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Tjörnes Fracture Zone (North of Iceland): seismic swarm continues to be declined

Mon, 19 Sep 2022, 03:23
03:23 AM | BY: MARTIN
Earthquakes on Tjörnes Fracture Zone (red frame) during the last 48 hours (image: IMO)
Earthquakes on Tjörnes Fracture Zone (red frame) during the last 48 hours (image: IMO)
The seismic swarm on the Tjörnes Fracture Zone which began on 8 September, continues to decrease.
More than 12 000 earthquakes have been detected so far. At its peak intensity, over about thousand quakes were registered daily, but during the last few days, hundreds of earthquakes have been measured per day with magnitudes of around M 3.
Source: Icelandic Meteorological Office volcano activity update 19 September 2022

Previous news

Mon, 12 Sep 2022, 04:29

Tjörnes Fracture Zone (North of Iceland): seismic unrest

Distribution of earthquakes beneath the Grímsey island (image: IMO)
A seismic unrest has been occurring in the Tjörnes Fracture Zone since early September. ... Read all
Sat, 5 Oct 2013, 09:00

Tjörnes Fracture Zone (Iceland): earthquake swarm weakens

The Húsavík-Flatey (HFF)  transform faut and location of earthquakes in the TFZ (IMO)
The earthquake swarm has decreased in intensity. At least some scientists believe that the cause has been a magmatic intrusion in Iceland's northern rift zone that activated the Húsavík-Flatey (HFF) transform fault at the southern limit of the TFZ where the earthquakes were concentrated. ... Read all
Show more
submarine volcano unknown summit elevation
North of Iceland, 66.3°N / -17.1°W
Current status: normal or dormant (1 out of 5) Tjörnes Fracture Zone volcano eruptions:
1868
Typical eruption style
unspecified
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