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Posts treating: "earthquakes"

Thursday, 23 March 2017

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Slight increase in earthquake activity in Grímsvötn (Grímsfjall) volcano 

Iceland Volcano and Earthquake blog [2017-03-23 22:43:28]  recommend  recommend this post  (6 visits) info
Over the past few months there has been a slight increase in earthquake activity in Grímsvötn (Grímsfjall) volcano. This increase in activity strongly suggests that Grímsvötn are now in later stages of getting ready for an eruption. Earthquake activity in … Continue reading →

Earthquake swarm close to Herðubreið 

Iceland Volcano and Earthquake blog [2017-03-18 20:42:05]  recommend  recommend this post  (15 visits) info
All of last week there has been a minor earthquake swarm close to Herðubreið volcano crater. Yesterday (17-March-2017) the earthquake swarm increased from several earthquakes an hour and up to around several dozen earthquakes an hour. Largest earthquake so far … Continue reading →

Earthquake swarm in Tungnafellsjökull volcano 

Iceland Volcano and Earthquake blog [2017-03-18 19:35:46]  recommend  recommend this post  (14 visits) info
A small earthquake swarm took place in Tungnafellsjökull volcano during the night of 18-March-2017. All earthquakes that happened where minor in magnitude with many earthquakes having depth from 3 to 13 km. The earthquake activity in Tungnafellsjökull volcano (yellow dots, … Continue reading →

Geology Through Literature - Candide 

The Geology P.A.G.E. [2017-03-15 18:48:00]  recommend  recommend this post  (9 visits) info
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The next up on my Geology Through Literature thread is Candide by Voltaire published in 1759. You can get my complete thoughts on the book/story over at my website - Dinojim.com, but for here I will just go into the geological or basic scientific aspects that are brought up in the story. I had heard about the geological content of Candide many years ago after I had read the story. So, I had it on my list to eventually go back and find the information in order to present it here. [...]

Strong earthquake swarm on Reykjanes Ridge yesterday (02.03.2017) 

Iceland Volcano and Earthquake blog [2017-03-03 23:37:47]  recommend  recommend this post  info
Yesterday (02.March.2017) there was an strong earthquake swarm on Reykjanes Ridge. This earthquake swarm took place around 540 km away from the coast of Iceland. The largest earthquake had the magnitude of 4,9 (EMSC information here), the second largest earthquake … Continue reading →

Three minor earthquakes in Hekla volcano 

Iceland Volcano and Earthquake blog [2017-03-03 01:42:31]  recommend  recommend this post  (37 visits) info
Before I start I want to make that clear that nothing of interest besides this earthquake activity is happening in Hekla volcano. Yesterday (02.03.2017) three earthquakes took place in Hekla volcano. Largest earthquake had the magnitude of 0,9 and other … Continue reading →

Ongoing earthquake activity in Katla volcano 

Iceland Volcano and Earthquake blog [2017-02-23 19:40:45]  recommend  recommend this post  info
For the past few days there has been a earthquake activity in Katla volcano. This is in two forms, as earthquake swarm that are taking place and earthquakes that spread around the caldera and the volcano. The earthquake activity in … Continue reading →

Earthquake swarm not far from Skjaldbreið (Presthnjúkur area) 

Iceland Volcano and Earthquake blog [2017-02-23 18:05:45]  recommend  recommend this post  info
Yesterday (22.02.2017) there was an earthquake swarm in the Presthnjúkur area, in a area not far from Skjaldbreið volcano. Earthquake activity yesterday close to Skjaldbreið. Copyright of this image belongs to Icelandic Met Office. This was a minor earthquake swarm, … Continue reading →

Earthquake activity increasing in Katla volcano again 

Iceland Volcano and Earthquake blog [2017-02-16 22:46:44]  recommend  recommend this post  (33 visits) info
For the last 24 hours (15 and 16.02.2017) earthquake activity has been increasing in Katla volcano. If it follows earlier pattern, a swarm of earthquakes with magnitude 3,0 or stronger might happen in Katla volcano in next few days or … Continue reading →

Earthquake swarm on the Reykjanes Ridge 

Iceland Volcano and Earthquake blog [2017-02-13 17:01:42]  recommend  recommend this post  (41 visits) info
Yesterday (12.02.2017) and today (13.02.2017) there has been a earthquake swarm on the Reykjanes ridge. For this area of the Reykjanes ridge, this earthquake swarm is normal. It doesn’t appear that it was due to magma movement and only tectonic … Continue reading →

Deep earthquake activity in Öræfajökull volcano 

Iceland Volcano and Earthquake blog [2017-02-08 12:27:46]  recommend  recommend this post  (1 visit) info
I haven’t written many articles about Öræfajökull volcano, since most of the time nothing happens in it. Öræfajökull volcano is located outside the main activity area in Iceland, like Esjufjöll and Snæfell (east Iceland). This three volcanoes form a volcano … Continue reading →

Strong earthquake activity on Kolbeinsey Ridge 

Iceland Volcano and Earthquake blog [2017-01-28 22:09:54]  recommend  recommend this post  info
Yesterday (27.01.2017) and today (28.01.2017) has seen some strong earthquake activity on Kolbeinsey Ridge. Largest earthquake in this swarm had the magnitude of Mb4,6 according to EMSC (information here). This area, or area close to it possibly had a dike … Continue reading →

317 years since the last rupture of the Cascadia megathrust 

Highly Allochthonous [2017-01-27 05:38:52]  recommend  recommend this post  (24 visits) info
At around 9pm on the 26th January 1700, the Cascadia subduction zone - a shallowly dipping thrust fault that runs more than 1000 km north from Cape Mendocino in Northern California to the vicinity of Vancouver Island, ruptured in an estimated magnitude 9 earthquake. Continue reading →

Katla volcano has magnitude 4,3 earthquake 

Iceland Volcano and Earthquake blog [2017-01-26 18:24:23]  recommend  recommend this post  info
Today (26.01.2017) at 15:14 UTC a magnitude 4,3 earthquake took place in Katla volcano. This earthquake was felt in Vík í Mýrdal (village) and nearby area. A second earthquake with the magnitude of 3,0 took place few moments after the … Continue reading →

Earthquake swarm under Grímsey island (Tjörnes Fracture Zone) 

Iceland Volcano and Earthquake blog [2017-01-26 02:43:13]  recommend  recommend this post  info
Yesterday (25.01.2016) there was an earthquake activity directly under Grímsey island (Wikipedia information). Earthquake swarms directly under Grímsey islands are uncommon, but they do happen from time to time. Current earthquake swarm is getting close to a mid-range scale (as … Continue reading →

Sharp increase in earthquake activity in Katla volcano 

Iceland Volcano and Earthquake blog [2017-01-24 01:06:55]  recommend  recommend this post  (1 visit) info
In the last 24 hours there has been a sharp increase of earthquakes in Katla volcano. This started yesterday with few minor earthquakes swarms with long quiet period between activity happening. This is what happens when magma is trying to … Continue reading →

Earthquake swarms in Katla volcano 

Iceland Volcano and Earthquake blog [2017-01-23 01:53:47]  recommend  recommend this post  info
Since Saturday 21 of January 2017 there has been unusual earthquake activity taking place in Katla volcano (for this time of the year). Small earthquake swarms have been scattered all over the caldera, largest earthquakes so far have only reached … Continue reading →

Two minor earthquake swarms on TFZ 

Iceland Volcano and Earthquake blog [2017-01-22 20:26:08]  recommend  recommend this post  info
Over the past two days minor earthquake swarms have been taking place on the TFZ. Largest earthquake in this swarm had the magnitude of 3,0. The earthquake activity in TFZ. Copyright of this image belongs to Icelandic Met Office. There … Continue reading →

Minor earthquake swarm south of Langjökull glacier 

Iceland Volcano and Earthquake blog [2017-01-22 19:59:36]  recommend  recommend this post  (1 visit) info
On Friday 20-Januar-2017 and on 21-January-2017 small earthquake swarm took place south of Langjökull glacier (in the area of Presthjúkar). Largest earthquake in this swarm had the magnitude of 2,8. The earthquake activity south of Langjökull glacier. Copyright of this … Continue reading →

Minor earthquake activity on TFZ (Tjörnes Fracture Zone) 

Iceland Volcano and Earthquake blog [2017-01-17 17:40:58]  recommend  recommend this post  (62 visits) info
It is quiet in Iceland at the moment. Nothing much to report, so I’m reporting this minor earthquake activity in TFZ. Few earthquakes have happened in TFZ for the last 48 hours, most earthquakes have been small and the largest … Continue reading →
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