Iceland Mag

5 Reykjavik

Iceland Mag

Geology

Sharp earthquake swarm at the Blue Lagoon

By Staff

  • Gunnuhver geothermal area The area around Grindavík is known for high levels of geological activity. Photo/Vilhelm

A sharp earthquake swarm hit the fishing town of Grindavík on the south coast of the Reykjanes peninsula yesterday evening. A 3.5 magnitude quake at 21:15 was felt clearly in the town and nearby areas. One of the best known tourist attractions in Iceland, the Blue Lagoon, is located north of the town.

Swarm extended into town

Earthquakes 22.1.18

Earthquakes in the past 48 h The quake by Grindavík is identified with a green star. Photo/IMO

According to the seismic monitoring system of the Icelandic Meteorological Office the epicenter of the activity was 3.8 km South East of the Blue Lagoon, in Húsafjall mountain. Nearly a dozen quakes were in the swarm which began at 20:53, and had died out early morning today, at 2:05. The epicenter of the quakes has been at a significant depth of 4-6 km in Húsafjall, with smaller tremors originating inside the town of Grindavík.

Read more: Why the constant earthquakes? Iceland is slowly being torn apart

Reykjanes peninsula is one of the most geologically active areas in Iceland, with high levels of geothermal and volcanic activity. A seismologist at the Icelandic Meteorological Office told the local newspaper Morgunblaðið that the activity did not point to growing volcanic activity.

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