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Posts treating: "earthquakes"

Sunday, 10 December 2017

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Strong earthquake swarm ongoing in Skjaldbreið shield volcano 

Iceland Volcano and Earthquake blog [2017-12-10 16:10:28]  recommend  recommend this post  (18 visits) info
Yesterday (10-12-2017) a earthquake swarm started in Skjaldbreið shield volcano (in Global Volcanism program this area is under Presthnjúkar area). Currently the earthquake swarm is ongoing. This activity started on Friday with few earthquakes and started in full force when … Continue reading →

Small earthquake swarm in western Tjörnes Fracture Zone (TFZ) 

Iceland Volcano and Earthquake blog [2017-12-06 19:34:32]  recommend  recommend this post  (5 visits) info
During the night of 6-December-2017 there was a small earthquake swarm on western part of Tjörnes Fracture Zone (TFZ). Few earthquakes happened and the largest one had a magnitude of 3,1 and was felt in Siglufjörður village and Ólafsvík village. … Continue reading →

Continued earthquake activity in Öræfajökull volcano 

Iceland Volcano and Earthquake blog [2017-12-04 16:52:41]  recommend  recommend this post  info
Earthquake activity continues in Öræfajökull volcano. There is a small drop in earthquake activity every few hours just before it increases again. This seems to be normal for earthquake like Öræfajökull volcano. The magma in Öræfajökull volcano is expected to … Continue reading →

Slow increase in earthquake activity in Öræfajökull volcano 

Iceland Volcano and Earthquake blog [2017-12-01 21:58:39]  recommend  recommend this post  info
There seems to be a slow increase in earthquake activity in Öræfajökull volcano. For the last 48 hours the number seems to be rising. This is how it looks on this graph from Icelandic Met Office. Earthquake activity in Öræfajökull … Continue reading →

Earthquake swarm in TFZ close to Kópasker village 

Iceland Volcano and Earthquake blog [2017-11-09 00:22:37]  recommend  recommend this post  (76 visits) info
Today (08-November-2017) a small earthquake swarm happened west of Kópasker village. Largest earthquake in this swarm had magnitude of 3,0 and the second largest magnitude was 2,2 (foreshock). The earthquake activity in TFZ. The green star shows the location of … Continue reading →

Earthquake swarm in Öræfajökull volcano 

Iceland Volcano and Earthquake blog [2017-10-29 23:47:25]  recommend  recommend this post  info
For the last few hours there has been a earthquake swarm in Öræfajökull volcano. I’m not clear on how many earthquakes have so far happened in Öræfajökull volcano at the moment. Most of them have been smaller than 1,5 in … Continue reading →

Strong earthquake swarm in south Iceland yesterday (20-October-2017) – minor damage reported 

Iceland Volcano and Earthquake blog [2017-10-21 19:06:12]  recommend  recommend this post  info
Yesterday (20-October-2017) a strong earthquake swarm happened in south Iceland on the SISZ fault zone. This earthquake swarm is currently ongoing and stronger earthquakes cannot be ruled out at this point. The earthquake swarm as of the writing of this … Continue reading →

Strong earthquake swarm in Tjörnes Fracture Zone this morning (19-October-2017) 

Iceland Volcano and Earthquake blog [2017-10-19 01:15:12]  recommend  recommend this post  (78 visits) info
Today (18-October-2017) at 06:00 UTC (Icelandic time) people of Grímsey Island got a rude awaking when a magnitude 3,8 to 3,9 earthquake took place. At 05:01 UTC a magnitude 2,9 earthquake had taken place. For the past 48 hours total … Continue reading →

Earthquake apps and post-quake observations 

Oakland Geology [2017-10-16 17:02:24]  recommend  recommend this post  (69 visits) info
Seems like disaster is in the air every October. This year the catastrophe is wildfire in the North Bay, bringing up memories of our own turn in the line of fire this very week in 1991. Yesterday the local paper published an article by Seung Lee that explicitly linked the October fires of 2017 to […]

Minor earthquake swarm on Kolbeinsey Island 

Iceland Volcano and Earthquake blog [2017-10-09 02:05:14]  recommend  recommend this post  info
Today (Sunday 08-October-2017) a minor earthquake swarm took place in Kolbeinsey Island. Only three earthquakes where detected, but that does not rule out that more earthquakes happened but where not detected due to distance from land and the SIL network. … Continue reading →

Sulphur smell felt from Múlakvísl glacier river 

Iceland Volcano and Earthquake blog [2017-10-08 18:20:10]  recommend  recommend this post  (1 visit) info
On the 3-October-2017 there was an increase in earthquake activity in Katla volcano as I wrote about here. This activity was deeper than suspected as during the night there was an small harmonic spike as was mentioned in this comment … Continue reading →

Ongoing earthquake swarm in Tjörnes fracture zone (TFZ) 

Iceland Volcano and Earthquake blog [2017-10-07 01:36:18]  recommend  recommend this post  info
Currently there is an ongoing earthquake swarm in Tjörnes Fracture Zone. This earthquake swarm has been going on since 05-October-2017. Over 120 earthquakes have happened so far. Largest earthquakes have had the magnitude of 3,9 (05-October), 3,5 (06-October), 3,0 (06-October). … Continue reading →

Magnitude 3,4 earthquake in Öræfajökull volcano 

Iceland Volcano and Earthquake blog [2017-10-03 20:06:07]  recommend  recommend this post  (18 visits) info
Today (03-October-2017) a magnitude 3,4 earthquake took place in Öræfajökull volcano. So far this earthquake has not resulted in any more earthquake activity. The earthquake activity in Öræfajökull volcano. Copyright of this image belongs to Icelandic Met Office. This is … Continue reading →

Increase in earthquake activity in Katla volcano 

Iceland Volcano and Earthquake blog [2017-10-03 03:13:20]  recommend  recommend this post  (9 visits) info
On the 01-October-2017 there was an increase in earthquake activity in Katla volcano. This increase continues but bad weather is making it difficult to monitor this activity. The largest earthquakes so far had the magnitude of 2,6 (two) all other … Continue reading →

Earthquake swarm in Tjörnes Fracture Zone (east of Grímsey Island) 

Iceland Volcano and Earthquake blog [2017-10-03 01:33:39]  recommend  recommend this post  (12 visits) info
Yesterday (01-October-2017) an earthquake swarm took place in Tjörnes Fracture Zone east of Grímesy Island. Largest earthquake in this swarm had the magnitude of 2,6 all other earthquakes where smaller in magnitude. The earthquake swarm in Tjörnes Fracture Zone yesterday. … Continue reading →

Continued earthquake activity in Öræfajökull volcano 

Iceland Volcano and Earthquake blog [2017-09-30 01:41:25]  recommend  recommend this post  info
On 28 and 29th of September 2017 an earthquake activity took place in Öræfajökull volcano. Most of the earthquake that have happened are minor in magnitude, one magnitude 2,5 earthquake took place and on 29th September a magnitude 2,0 earthquake … Continue reading →

Earthquake swarm west of Langjökull glacier 

Iceland Volcano and Earthquake blog [2017-09-29 02:30:36]  recommend  recommend this post  (1 visit) info
Yesterday (28-September-2017) a earthquake swarm has been taking place west of Langjökull glacier, it is close to a volcano named Presthnjúkar. It is the same system and inside its fissure swarm. The area in question has known faults from the … Continue reading →

Sharp increase in earthquake activity in Öræafjökull volcano 

Iceland Volcano and Earthquake blog [2017-09-14 19:36:14]  recommend  recommend this post  (62 visits) info
There has been increasing earthquake activity in Öræfajökull volcano in recent months. This increase is slow but it seems to be happening at faster phase to my surprise. For the first time the earthquake activity forms a direction along a … Continue reading →

Magnitude 5,9 earthquake deep on the on the Reykjanes ridge on 10-September-2017 

Iceland Volcano and Earthquake blog [2017-09-11 19:39:13]  recommend  recommend this post  (105 visits) info
Yesterday (10-September-2017) at 21:40 UTC a magnitude (Mw) 5,9 earthquake (EMSC information here) took place deep south on the Reykjanes ridge. No aftershocks have appeared on USGS or EMSC that I am aware of. They must have happened but due … Continue reading →

M 8.0 - west central Mexico coast offshore Chiapas 

Active Tectonics Blog [2017-09-08 07:29:00]  recommend  recommend this post  (30 visits) info
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A great earthquake has occurred off of the west coast of Mexico offshore of Chiapas. It is tsunamigenic. It looked to be along the subduction interface, but the focal mechanism and depth suggest normal faulting in the slab below. See seismicity map for more commentary about normal faults and this cross section.I am accumulating some links here. Check back for more. From USGS Recording at ASU IRIS Teachable Moment materials for this earthquake Links: USGS main page on the event USGS finite [...]
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