Fagradalsfjall - photo Ferlir
Reykjanes Peninsula - location and magnitude of earthquakes on July 20, 2020 / 06:40 a.m. - IMO doc
In the Reykjanes Peninsula, an earthquake between M5 occurred at 23:36 in the area of Fagradalsfjall, a tuya formed during the Pleistocene. The earthquake was widely felt in the southwestern part of Iceland.
A considerable number of aftershocks occurred, the most significant were M3.5 at 00:08, M3.4 at 00:55, M3.0 at 02:19 and M3.4 at 03:09 and these were also felt in the southwest of Iceland. .
At 5:46 am, an M4.6 was detected. Rockfall was reported at Festarfjall, about 6 km SW of the epicenter of the earthquake.
On July 18 at 05:56 a.m., an M4.1 earthquake was detected 4.1 km north of Grindavík.
Earthquakes around Grindavík have continued in recent months due to deformation in the area.
Source: IMO
Location of the Fagradalsfjall tuya in the Reykjanes Peninsula
Fagradalsfjall - Lava flow dating from the Pleistocene - photo Banco imagenes geologicas / Flickr
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