Volcano earthquake report for Monday, 8 Mar 2021
World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius during the past 24 hours on 8 Mar 2021 Number in brackets indicate nr of quakes.

Quakes detected near: Askja (5 quakes between mag 0.1-2.4), Bardarbunga (3 quakes between mag 0.3-1.8), Brennisteinsfjöll (23 quakes between mag 0.1-1.7), Clear Lake (27 quakes between mag 0.4-1.8), Coso (5 quakes between mag 0.7-1.4), Eldey (12 quakes between mag 0.9-1.9)
Fagradalsfjall (1041 quakes between mag 0.1-4.2), Fourpeaked (1 quake mag 2.0), Grímsnes (4 quakes between mag 0.1-1.4), 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 (1 quake mag 1.2), Huambo (1 quake mag 3.6), Kerlingarfjöll (1 quake mag 2.3), Kilauea (2 quakes between mag 1.8-2.1), Krísuvík (157 quakes between mag 0.1-3.5), Loki-Fögrufjöll volcano (1 quake mag 1.3), Mammoth Mountain (6 quakes between mag 0.2-1.0), Mauna Loa (2 quakes between mag 2.5-2.6), Nevados Casiri (1 quake mag 4.5), Prestahnukur (3 quakes between mag 1.4-2.5), Reykjanes (146 quakes between mag 0.1-3.3), Sabancaya (1 quake mag 3.8), Snaefellsjökull (1 quake mag 1.4), Suoh (2 quakes between mag 2.0-2.7), Tindfjallajökull (3 quakes between mag 1.1-2.0), Ubehebe Craters (1 quake mag 1.1) (updated 05h50)

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 8 hours 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): 23 earthquakes up to magnitude 1.7

Possible earthquake swarm: 23 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 1 hour 52 minutes ago. Hypocenter depths ranged between 17.1 and 1.1 km.
Earthquake details: (only 5 largest)
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)1.6 quake 6.3 Km SW of Bláfjallaskáli, Iceland, 7 Mar 2021 11:30 pm (GMT +0) (5 km NE)1.3 quake 8.9 Km SSW of Helgafell, Iceland, 7 Mar 2021 3:34 pm (GMT +0) (3 km WNW)1.2 quake 6.2 Km WSW of Bláfjallaskáli, Iceland, 7 Mar 2021 11:30 pm (GMT +0) (5 km NE)All earthquakes at Brennisteinsfjöll

Clear Lake volcano (California): 27 earthquakes up to magnitude 1.8

Possible earthquake swarm: 27 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 54 minutes ago. Hypocenter depths ranged between 4.2 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)1.6 quake 7km NW of The Geysers, CA, USA, 7 Mar 2021 5:07 pm (GMT -8) (17 km S)1.3 quake 8km NW of The Geysers, CA, USA, 7 Mar 2021 8:56 pm (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)All earthquakes at Clear Lake

Eldey volcano (Iceland): 12 earthquakes up to magnitude 1.9

Possible earthquake swarm: 12 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 9.3 and 1.1 km.
Earthquake details: (only 5 largest)
1.9 quake 3.3 Km NNE of Geirfuglasker, Iceland, 7 Mar 2021 9:52 am (GMT +0) (9 km W)1.8 quake 5.8 Km W of Reykjanestá, Iceland, 8 Mar 2021 1:21 am (GMT +0) (12 km NE)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)1.6 quake 3.4 Km W of Reykjanestá, Iceland, 7 Mar 2021 10:27 am (GMT +0) (13 km ENE)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): 1041 earthquakes up to magnitude 4.2

Possible earthquake swarm: 1041 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 55 minutes ago. Hypocenter depths ranged between 14.8 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 16 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 13 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

Kilauea volcano (Hawai'i (Big Island)): 2 earthquakes up to magnitude 2.1

2 earthquakes occurred near (under) the volcano during 29 minutes, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 0.6 and 0.6 km.
Earthquake details:
2.1 quake 8 Km SW of Volcano, Hawaii, USA, 7 Mar 2021 3:34 pm (GMT -10) (1 km SW)1.8 quake 5 Km SSW of Volcano, Hawaii, USA, 7 Mar 2021 3:05 pm (GMT -10) (3 km E)All earthquakes at Kilauea

Krísuvík volcano (Reykjanes Peninsula, Iceland): 157 earthquakes up to magnitude 3.5

Possible earthquake swarm: 157 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 1 hour 44 minutes ago. Hypocenter depths ranged between 14.9 and 0.3 km.
Earthquake details: (only 5 largest)
3.5 quake 4.3 Km ESE of Keilir, Iceland, 7 Mar 2021 1:22 pm (GMT +0) (1 km ENE)2.7 quake 3.0 Km NNW of Krýsuvík, Iceland, 7 Mar 2021 2:39 pm (GMT +0) (2 km SSE)2.7 quake 4.0 Km N of Krýsuvík, Iceland, 7 Mar 2021 2:01 pm (GMT +0) (2 km SE)2.6 quake 4.1 Km NNW of Krýsuvík, Iceland, 7 Mar 2021 1:24 pm (GMT +0) (1 km SE)2.4 quake 5.2 Km N of Krýsuvík, Iceland, 7 Mar 2021 2:59 pm (GMT +0) (2 km ENE)All earthquakes at Krísuvík

Mauna Loa volcano (Hawai'i (Big Island)): 2 earthquakes up to magnitude 2.6

2 earthquakes occurred near (under) the volcano during 1 hour 39 minutes, the last being recorded quake 7 hours 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)All earthquakes at Mauna Loa

Nevados Casiri volcano (Peru): magnitude 4.5 earthquake

A magnitude 4.5 earthquake occurred at the volcano 23 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 10 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): 146 earthquakes up to magnitude 3.3

Possible earthquake swarm: 146 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 1 hour 59 minutes ago. Hypocenter depths ranged between 17.5 and 0.0 km.
Earthquake details: (only 5 largest)
3.3 quake 4.4 Km NNE of Grindavík, Iceland, 8 Mar 2021 12:34 am (GMT +0) (6 km ESE)3.2 quake 4.8 Km N of Grindavík, Iceland, 7 Mar 2021 6:30 am (GMT +0) (5 km ESE)3.1 quake 4.8 Km NW of Grindavík, Iceland, 7 Mar 2021 7:24 am (GMT +0) (2 km SSE)3.0 quake 3.9 Km NW of Grindavík, Iceland, 7 Mar 2021 1:37 pm (GMT +0) (3 km SSE)3.0 quake 3.8 Km NW of Grindavík, Iceland, 7 Mar 2021 1:35 pm (GMT +0) (3 km SSE)All earthquakes at Reykjanes

Sabancaya volcano (Peru): magnitude 3.8 earthquake

A magnitude 3.8 earthquake occurred at the volcano 6 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 16 km distance WNW from the volcano.
Earthquake details:
3.8 quake Provincia de Caylloma, 89 km northwest of Arequipa, Peru, 7 Mar 2021 6:36 pm (GMT -5) (16 km WNW)All earthquakes at Sabancaya

Suoh volcano (Sumatra): 2 earthquakes up to magnitude 2.7

2 earthquakes occurred near (under) the volcano during 4 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 10.0 and 10.0 km.
Earthquake details:
2.7 quake 82 km southwest of Kotabumi, Lampung, Indonesia, 8 Mar 2021 8:04 am (GMT +7) (1 km ENE)2.0 quake 82 km southwest of Kotabumi, Lampung, Indonesia, 8 Mar 2021 3:52 am (GMT +7) (1 km SE)All earthquakes at Suoh
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