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Mt. Thorbjorn volcano (Reykjanes peninsula, Iceland) activity update: seismic swarm recorded

Tue, 18 Feb 2020, 09:19
09:19 AM | BY: MARTIN
The Icelandic Met Office (IMO) recorded an earthquake swarm since 15 February at the southwestern tip of the Reykjanes peninsula. Over 120 earthquakes were detected by the seismic network with magnitude below M 3.0.
Earthquake activity around Thornbjorn volcano has decreased over the past days but is still above average, less than when it peaked in the end of January.
Additional monitors have been installed around Thorbjorn. Gas will be monitored regularly and scientists recommend the continuing monitoring of the area.
Icelandic scientists measured that in some places about 5 cm ground uplift have taken place since the start of the seismic crisis and that the intrusion is likely located at 3-5 km depth in an area just west Thornbjorn.
Source: Icelandic Met Office volcano activity update 18 February 2020

Previous news

Wed, 12 Feb 2020, 06:00

Reykjanes volcano (Iceland) - Smithsonian / USGS Weekly Volcanic Activity Report for 12 February-18 February 2020 (New Activity / Unrest)

On 15 February IMO reported that seismicity at Reykjanes, in an area N of the town of Grindavík, remained above background levels even though activity had been decreasing since the end of January. Two earthquakes larger than M 3 were detected; one of them, an M 3.1, was recorded at 0826 on 14 February. The rate of deformation had slightly increased. ... Read all
Sat, 8 Feb 2020, 11:29

Mt. Thorbjorn volcano (Reykjanes peninsula, Iceland): earthquakes decrease, but inflation continues

Depth vs time of earthquakes beneath Thornbjorn volcano during the past days
Earthquake activity around Thornbjorn volcano has decreased over the past days, but weak inflation, likely caused by magma accumulation at shallow depth, continues. ... Read all
Show more
Reykjanes volcano
Crater rows 230 m / 755 ft
Reykjanes peninsula (SW Iceland), 63.89°N / -22.52°W
Current status: normal or dormant (1 out of 5) Reykjanes volcano eruptions:
1211, 1226
Typical eruption style
effusive (lava flows)
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