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Reykjanes volcano (Iceland) - Smithsonian / USGS Weekly Volcanic Activity Report for 21 October-27 October 2020 (Continuing Activity)

Wed, 21 Oct 2020, 06:00
06:00 AM | BY: VN
IMO reported that a M 5.6 earthquake was recorded at 1343 on 20 October beneath Nupshlidarhals, a hill about 5 km W of the geothermal area in Seltun. This was the largest earthquake since 2003 recorded in the Reykjanes peninsula. There were about 1,700 aftershocks recorded in the following 24-hour period.
IMO received reports of rockfalls in steep areas and increased gas odors in the vicinity of Graenavatn at Nupshlidarhals. Four landslides were noted near the epicenter; some existing ground cracks were displaced and new cracks had formed in Krysuvikurbjarg. On 26 October IMO stated that seismic activity had significantly decreased in recent days; about 180 earthquakes below M 2.2 had been detected during the previous two days.

Source: Icelandic Meteorological Office (IMO)
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From: Global Volcanism Program, 2020. Report on Reykjanes. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 21 October-27 October 2020. Smithsonian Institution and US Geological Survey.

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Wed, 17 Jun 2020, 06:56

Thorbjörn volcano (Reykjanes Peninsula, Iceland): volcanic unrest continues with new inflation and earthquakes

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The Icelandic Met Office (IMO) reported that in mid-May deformation data (GPS and InSAR measurements) started to show again signs of inflation, suggesting that a third intrusion since the beginning of this year is occurring west of Thorbjörn. The intrusion began around mid of May but the seismic activity started to increase toward the end of the month (30 May). About 2000 earthquakes have been detected since then and several events are located East of Thorbjörn, few kilometers North of the town of Grindavík. The largest earthquake of this swarm occurred on 13 June with magnitude M 3.5. ... Read all
Wed, 10 Jun 2020, 06:00

Reykjanes volcano (Iceland) - Smithsonian / USGS Weekly Volcanic Activity Report for 10 June-16 June 2020 (Continuing Activity)

IMO reported that a third injection of magma since the beginning of the year was occurring beneath the Reykjanes peninsula. Data suggested that the current inflationary period began in mid-May, though earthquake activity did not increase until around 30 May. During 30 May-15 June the seismic network recorded more than 2,000 events, with the largest, an M 3.4, recorded on 13 June. ... 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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