Volcano earthquake report for Sunday, 14 Mar 2021
World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius during the past 24 hours on 14 Mar 2021 Number in brackets indicate nr of quakes.

Quakes detected near: Brennisteinsfjöll (6 quakes between mag 0.2-1.4), Campi Flegrei (Phlegrean Fields) (5 quakes between mag 0.4-1.5), Clear Lake (17 quakes between mag 0.4-1.2), Coso (3 quakes between mag 1.1-1.1), Eldey (19 quakes between mag 0.2-1.8), Etna (2 quakes between mag 1.0-1.0)
Fagradalsfjall (1075 quakes between mag 0.1-5.4), Guagua Pichincha (1 quake mag 2.3), Heiðarsporðar (1 quake mag 4.9), Herdubreid (1 quake mag 2.0), Hrómundartindur (1 quake mag 1.0), Katla (3 quakes between mag 0.4-2.3), Kilauea (2 quakes between mag 2.2-2.6), Krísuvík (22 quakes between mag 0.1-2.5), Lassen (3 quakes between mag 0.6-1.1), Lysuhóll (1 quake mag 1.3), Mauna Loa (2 quakes between mag 1.9-2.8), Pico (1 quake mag 2.1), Reykjanes (143 quakes between mag 0.1-4.1), Snaefellsjökull (1 quake mag 2.1), Sousaki (1 quake mag 1.3), Tacora (1 quake mag 4.2), Tenerife (2 quakes between mag 1.0-1.3), Tindfjallajökull (1 quake mag 3.7) (updated 21h50)

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): 17 earthquakes up to magnitude 1.2

Possible earthquake swarm: 17 earthquakes occurred near (under) the volcano during 15 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 3.9 and 0.1 km.
Earthquake details: (only 5 largest)
1.2 quake 6km NW of The Geysers, CA, USA, 13 Mar 2021 7:16 pm (GMT -8) (17 km S)1.1 quake 8km NW of The Geysers, CA, USA, 14 Mar 2021 6:27 am (GMT -7) (16 km SSW)1.0 quake 7km W of Cobb, CA, USA, 14 Mar 2021 12:31 am (GMT -8) (16 km SSW)0.9 quake 8km WNW of The Geysers, CA, USA, 13 Mar 2021 4:45 pm (GMT -8) (18 km SSW)0.9 quake 10km WNW of The Geysers, CA, USA, 13 Mar 2021 11:35 pm (GMT -8) (17 km SSW)All earthquakes at Clear Lake

Eldey volcano (Iceland): 19 earthquakes up to magnitude 1.8

Possible earthquake swarm: 19 earthquakes occurred near (under) the volcano during 18 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 17.3 and 0.9 km.
Earthquake details: (only 5 largest)
1.8 quake 2.3 Km W of Eldeyjardrangur, Iceland, 14 Mar 2021 7:09 am (GMT +0) (2 km W)1.6 quake 15.3 Km NNW of Eldey, Iceland, 14 Mar 2021 4:52 am (GMT +0) (16 km N)1.3 quake 5.4 Km ESE of Geirfuglasker, Iceland, 14 Mar 2021 2:59 pm (GMT +0) (8 km SW)1.2 quake 3.3 Km NNW of Eldeyjardrangur, Iceland, 13 Mar 2021 10:22 pm (GMT +0) (3 km NNW)1.1 quake 13.5 Km SSE of Geirfuglasker, Iceland, 14 Mar 2021 3:13 pm (GMT +0) (16 km SSW)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): 1075 earthquakes up to magnitude 5.4

Possible earthquake swarm: 1075 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 18.2 and 0.0 km.
Earthquake details: (only 5 largest)
5.4 quake 6.5 Km NNE of Goðabunga, Iceland, 14 Mar 2021 2:15 pm (GMT +0) (7 km SW)4.6 quake 3.9 Km S of Fagradalsfjall, Iceland, 14 Mar 2021 12:34 pm (GMT +0) (4 km S)4.2 quake 2.7 Km SSW of Fagradalsfjall, Iceland, 14 Mar 2021 4:40 am (GMT +0) (2 km SSW)4.1 quake 2.2 Km S of Fagradalsfjall, Iceland, 13 Mar 2021 10:06 pm (GMT +0) (2 km S)4.0 quake 1.9 Km SSE of Fagradalsfjall, Iceland, 14 Mar 2021 2:15 pm (GMT +0) (2 km S)All earthquakes at Fagradalsfjall

Guagua Pichincha volcano (Ecuador): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 9 hours ago. The quake, which might be volcanic in origin, was located at a depth of 9.0 km depth at 14 km distance E from the volcano.
Earthquake details:
2.3 quake 10.8 km northeast of San Francisco de Quito, Ecuador, 14 Mar 2021 8:09 am (GMT -5) (14 km E)All earthquakes at Guagua Pichincha

Heiðarsporðar volcano (Iceland): magnitude 4.9 earthquake

A magnitude 4.9 earthquake occurred at the volcano 9 hours ago. The quake, which might be volcanic in origin, was located at a depth of 17.9 km depth at 11 km distance W from the volcano.
Earthquake details:
4.9 quake 18.4 Km SW of Kröfluvirkjun, Iceland, 14 Mar 2021 12:35 pm (GMT +0) (11 km W)All earthquakes at Heiðarsporðar

Katla volcano (Iceland): 3 earthquakes up to magnitude 2.3

3 earthquakes occurred near (under) the volcano during 11 hours, the last being recorded quake 8 hours ago. Hypocenter depths ranged between 14.3 and 1.1 km.
Earthquake details:
2.3 quake 6.6 Km NNE of Goðabunga, Iceland, 14 Mar 2021 2:15 pm (GMT +0) (9 km NW)0.8 quake 6.2 Km ENE of Goðabunga, Iceland, 14 Mar 2021 12:34 pm (GMT +0) (6 km NW)0.4 quake 5.7 Km N of Hábunga, Iceland, 14 Mar 2021 3:19 am (GMT +0) (3 km W)All earthquakes at Katla

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

2 earthquakes occurred near (under) the volcano during 8 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 10.3 and 4.9 km.
Earthquake details:
2.6 quake Island of Hawaii, Hawaii, USA, 14 Mar 2021 5:25 am (GMT -10) (13 km ESE)2.2 quake 13 Km WNW of Volcano, Hawaii, USA, 13 Mar 2021 9:04 pm (GMT -10) (11 km NW)All earthquakes at Kilauea

Krísuvík volcano (Reykjanes Peninsula, Iceland): 22 earthquakes up to magnitude 2.5

Possible earthquake swarm: 22 earthquakes occurred near (under) the volcano during 18 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 13.4 and 0.8 km.
Earthquake details: (only 5 largest)
2.5 quake 1.0 Km SSW of Keilir, Iceland, 14 Mar 2021 11:40 am (GMT +0) (4 km W)1.3 quake 0.9 Km WSW of Keilir, Iceland, 14 Mar 2021 8:37 am (GMT +0) (4 km WNW)1.2 quake 1.1 Km WSW of Keilir, Iceland, 14 Mar 2021 10:51 am (GMT +0) (5 km WNW)1.1 quake 2.4 Km SE of Straumsvík, Iceland, 14 Mar 2021 7:15 am (GMT +0) (11 km NNE)0.9 quake 4.4 Km E of Keilir, Iceland, 14 Mar 2021 1:47 pm (GMT +0) (2 km NNE)All earthquakes at Krísuvík

Mauna Loa volcano (Hawai'i (Big Island)): 2 earthquakes up to magnitude 2.8

2 earthquakes occurred near (under) the volcano during 1 hour 38 minutes, the last being recorded quake 20 hours ago. Hypocenter depths ranged between 6.2 and 1.4 km.
Earthquake details:
2.8 quake 41 mi southwest of Hilo, Hawaii County, USA, 13 Mar 2021 2:36 pm (GMT -10) (7 km S)1.9 quake 22 Km NW of Pāhala, Hawaii, USA, 13 Mar 2021 4:14 pm (GMT -10) (12 km S)All earthquakes at Mauna Loa

Pico volcano (Azores): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 14 hours ago. The quake, which might be volcanic in origin, was located at a depth of 0 km depth at 17 km distance NNW from the volcano.
Earthquake details:
2.1 quake North Atlantic Ocean, 9.7 km northeast of Madalena, Azores, Portugal, 14 Mar 2021 6:23 am (GMT -1) (17 km NNW)All earthquakes at Pico

Reykjanes volcano (Reykjanes Peninsula, Iceland): 143 earthquakes up to magnitude 4.1

Possible earthquake swarm: 143 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 14.4 and 0.0 km.
Earthquake details: (only 5 largest)
4.1 quake 4.8 Km N of Grindavík, Iceland, 14 Mar 2021 2:38 pm (GMT +0) (3 km ESE)3.9 quake 4.3 Km NNW of Grindavík, Iceland, 14 Mar 2021 3:20 pm (GMT +0) (3 km SE)3.4 quake 8.7 Km S of Helguvík, Iceland, 14 Mar 2021 2:38 pm (GMT +0) (4 km ESE)3.3 quake 3.2 Km NNE of Grindavík, Iceland, 14 Mar 2021 2:32 pm (GMT +0) (6 km ESE)3.2 quake 2.3 Km NE of Grindavík, Iceland, 14 Mar 2021 2:18 pm (GMT +0) (7 km SE)All earthquakes at Reykjanes

Snaefellsjökull volcano (Iceland): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 10 hours ago. The quake, which might be volcanic in origin, was located at a depth of 4.6 km depth at 15 km distance NW from the volcano.
Earthquake details:
2.1 quake 3.7 Km WSW of Hellissandur, Iceland, 14 Mar 2021 11:25 am (GMT +0) (15 km NW)All earthquakes at Snaefellsjökull

Tacora volcano (Northern Chile, Bolivia and Argentina): magnitude 4.2 earthquake

A magnitude 4.2 earthquake occurred at the volcano 17 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 8 km distance NNW from the volcano.
Earthquake details:
4.2 quake Arica y Parinacota, 62 km northeast of Tacna, Peru, 13 Mar 2021 11:45 pm (GMT -5) (8 km NNW)All earthquakes at Tacora

Tindfjallajökull volcano (Iceland): magnitude 3.7 earthquake

A magnitude 3.7 earthquake occurred at the volcano 20 hours ago. The quake, which might be volcanic in origin, was located at a depth of 12.8 km depth at 10 km distance ESE from the volcano.
Earthquake details:
3.7 quake 9.0 Km NNE of Básar, Iceland, 14 Mar 2021 1:56 am (GMT +0) (10 km ESE)All earthquakes at Tindfjallajökull
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