Volcano earthquake report for Sunday, 7 Mar 2021

Quakes detected near: Askja (5 quakes between mag 0.1-2.4), Bardarbunga (3 quakes between mag 0.3-1.8), Brennisteinsfjöll (24 quakes between mag 0.2-4.7), Clear Lake (25 quakes between mag 0.4-1.8), Coso (4 quakes between mag 0.8-1.4), Eldey (16 quakes between mag 0.9-2.3)
Eyafjallajökull (1 quake mag 1.3), Fagradalsfjall (881 quakes between mag 0.1-4.2), Fourpeaked (1 quake mag 2.0), Grímsnes (1 quake mag 1.4), Helgrindur (1 quake mag 1.4), Hengill (2 quakes between mag 0.6-1.3), Herdubreid (3 quakes between mag 0.3-1.0), Hrómundartindur (2 quakes between mag 1.0-1.2), Huambo (1 quake mag 3.6), Kerlingarfjöll (1 quake mag 2.3), Krísuvík (387 quakes between mag 0.1-4.2), Loki-Fögrufjöll volcano (2 quakes between mag 1.3-1.9), Mauna Loa (3 quakes between mag 2.3-2.6), Mono Lake (1 quake mag 1.5), Nevados Casiri (1 quake mag 4.5), Prestahnukur (3 quakes between mag 1.4-2.5), Reykjanes (460 quakes between mag 0.1-5.0), Sabancaya (2 quakes between mag 3.5-3.6), Snaefellsjökull (1 quake mag 1.4), Suoh (1 quake mag 2.0), Tindfjallajökull (2 quakes between mag 1.1-2.0), Torfajökull (2 quakes between mag 2.3-2.7), Ubehebe Craters (1 quake mag 1.1) (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:

Askja volcano (Iceland): 5 earthquakes up to magnitude 2.4

5 earthquakes occurred near (under) the volcano during 14 hours, the last being recorded quake 1 hour 59 minutes ago. Hypocenter depths ranged between 6.2 and 1.2 km.
Earthquake details:
2.4 quake 3.5 Km WSW of Dreki, Iceland, 7 Mar 2021 6:23 pm (GMT +0) (4 km E)1.0 quake 3.1 Km WSW of Dreki, Iceland, 7 Mar 2021 7:41 am (GMT +0) (4 km E)0.8 quake 3.6 Km W of Dreki, Iceland, 7 Mar 2021 8:20 pm (GMT +0) (3 km E)0.2 quake 3.5 Km WSW of Dreki, Iceland, 7 Mar 2021 6:29 pm (GMT +0) (4 km E)0.1 quake 9.2 Km WNW of Dreki, Iceland, 7 Mar 2021 9:51 pm (GMT +0) (4 km NNW)All earthquakes at Askja

Brennisteinsfjöll volcano (Reykjanes Peninsula, Iceland): 24 earthquakes up to magnitude 4.7

Possible earthquake swarm: 24 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 17.5 and 0.5 km.
Earthquake details: (only 5 largest)
4.7 quake 8.2 Km ESE of Krýsuvík, Iceland, 7 Mar 2021 2:01 am (GMT +0) (8 km SSW)1.7 quake 6.5 Km SW of Helgafell, Iceland, 7 Mar 2021 6:58 am (GMT +0) (7 km NW)1.6 quake 7.5 Km SW of Bláfjallaskáli, Iceland, 7 Mar 2021 7:03 am (GMT +0) (4 km NE)1.4 quake 3.2 Km SE of Helgafell, Iceland, 7 Mar 2021 12:41 am (GMT +0) (8 km NNE)1.3 quake 3.8 Km WNW of Bláfjallaskáli, Iceland, 7 Mar 2021 2:56 am (GMT +0) (9 km NE)All earthquakes at Brennisteinsfjöll

Clear Lake volcano (California): 25 earthquakes up to magnitude 1.8

Possible earthquake swarm: 25 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 40 minutes ago. Hypocenter depths ranged between 9.5 and 0.5 km.
Earthquake details: (only 5 largest)
1.8 quake 8km NW of The Geysers, CA, USA, 7 Mar 2021 4:49 am (GMT -8) (16 km SSW)1.3 quake 8km NW of The Geysers, CA, USA, 7 Mar 2021 12:15 am (GMT -8) (16 km SSW)1.2 quake 9km WNW of The Geysers, CA, USA, 7 Mar 2021 1:33 pm (GMT -8) (18 km SSW)1.1 quake 7km NW of The Geysers, CA, USA, 7 Mar 2021 3:36 am (GMT -8) (16 km S)1.1 quake 8km NW of The Geysers, CA, USA, 6 Mar 2021 6:48 pm (GMT -8) (16 km SSW)All earthquakes at Clear Lake

Eldey volcano (Iceland): 16 earthquakes up to magnitude 2.3

Possible earthquake swarm: 16 earthquakes occurred near (under) the volcano during 18 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 9.3 and 1.1 km.
Earthquake details: (only 5 largest)
2.3 quake 4.4 Km E of Geirfuglasker, Iceland, 7 Mar 2021 3:54 am (GMT +0) (7 km SW)2.2 quake 4.9 Km ESE of Geirfuglasker, Iceland, 7 Mar 2021 3:18 am (GMT +0) (8 km SW)1.9 quake 3.3 Km NNE of Geirfuglasker, Iceland, 7 Mar 2021 9:52 am (GMT +0) (9 km W)1.7 quake 6.5 Km N of Geirfuglasker, Iceland, 7 Mar 2021 12:28 pm (GMT +0) (11 km WNW)1.6 quake 9.2 Km NNW of Geirfuglasker, Iceland, 7 Mar 2021 4:18 pm (GMT +0) (14 km WNW)All earthquakes at Eldey
Eldey is located at the beginning of the Reykjanes Ridge off the SW tip of Iceland. Its highest elevation is the top of Eldey Island, but most of the volcanic edifice is submerged.

Several eruptions occurred in historic times, last in 1926.

Fagradalsfjall volcano (Reykjanes Peninsula, Iceland): 881 earthquakes up to magnitude 4.2

Possible earthquake swarm: 881 earthquakes occurred near (under) the volcano during 20 hours, the last being recorded quake 30 minutes ago. Hypocenter depths ranged between 14.7 and 0.0 km.
Earthquake details: (only 5 largest)
4.2 quake 1.7 Km E of Fagradalsfjall, Iceland, 7 Mar 2021 5:06 pm (GMT +0) (2 km NE)3.8 quake 1.2 Km SSE of Fagradalsfjall, Iceland, 7 Mar 2021 8:33 am (GMT +0) (1 km SSE)3.5 quake 1.6 Km ENE of Fagradalsfjall, Iceland, 7 Mar 2021 9:45 pm (GMT +0) (2 km ENE)3.4 quake 1.1 Km SSE of Fagradalsfjall, Iceland, 7 Mar 2021 7:22 am (GMT +0) (1 km S)3.2 quake 1.3 Km S of Fagradalsfjall, Iceland, 7 Mar 2021 11:49 am (GMT +0) (1 km SSW)All earthquakes at Fagradalsfjall

Huambo volcano (Peru): magnitude 3.6 earthquake

A magnitude 3.6 earthquake occurred at the volcano 10 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 14 km distance NNE from the volcano.
Earthquake details:
3.6 quake Provincia de Caylloma, 96 km northwest of Arequipa, Peru, 7 Mar 2021 8:47 am (GMT -5) (14 km NNE)All earthquakes at Huambo

Kerlingarfjöll volcano (Iceland): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 7 hours ago. The quake, which might be volcanic in origin, was located at a depth of 1.1 km depth at 15 km distance S from the volcano.
Earthquake details:
2.3 quake 38.1 Km NNW of Sigöldustöð, Iceland, 7 Mar 2021 5:06 pm (GMT +0) (15 km S)All earthquakes at Kerlingarfjöll

Krísuvík volcano (Reykjanes Peninsula, Iceland): 387 earthquakes up to magnitude 4.2

Possible earthquake swarm: 387 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 46 minutes ago. Hypocenter depths ranged between 14.9 and 0.3 km.
Earthquake details: (only 5 largest)
4.2 quake 0.7 Km S of Fagradalsfjall, Iceland, 7 Mar 2021 2:33 am (GMT +0) (9 km WSW)4.1 quake 1.2 Km SW of Fagradalsfjall, Iceland, 7 Mar 2021 1:40 am (GMT +0) (10 km WSW)3.8 quake 4.4 Km NW of Fagradalsfjall, Iceland, 7 Mar 2021 12:42 am (GMT +0) (8 km WSW)3.5 quake 4.3 Km ESE of Keilir, Iceland, 7 Mar 2021 1:22 pm (GMT +0) (1 km ENE)3.3 quake 1.0 Km ESE of Fagradalsfjall, Iceland, 7 Mar 2021 12:29 am (GMT +0) (8 km WSW)All earthquakes at Krísuvík

Mauna Loa volcano (Hawai'i (Big Island)): 3 earthquakes up to magnitude 2.6

3 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 1 hour 8 minutes ago. Hypocenter depths ranged between 2.3 and 1.2 km.
Earthquake details:
2.6 quake 28 mi southwest of Hilo, Hawaii County, USA, 7 Mar 2021 12:42 pm (GMT -10) (17 km ENE)2.5 quake 38 mi southwest of Hilo, Hawaii County, USA, 7 Mar 2021 11:02 am (GMT -10) (2 km SE)2.3 quake 28 Km E of Honaunau-Napoopoo, Hawaii, USA, 6 Mar 2021 6:02 pm (GMT -10) (2 km SE)All earthquakes at Mauna Loa

Nevados Casiri volcano (Peru): magnitude 4.5 earthquake

A magnitude 4.5 earthquake occurred at the volcano 17 hours ago. The quake, which might be volcanic in origin, was located at a depth of 2.0 km depth at 5 km distance SW from the volcano.
Earthquake details:
4.5 quake 71 km northeast of Tacna, Peru, 7 Mar 2021 1:49 am (GMT -5) (5 km SW)All earthquakes at Nevados Casiri

Prestahnukur volcano (Iceland): 3 earthquakes up to magnitude 2.5

3 earthquakes occurred near (under) the volcano during 4 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 4.8 and 2.0 km.
Earthquake details:
2.5 quake 17.5 Km SE of Húsafell, Iceland, 7 Mar 2021 3:27 pm (GMT +0) (9 km SW)1.9 quake 17.0 Km N of Skjaldbreið, Iceland, 7 Mar 2021 3:56 pm (GMT +0) (8 km SW)1.4 quake 16.2 Km N of Skjaldbreið, Iceland, 7 Mar 2021 7:45 pm (GMT +0) (8 km SW)All earthquakes at Prestahnukur

Reykjanes volcano (Reykjanes Peninsula, Iceland): 460 earthquakes up to magnitude 5.0

Possible earthquake swarm: 460 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 1 hour 19 minutes ago. Hypocenter depths ranged between 17.5 and 0.0 km.
Earthquake details: (only 5 largest)
5.0 quake 3.2 km WSW of Fagradalsfjall, Reykjanes peninsula, Iceland, 7 Mar 2021 2:01 am (GMT +0) (10 km E)4.1 quake 4.0 Km N of Grindavík, Iceland, 7 Mar 2021 2:50 am (GMT +0) (5 km ESE)4.0 quake 5.4 Km WSW of Fagradalsfjall, Iceland, 7 Mar 2021 2:40 am (GMT +0) (8 km ESE)4.0 quake 4.8 Km WSW of Fagradalsfjall, Iceland, 7 Mar 2021 2:45 am (GMT +0) (8 km E)3.9 quake 4.5 Km N of Grindavík, Iceland, 7 Mar 2021 2:54 am (GMT +0) (4 km ESE)All earthquakes at Reykjanes

Sabancaya volcano (Peru): 2 earthquakes up to magnitude 3.6

2 earthquakes occurred near (under) the volcano during 42 minutes, the last being recorded quake 21 hours ago. Hypocenter depths ranged between 11.0 and 8.0 km.
Earthquake details:
3.6 quake Provincia de Caylloma, 88 km northwest of Arequipa, Peru, 6 Mar 2021 8:45 pm (GMT -5) (14 km WNW)3.5 quake Provincia de Caylloma, 91 km northwest of Arequipa, Peru, 6 Mar 2021 9:27 pm (GMT -5) (17 km WNW)All earthquakes at Sabancaya

Torfajökull volcano (Iceland): 2 earthquakes up to magnitude 2.7

2 earthquakes occurred near (under) the volcano during 2 hours, the last being recorded quake 21 hours ago. Hypocenter depths ranged between 1.1 and 1.1 km.
Earthquake details:
2.7 quake 1.6 Km W of Álftavatn, Iceland, 7 Mar 2021 2:49 am (GMT +0) (9 km SSW)2.3 quake 5.0 Km NE of Landmannalaugar, Iceland, 7 Mar 2021 12:43 am (GMT +0) (14 km NE)All earthquakes at Torfajökull
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