News

M5.6 at the Reykjanes peninsula - 20.10.2020

At 13:43 today (20th of October) an earthquake of M5.6 occurred in Núpshlíðarháls, about 5 km west of the geothermal area in Seltún on the Reykjanes peninsula. The earthquake was felt widely around the country, especially the southern part of the Reykjanes peninsula and in the capital area, which is some 25 km from the epicenter. At this time over 250 aftershocks have been detected, the largest ones in the period between 15:27 and 15:32. The largest was of M4.1, other earthquakes between 3.0 and 3.8. There are no signs of volcanic unrest in the area.

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The Aviation Color Code for Grímsvötn changed from green to yellow - 30.9.2020

The Icelandic Met Office has changed the aviation color code for Grímsvötn volcano from green to yellow. Volcanic activity at Grímsvötn has been gradually increasing over time as indicated by several regularly monitored geophysical and geochemical parameters that are now above the known background level.

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Update on the activity in the Reykjanes peninsula - 23.7.2020

Since the intense seismic swarm started in Fagradalsfjall on the 18th of July, the activity has been slowly decreasing over time. The acquisition of recent satellite images enabled mapping of new surface deformation in the area associated with the sequence of large earthquakes which occurred between the 18th and 20th of July. The satellite data processing clearly shows a deformation signal corresponding to approximately 3 centimeters of movement along a NE-SW oriented fault in the region of Fagradalsfjall.

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An earthquake swarm in Fagradalsfjall - 20.7.2020

On 19th July at approximately 01:30 a.m. a seismic swarm commenced in Fagradalsfjall. Over 1700 earthquakes have occurred in this region since. The largest event occurred at 23:36 yesterday evening with a magnitude (M) of 5. Two other events greater than M4 occurred early this morning at 05:46 (M4.6) and 06:23 (M4.3), respectively. In addition, 22 earthquakes greater than M3 have occurred since midnight. Felt earthquakes have been reported by local residents as far Akranes in the west and Vík in the east. The seismic swarm is still ongoing with similar intensity.

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