Category Archives: SISZ

Ongoing earthquake swarm in Breinnisteinsfjöll volcano / SISZ

Since yesterday (02.09.2012) there has been ongoing earthquake swarm in Breinnisteinsfjöll volcano / SISZ (south iceland seismic zone). It is impossible to know how this earthquake swarm is going to proceed. But from what I can tell. It does not … Continue reading

Posted in Breinnisteinsfjöll, Earthquakes, Reykjanes, SISZ, Swarm, Volcano | Comments Off on Ongoing earthquake swarm in Breinnisteinsfjöll volcano / SISZ

Earthquake swarm in SISZ this morning (31.07.2012)

This morning there was an earthquake swarm in SISZ. This earthquake swarm was located just south of Hveragerði and Selfoss town. The largest earthquake in this earthquake swarm had the magnitude of ML1.3. Most of the other earthquake where less … Continue reading

Posted in Earthquakes, SISZ, Swarm | 1 Comment

Earthquake swarm in SISZ continues

The earthquake swarm that I wrote about yesterday (7. July 2012) in South Icelandic Seismic Zone (SISZ) continues. The largest earthquake so far has reached magnitude 3.1. The earthquake swarm has been ongoing for almost three weeks now. But almost … Continue reading

Posted in Earthquakes, SISZ, Swarm | 2 Comments

Earthquake activity in Katla volcano and on SISZ

It has been quiet for the past weeks in Iceland. I do not know if that is changing. But this is the short update of what has been taking place in Iceland earthquake wise during this quiet period. Katla volcano … Continue reading

Posted in Earthquakes, Katla / Mýrdalsjökull, Magma, Monitoring, SISZ, Swarm, Volcano | 4 Comments

Minor magma dike intrusion into Upptyppingar tuff mountain

Yesterday (12.01.2012) there was an minor earthquake swarm in Upptyppingar tuff mountain. But they are inside Kverkfjöll volcano fissure swarm that extends several km away from the main volcano. The largest earthquake in this earthquake swarm was around ML2.0 in … Continue reading

Posted in Dyke intrusions, Iceland, Inflation, Kverkfjöll, Magma, Monitoring, SISZ, Swarm, Upptyppingar, Volcano | 12 Comments

Hekla volcano is quiet

I have been seeing some rumors about Hekla volcano might be about to erupt. This is wrong. For the moment Hekla volcano is quiet as it has been since the last eruption in the year 2000. For few years Hekla … Continue reading

Posted in Earthquakes, Hekla, Iceland, Monitoring, SISZ, Volcano | 30 Comments

Earthquake close to Hekla volcano. A earthquake swarm in Katla volcano

This has been a busy weekend in earthquakes, more then I was expecting. Here is a minor write up on the activity so far. Hekla volcano: A ML2.4 earthquake did happen close to Hekla volcano at 07:30 UTC. Depth of … Continue reading

Posted in Dyke intrusions, Earthquakes, Hekla, Magma, Monitoring, SISZ, Volcano | 106 Comments

Few right and wrong things about geology in Iceland, part 1

I have seen many speculations on how geology works in Iceland. Some of it is good and based on observation and factual basic. Other however is nothing but speculation and far from anything based on factual evidence on how geology … Continue reading

Posted in Eruptions, History, Iceland, Interaction, Lava, Magma, Research, Reykjanes, Reykjanes Ridge, Rift Zone, SISZ, Speculation, Volcano | 59 Comments

Earthquake swarm north of Langjökull glacier and volcano, new hole found in Selfoss town

This is a short update. Langjökull glacier: Yesterday there was a minor earthquake swarm north of Langjökull glacier and volcano. This area did last time was last year when a good sized earthquake swarm did happen in this area, but … Continue reading

Posted in Earthquakes, Holes, Katla / Mýrdalsjökull, Langjökull volcano (north), Pictures, SISZ, Speculation, Volcano | 82 Comments

A short history of earthquake activity on South Icelandic Seismic Zone (SISZ)

Here is a short overview of the activity on the South Icelandic Seismic Zone (SISZ) since Icelanders started to document it’s activity history. The oldest record of a large earthquake on SISZ is from the year 1103. In most cases … Continue reading

Posted in Earthquakes, Hekla, Hengill, History, Krýsuvík, Reykjanes, SISZ | 17 Comments