Mt. Thorbjorn volcano (Reykjanes peninsula, Iceland) activity update: ongoing seismic swarm; emissions detected in a popular tourist cave
Mon, 24 Feb 2020, 08:1508:15 AM | BY: MARTIN
The Icelandic Met Office (IMO) reported that the CO2 emissions reached hazardous levels and low levels of O2 were measured at the cave (popular for hikers) in the Eldvörp area on the Reykjanes Peninsula on 20 February.
Earthquakes during the last 48 hours at the Reykjanes peninsula (image: IMO)
On 20 February an earthquake swarm started 10 km N of Gjögurtá. Over 200 earthquakes were detected by the seismic network with magnitude below M 3.0.
Earthquake swarms are not unusual in the area.
Source: Icelandic Met Office volcano activity update 24 February 2020
Wed, 19 Feb 2020, 06:00
Reykjanes volcano (Iceland) - Smithsonian / USGS Weekly Volcanic Activity Report for 19 February-25 February 2020 (New Activity / Unrest)
On 25 February IMO reported that seismic activity at Reykjanes, in an area N of the town of Grindavík, had significantly decreased during the previous few days, and inflation was not detected in GPS and InSAR data. The Aviation Color Code was lowered to Green. Preliminary data suggested a small deflation signal beginning mid-February, though further analysis was needed for confirmation. ... Read all
Tue, 18 Feb 2020, 09:19
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. ... Read all