twitter:

sacanarias twitterde op zaterdag 25-10-2014 om 09:40:12 @moisesgrillo @teideano @MayerTrujillo Terremoto de 4.2Mb al oeste de Canarias esta madrugada http://t.co/S6UWXWWZVF http://t.co/PFAohaIfTM reageer retweet

quote:

1304593 02/11/2014 18:32:03 27.7115 -18.0204 15 2.0 mbLg W EL PINAR.IHI [+]
1304565 02/11/2014 16:57:46 27.6941 -18.0624 7 1.7 mbLg W EL PINAR.IHI [+]
1303624 30/10/2014 19:57:49 27.7452 -18.1061 11 1.7 mbLg W FRONTERA.IHI [+]
1303107 29/10/2014 11:29:43 27.7175 -18.0009 11 2.3 mbLg NW EL PINAR.IHI [+]
1302504 27/10/2014 10:33:17 27.7305 -18.0213 12 1.6 mbLg SW FRONTERA.IHI [+]
1302283 25/10/2014 03:38:48 27.7889 -18.0944 9 1.5 mbLg NW FRONTERA.IHI [+]

quote:

1305425 10/11/2014 04:39:27 27.7126 -18.0446 13 1.5 mbLg W EL PINAR.IHI [+]
1305411 09/11/2014 21:10:24 27.6924 -18.0241 12 1.9 mbLg SW EL PINAR.IHI [+]
1305303 08/11/2014 06:04:28 27.6885 -18.3527 1.5 mbLg W FRONTERA.IHI [+]
1305139 07/11/2014 05:38:27 27.7004 -18.0249 12 1.6 mbLg W EL PINAR.IHI [+]
1304593 02/11/2014 18:32:03 27.7115 -18.0204 15 2.0 mbLg W EL PINAR.IHI [+]
1304565 02/11/2014 16:57:46 27.6941 -18.0624 7 1.7 mbLg W EL PINAR.IHI [+]

quote:

1306506 15/11/2014 15:47:20 27.7506 -18.0033 14 1.7 mbLg SW FRONTERA.IHI [+]
1306497 15/11/2014 09:40:55 27.7786 -18.3097 17 2.0 mbLg W FRONTERA.IHI [+]
1306310 14/11/2014 02:53:50 27.7088 -18.0219 13 1.7 mbLg W EL PINAR.IHI [+]
1306307 14/11/2014 02:37:45 27.7114 -18.0119 11 2.3 mbLg W EL PINAR.IHI [+]

quote:

1310064 14/12/2014 06:44:37 28.1929 -15.0062 30 2.1 mbLg ATLÁNTICO-CANARIAS [+]
1310035 13/12/2014 18:53:20 27.7445 -18.0236 14 1.6 mbLg SW FRONTERA.IHI [+]
1310008 13/12/2014 07:33:20 28.2596 -16.5498 13 1.7 mbLg W FASNIA.ITF [+]
1309879 12/12/2014 01:05:06 28.1769 -16.1788 25 1.8 mbLg ATLÁNTICO-CANARIAS [+]
1309749 10/12/2014 23:44:17 28.1494 -16.2050 24 2.0 mbLg ATLÁNTICO-CANARIAS [+]
1309059 05/12/2014 11:25:55 27.7245 -18.0389 13 1.7 mbLg SW FRONTERA.IHI [+]

twitter:

GeoTenerife twitterde op zondag 08-02-2015 om 23:29:00 Our friends @involcan collaborate in study of volume magma emitted during submarine eruption http://t.co/Ph1snpSvtK http://t.co/BTAFYsQAyJ reageer retweet

twitter:

teideano twitterde op vrijdag 20-02-2015 om 10:05:48 @geotenerife @geotinerfe #Teide #volcano this morning. Fumaroles are clearly visible. via @involcan http://t.co/adiaQHdfsl reageer retweet

twitter:

sacanarias twitterde op zondag 29-03-2015 om 09:01:26 @teideano Temblor de 3.1 MBlg sentido esta madrugada al sudoeste de la isla de El Hierro bajo mar de Las Calmas http://t.co/vmHPoSvCYA reageer retweet

twitter:

canariesnews twitterde op dinsdag 14-04-2015 om 11:07:27 New post El Hierro shakes again, view it in full here http://t.co/1di7yJ2p05 http://t.co/Khg3x9qmzG reageer retweet

twitter:

involcan twitterde op dinsdag 28-04-2015 om 10:53:25 Enjambre sísmico de la isla de #tenerife en la zona del Valle de Güimar. Seismic swarm at the Güimar Valley http://t.co/IYnQ8pbAdw reageer retweet

quote:

bericht van tyron

quote:

Op dinsdag 28 april 2015 13:29 schreef Pietverdriet het volgende:
wat is eigenlijk de oorzaak van de bevingen op de Canarische eilanden? De vulkanische activiteit?

quote:

Op dinsdag 28 april 2015 20:38 schreef quirina het volgende:

[..]

Wanneer kwam er dan rook uit de Teide? Is alweer een tijd geleden of niet?

quote:

Op dinsdag 28 april 2015 22:09 schreef Frutsel het volgende:
heeft tenerife vaker van die swarms?

twitter:

GeoTenerife twitterde op dinsdag 02-06-2015 om 19:32:34 Older string of Canary Islands below sea date back 100m years, say IGME via @cienciacanaria. http://t.co/8pYR6eDOov http://t.co/kcLdJeOSi5 reageer retweet

twitter:

sacanarias twitterde op woensdag 03-06-2015 om 07:18:30 @involcan De nuevo un pequeño temblor muy somero bajo el Teide en la isla de Tenerife en esta madrugada. http://t.co/JoDGb2dvq0 reageer retweet

twitter:

HRobinson1502 twitterde op zondag 14-06-2015 om 18:11:37 #BubblingSpring #DissolvedGasses Caldera de Taburienta @GeoTenerife @GESUofG @UofGSciEngGrads http://t.co/Yz8TiYQAwO reageer retweet

twitter:

involcan twitterde op maandag 03-10-2016 om 02:04:10 Son ya 98 los sismos localizados en el enjambre sísmico del día de hoy en Tenerife https://t.co/n0kGVPkODR reageer retweet

quote:

Report on the seismic swarm October 2
After the passage of the night and the absence of earthquakes, it can terminate the episode seismic swarm registered yesterday on the island of Tenerife. Seismic swarm that responds to the common activity of an active volcano, but in the case of the island of Tenerife are rare, which requires monitoring.



Recall that a seismic swarm is the occurrence of a set of seismic events in a specific area over a relatively short period of time without there being associated with a major earthquake.



The rest of analysis of data from the INVOLCAN, at this time the report is as follows:



GPS stations : No deformation is attributable to this episode of anomalous seismicity. This lack of deformation may be because there is an injection of magma underground, which would make this episode of seismicity could be related to the hydrothermal system of the volcano, and not with a magmatic intrusion. We continue analyzing and observing the signals received during the day.



Gases : INVOLCAN Two teams are already in the area for a campaign swarm estimation (not visible) diffuse emission of carbon dioxide. In this regard it should be noted that the INVOLCAN 2015 registered a relative increase in CO2 emissions compared to previous years in the Northwest Ridge, without these values become extremely high.



Although this episode may be classified as abnormal, should not be cause for social alarm, because in any case there is a sequence of "action-reaction". A large number of seismic swarms appear and disappear without bringing other activity, but they are a clear example of the dynamics of an active system like Tenerife.

We will continue producing reports during the day.

twitter:

involcan twitterde op maandag 03-10-2016 om 17:21:18 Así ha evolucionado la sismicidad registrada en Tenerife y alrededores desde enero de 2012. https://t.co/xMp8uDG7Oo reageer retweet

quote:

bron
IGN has located far 96 events between 14:30 pm and 19:00 pm (local time) yesterday, October 2, whose epicentral interim solutions are placed in an area between the towns of Guia de Isora , Vilaflor and Adeje. The maximum recorded magnitude of the swarm is 1 mbLg. No anomalous values recorded on the island of Tenerife in the deformation monitoring stations and geochemistry. At the moment it is reviewing and verifying the activity localized nature.

To track the activity in Tenerife is available page

quote:

Analysis Report seismic signals swarm of October 2
REPORT ON SEISMIC SWARM OF OCTOBER 02

Below are the most significant findings of the report prepared by Dr. Luca D'Auria, Head of the Functional Unit of Volcanology Volcanic Seismology Institute of the Canary Islands (INVOLCAN) on the seismic swarm Sunday October 2, 2016 are broken down into registered the island of Tenerife by the National seismic Network after thorough analysis of seismic signals.

• The spectral characteristics, distributions between events and magnitude that clearly reflect events swarm of 2 October 2016 can be reasonably classified as seismic-volcanic events long period.

• The estimated number of seismic events reported in the national seismic catalog could be underestimated. An estimate based on the spectrograms reflects the number of seismic events could have been higher than 400 events.

• After 17:58 hours individual seismic events merge into a continuous stream of seismic events lasting at least until 19:35 hours.

• The hipocentral distribution (distribution of outbreaks or depths of seismic events) is likely to be a "device" due to the geometry of the sparse seismic network of the IGN and the small amplitude of events to evaluate these processes. Seismic events are more likely clustered in a small volume.

• The depths of seismic events should be reviewed, since it could be significantly more superficial than those reported by IGN.

• The spectra shows similarities with the spectra of long-period events and tremor observed in Tenerife during the crisis sismovolcánico 2004. They also share characteristics observed in other active volcanoes in the world.

Again, we must insist on the absence of a sequence of "action-reaction" to this phenomenon as well as the need to avoid falling into unfounded alarms. The appearance of these phenomena can be as abrupt as its disappearance, without thereby an activity otherwise occur. The INVOLCAN continue to conduct relevant research for further communication depending on the signals that go recording.

This entry was posted in News on October 4, 2016.