Volcano earthquake report for Tuesday, 17 Nov 2020

Quakes detected near: Askja (2 quakes between mag 0.6-1.1), Clear Lake (18 quakes between mag 0.3-1.3), Coso (8 quakes between mag 0.6-2.0), Etna (1 quake mag 2.0), Fremrinamur (1 quake mag 1.2), Herdubreid (15 quakes between mag 0.5-1.5)
Hrómundartindur (14 quakes between mag 0.3-1.7), Katla (3 quakes between mag 0.4-1.3), Kilauea (4 quakes between mag 0.9-2.3), Krísuvík (7 quakes between mag 0.1-1.1), Mauna Loa (3 quakes between mag 1.8-2.1), Reykjanes (35 quakes between mag 0.1-1.4), Salton Buttes (1 quake mag 1.6), San Cristobal (2 quakes between mag 1.9-2.7), Tjörnes Fracture Zone (3 quakes between mag 0.6-1.2), Torfajökull (2 quakes between mag 1.0-2.2) (updated 15h50)

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): 18 earthquakes up to magnitude 1.3

Possible earthquake swarm: 18 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 7.4 and 0.6 km.
Earthquake details: (only 5 largest)
1.3 quake 13 mi southwest of Clearlake, California, 16 November 19:00 UTC (16 km SSW)1.1 quake 14 mi southwest of Clearlake, Lake County, California, 17 November 11:03 UTC (16 km SSW)1.1 quake 13 mi southwest of Clearlake, California, 16 November 16:09 UTC (17 km S)1.0 quake 10.6 mi southwest of Clearlake, California, 16 November 19:51 UTC (15 km S)0.9 quake 11 mi southwest of Clearlake, Lake County, California, 17 November 10:21 UTC (17 km S)All earthquakes at Clear Lake

Herdubreid volcano (Iceland): 15 earthquakes up to magnitude 1.5

Possible earthquake swarm: 15 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 12.6 and 0.1 km.
Earthquake details: (only 5 largest)
1.5 quake 2.4 Km N of Herðubreið, Iceland, 17 November 03:28 UTC (2 km N)1.4 quake 2.0 Km N of Herðubreið, Iceland, 17 November 11:32 UTC (1 km N)1.4 quake 5.9 Km SE of Herðubreið, Iceland, 16 November 16:39 UTC (7 km SE)1.1 quake 2.1 Km NNW of Herðubreið, Iceland, 17 November 06:39 UTC (2 km NNW)1.0 quake 1.5 Km W of Herðubreið, Iceland, 17 November 09:20 UTC (2 km WSW)All earthquakes at Herdubreid

Hrómundartindur volcano (Iceland): 14 earthquakes up to magnitude 1.7

Possible earthquake swarm: 14 earthquakes occurred near (under) the volcano during 7 hours, the last being recorded quake 12 hours ago. Hypocenter depths ranged between 5.7 and 2.7 km.
Earthquake details: (only 5 largest)
1.7 quake 1.9 Km N of Hellisheiðarvirkjun, Iceland, 16 November 21:49 UTC (9 km WSW)1.7 quake 1.8 Km N of Hellisheiðarvirkjun, Iceland, 16 November 21:47 UTC (10 km WSW)1.3 quake 2.0 Km N of Hellisheiðarvirkjun, Iceland, 16 November 21:49 UTC (9 km WSW)1.3 quake 2.0 Km NNE of Hellisheiðarvirkjun, Iceland, 16 November 21:47 UTC (9 km WSW)1.2 quake 3.2 Km NNW of Hveragerði, Iceland, 16 November 23:07 UTC (5 km S)All earthquakes at Hrómundartindur

Kilauea volcano (Hawai'i (Big Island)): 4 earthquakes up to magnitude 2.3

4 earthquakes occurred near (under) the volcano during 5 hours, the last being recorded quake 13 hours ago. Hypocenter depths ranged between 7.1 and 1.2 km.
Earthquake details:
2.3 quake 14 mi west of Volcano, Hawaii, 17 November 01:38 UTC (16 km W)1.8 quake 14 mi south of Mountain View, Hawaii, 17 November 02:58 UTC (19 km ESE)1.7 quake 14 mi southwest of Mountain View, Hawaii, 17 November 00:35 UTC (2 km NE)0.9 quake 14 mi south of Mountain View, Hawaii, 16 November 22:27 UTC (19 km ESE)All earthquakes at Kilauea

Mauna Loa volcano (Hawai'i (Big Island)): 3 earthquakes up to magnitude 2.1

3 earthquakes occurred near (under) the volcano during 5 hours, the last being recorded quake 18 hours ago. Hypocenter depths ranged between 7.1 and 3.8 km.
Earthquake details:
2.1 quake 14 mi west of Volcano, Hawaii, 16 November 16:34 UTC (17 km E)2.0 quake 15 mi west of Volcano, Hawaii, 16 November 21:42 UTC (15 km E)1.8 quake 30 mi southwest of Hilo, Hawaii, 16 November 21:18 UTC (15 km E)All earthquakes at Mauna Loa

Reykjanes volcano (Iceland): 35 earthquakes up to magnitude 1.4

Possible earthquake swarm: 35 earthquakes occurred near (under) the volcano during 15 hours, the last being recorded quake 7 hours ago. Hypocenter depths ranged between 6.4 and 2.9 km.
Earthquake details: (only 5 largest)
1.4 quake 2.5 Km SSW of Fagradalsfjall, Iceland, 16 November 20:08 UTC (11 km E)1.2 quake 1.8 Km SSW of Grindavík, Iceland, 17 November 03:00 UTC (8 km SSE)1.2 quake 2.8 Km SSW of Fagradalsfjall, Iceland, 16 November 19:57 UTC (11 km E)1.1 quake 5.3 Km WSW of Fagradalsfjall, Iceland, 17 November 04:03 UTC (7 km E)1.1 quake 2.8 Km SSW of Fagradalsfjall, Iceland, 16 November 19:06 UTC (11 km E)All earthquakes at Reykjanes

San Cristobal volcano (Nicaragua): 2 earthquakes up to magnitude 2.7

2 earthquakes occurred near (under) the volcano during 3 minutes, the last being recorded quake 12 hours ago. Hypocenter depths ranged between 5.0 and 5.0 km.
Earthquake details:
2.7 quake 22 km east of Chinandega, Nicaragua, 16 Nov 9.28 pm (GMT -6) (7 km E)1.9 quake 17 km northeast of Chichigalpa, Nicaragua, 2020-11-16 21:25:38 (12 km E)All earthquakes at San Cristobal

Torfajökull volcano (Iceland): 2 earthquakes up to magnitude 2.2

2 earthquakes occurred near (under) the volcano during 6 hours, the last being recorded quake 18 hours ago. Hypocenter depths ranged between 0.3 and 0.1 km.
Earthquake details:
2.2 quake 10.4 Km NNW of Álftavatn, Iceland, 16 November 16:05 UTC (6 km WNW)1.0 quake 10.0 Km NNW of Álftavatn, Iceland, 16 November 21:35 UTC (5 km WNW)All earthquakes at Torfajökull
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