Volcano earthquake report for Wednesday, 7 Apr 2021

Wed, 7 Apr 2021, 23:50 | BY: EARTHQUAKEMONITOR

World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius during the past 24 hours on 7 Apr 2021 Number in brackets indicate nr of quakes.

Quakes detected near: Brennisteinsfjöll (3 quakes between mag 0.1-1.4), Campi Flegrei (Phlegrean Fields) (9 quakes between mag 0.2-1.9), Clear Lake (11 quakes between mag 0.3-1.6), Coso (12 quakes between mag 0.3-2.3), Fagradalsfjall (15 quakes between mag 0.4-2.8), Hengill (2 quakes between mag 0.6-2.0)
Herdubreid (1 quake mag 1.2), Hrómundartindur (12 quakes between mag 0.5-2.0), Katmai (1 quake mag 1.0), Krísuvík (22 quakes between mag 0.1-1.9), Miravalles (2 quakes between mag 3.1-3.6), Nisyros (14 quakes between mag 1.6-4.2), Salton Buttes (3 quakes between mag 1.3-2.1), Vatnafjöll (1 quake mag 1.0) (updated 23h50)

Note: Earthquakes within 20 km from and at depths less than 20 km under active volcanoes are reported. The list is not complete because many volcanoes are not monitored and/or seismic data in high resolution is not available publicly.

Volcanoes with recent earthquakes above magnitude 2 or more than 10 quakes are listed below:

Clear Lake volcano (California): 11 earthquakes up to magnitude 1.6

Possible earthquake swarm: 11 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 1 hour 52 minutes ago. Hypocenter depths ranged between 5.5 and 1.7 km.
Earthquake details: (only 5 largest)
1.6 quake 5km NW of The Geysers, CA, USA, 7 Apr 2021 2:57 pm (GMT -7) (18 km S)
1.5 quake 7km NW of The Geysers, CA, USA, 7 April 2021 03:21 GMT (18 km SSW)
0.9 quake 5km NW of The Geysers, CA, USA, 7 Apr 2021 10:26 am (GMT -7) (17 km S)
0.9 quake 6km NW of The Geysers, CA, USA, 7 Apr 2021 5:34 am (GMT -7) (17 km S)
0.9 quake 6km NW of The Geysers, CA, USA, 7 Apr 2021 5:23 am (GMT -7) (18 km S)
All earthquakes at Clear Lake

Coso volcano (California): 12 earthquakes up to magnitude 2.3

Possible earthquake swarm: 12 earthquakes occurred near (under) the volcano during 13 hours, the last being recorded quake 7 hours ago. Hypocenter depths ranged between 9.7 and 1.1 km.
Earthquake details: (only 5 largest)
2.3 quake Inyo County, 28 mi north of Ridgecrest, Kern County, California, USA, 7 Apr 2021 1:02 am (GMT -7) (4 km ESE)
1.9 quake 16km NE of Little Lake, CA, USA, 7 April 2021 09:05 GMT (5 km E)
0.9 quake 15km ESE of Little Lake, CA, USA, 7 Apr 2021 5:08 am (GMT -7) (16 km SSE)
0.9 quake 16km NE of Little Lake, CA, USA, 7 April 2021 08:03 GMT (5 km E)
0.9 quake 15km E of Coso Junction, CA, USA, 7 Apr 2021 2:31 am (GMT -7) (4 km E)
All earthquakes at Coso

Fagradalsfjall volcano (Reykjanes Peninsula, Iceland): 15 earthquakes up to magnitude 2.8

Possible earthquake swarm: 15 earthquakes occurred near (under) the volcano during 20 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 5.9 and 0.1 km.
Earthquake details: (only 5 largest)
2.8 quake 5.7 Km NNE of Grindavík, Iceland, 7 Apr 2021 12:34 pm (GMT +0) (6 km WSW)
1.9 quake 2.6 Km SW of Keilir, Iceland, 7 April 2021 04:39 GMT (4 km NE)
1.8 quake 2.7 Km SW of Keilir, Iceland, 7 April 2021 03:20 GMT (4 km NE)
1.2 quake 5.1 Km NNE of Grindavík, Iceland, 7 Apr 2021 1:34 pm (GMT +0) (6 km WSW)
1.2 quake 3.6 Km S of Fagradalsfjall, Iceland, 7 April 2021 09:45 GMT (3 km S)
All earthquakes at Fagradalsfjall

Hrómundartindur volcano (Iceland): 12 earthquakes up to magnitude 2.0

Possible earthquake swarm: 12 earthquakes occurred near (under) the volcano during 5 hours, the last being recorded quake 10 hours ago. Hypocenter depths ranged between 14.4 and 2.8 km.
Earthquake details: (only 5 largest)
2.0 quake 2.6 Km NNE of Hellisheiðarvirkjun, Iceland, 7 Apr 2021 9:37 am (GMT +0) (8 km W)
1.4 quake 2.7 Km NNE of Hellisheiðarvirkjun, Iceland, 7 Apr 2021 9:55 am (GMT +0) (9 km W)
1.2 quake 3.1 Km NNE of Hellisheiðarvirkjun, Iceland, 7 April 2021 10:12 GMT (9 km W)
1.1 quake 3.3 Km NNE of Hellisheiðarvirkjun, Iceland, 7 Apr 2021 11:49 am (GMT +0) (8 km W)
1.0 quake 3.3 Km SW of Skeggi_á_Hengli, Iceland, 7 April 2021 10:13 GMT (8 km W)
All earthquakes at Hrómundartindur

Krísuvík volcano (Reykjanes Peninsula, Iceland): 22 earthquakes up to magnitude 1.9

Possible earthquake swarm: 22 earthquakes occurred near (under) the volcano during 16 hours, the last being recorded quake 7 hours ago. Hypocenter depths ranged between 7.9 and 0.3 km.
Earthquake details: (only 5 largest)
1.9 quake 1.5 Km SSW of Keilir, Iceland, 7 Apr 2021 1:48 pm (GMT +0) (4 km W)
1.8 quake 2.6 Km SW of Keilir, Iceland, 7 Apr 2021 4:39 am (GMT +0) (5 km W)
1.6 quake 7.2 Km NE of Krýsuvík, Iceland, 7 Apr 2021 1:15 pm (GMT +0) (6 km E)
1.4 quake 1.4 Km SSW of Keilir, Iceland, 7 Apr 2021 1:49 pm (GMT +0) (4 km W)
1.4 quake 2.5 Km SW of Keilir, Iceland, 7 April 2021 04:40 GMT (5 km W)
All earthquakes at Krísuvík

Previous news

Tue, 6 Apr 2021, 23:50

Volcano earthquake report for Tuesday, 6 Apr 2021

World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius during the past 24 hours on 6 Apr 2021 Number in brackets indicate nr of quakes.

Quakes detected near: Clear Lake (6 quakes between mag 0.1-1.9), Coso (4 quakes between mag 0.1-1.1), Fagradalsfjall (27 quakes between mag 0.2-1.7), Grímsvötn (3 quakes between mag 0.7-1.8), Katla (6 quakes between mag 0.3-2.2), Kilauea (2 quakes between mag 1.6-2.6) ... Read all

Mon, 5 Apr 2021, 23:50

Volcano earthquake report for Monday, 5 Apr 2021

World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius during the past 24 hours on 5 Apr 2021 Number in brackets indicate nr of quakes.

Quakes detected near: Askja (2 quakes between mag 1.3-1.6), Clear Lake (5 quakes between mag 0.9-2.7), Coso (3 quakes between mag 0.7-1.7), Eldey (2 quakes between mag 1.0-1.4), Etna (1 quake mag 1.2), Fagradalsfjall (58 quakes between mag 0.1-2.4) ... Read all