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Volcano earthquake report for Saturday, 9 Jan 2021

Quakes detected near: Bardarbunga (5 quakes between mag 0.4-1.9), Clear Lake (14 quakes between mag 0.3-1.3), Coatepeque (1 quake mag 2.6), Coso (6 quakes between mag 0.3-1.3), Eyafjallajökull (2 quakes between mag 1.9-2.4), Griggs (1 quake mag 1.1)
Grímsnes (2 quakes between mag 0.8-1.4), Hulubelu (1 quake mag 2.8), Krísuvík (3 quakes between mag 0.8-2.0), Long Valley (2 quakes between mag 1.6-2.5), Makaturing (2 quakes between mag 2.3-2.7), Mammoth Mountain (2 quakes between mag 1.5-2.2), Mauna Loa (4 quakes between mag 1.8-3.2), Prestahnukur (7 quakes between mag 0.9-1.8), Reykjanes (10 quakes between mag 0.2-1.6), Sibualbuali (1 quake mag 1.9), Tindfjallajökull (1 quake mag 2.4), Tjörnes Fracture Zone (1 quake mag 2.1), Torfajökull (2 quakes between mag 1.5-1.8) (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): 14 earthquakes up to magnitude 1.3

Possible earthquake swarm: 14 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 52 minutes ago. Hypocenter depths ranged between 2.9 and 0.2 km.
Earthquake details: (only 5 largest)
1.3 quake 3.7 mi west of Cobb, Lake County, California, USA, 8 Jan 4:07 pm (GMT -8) (17 km S)
1.3 quake Sonoma County, 4.5 mi west of Cobb, Lake County, California, USA, 9 Jan 9:40 am (GMT -8) (17 km S)
1.3 quake 3.7 mi west of Cobb, Lake County, California, USA, 8 Jan 3:58 pm (GMT -8) (17 km S)
1.2 quake 1.3 mi southwest of Cobb, Lake County, California, USA, 9 Jan 2:56 pm (GMT -8) (18 km S)
0.9 quake Sonoma County, 4.7 mi west of Cobb, Lake County, California, USA, 9 Jan 2:00 am (GMT -8) (16 km SSW)
All earthquakes at Clear Lake

Coatepeque volcano (El Salvador): magnitude 2.6 earthquake

A magnitude 2.6 earthquake occurred at the volcano 12 hours ago. The quake, which might be volcanic in origin, was located at a depth of 4.0 km depth at 13 km distance ENE from the volcano.
Earthquake details:
2.6 quake 7.2 km north of Ciudad Arce, Departamento de La Libertad, El Salvador, 9 Jan 6:17 am (GMT -6) (13 km ENE)
All earthquakes at Coatepeque

Eyafjallajökull volcano (Iceland): 2 earthquakes up to magnitude 2.4

2 earthquakes occurred near (under) the volcano during 6 hours, the last being recorded quake 14 hours ago. Hypocenter depths ranged between 1.1 and 1.1 km.
Earthquake details:
2.4 quake 7.0 Km WSW of Goðabunga, Iceland, 9 Jan 3:00 am (GMT +0) (13 km E)
1.9 quake 1.1 Km E of Básar, Iceland, 9 Jan 9:23 am (GMT +0) (10 km NE)
All earthquakes at Eyafjallajökull

Hulubelu volcano (Sumatra): magnitude 2.8 earthquake

A magnitude 2.8 earthquake occurred at the volcano 21 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 1 km distance SW from the volcano.
Earthquake details:
2.8 quake 66 km southwest of Kotabumi, Lampung, Indonesia, 9 Jan 9:20 am (GMT +7) (1 km SW)
All earthquakes at Hulubelu

Long Valley volcano (California): 2 earthquakes up to magnitude 2.5

2 earthquakes occurred near (under) the volcano during 62 seconds, the last being recorded quake 21 hours ago. Hypocenter depths ranged between 6.1 and 5.7 km.
Earthquake details:
2.5 quake 12 mi southeast of Mammoth Lakes, Mono County, California, USA, 8 Jan 7:03 pm (GMT -8) (17 km SSE)
1.6 quake 3.9 mi west of Aspen Springs, Mono County, California, USA, 8 Jan 7:04 pm (GMT -8) (18 km SSE)
All earthquakes at Long Valley

Makaturing volcano (Mindanao): 2 earthquakes up to magnitude 2.7

2 earthquakes occurred near (under) the volcano during 9 hours, the last being recorded quake 53 minutes ago. Hypocenter depths ranged between 8.0 and 7.0 km.
Earthquake details:
2.7 quake 0.3 km north of Barira, Province of Maguindanao, Autonomous Region in Muslim Mindanao, Philippines, 10 Jan 6:57 am (GMT +8) (18 km S)
2.3 quake 4 km southeast of Bayanga, Province of Maguindanao, Autonomous Region in Muslim Mindanao, Philippines, 9 Jan 9:43 pm (GMT +8) (18 km SSW)
All earthquakes at Makaturing

Mammoth Mountain volcano (California): 2 earthquakes up to magnitude 2.2

2 earthquakes occurred near (under) the volcano during 49 minutes, the last being recorded quake 22 hours ago. Hypocenter depths ranged between 1.0 and 0.2 km.
Earthquake details:
2.2 quake 5.8 mi west of Mammoth Lakes, Mono County, California, USA, 8 Jan 5:22 pm (GMT -8) (4 km WSW)
1.5 quake 4.7 mi west of Mammoth Lakes, Mono County, California, USA, 8 Jan 4:33 pm (GMT -8) (2 km W)
All earthquakes at Mammoth Mountain

Mauna Loa volcano (Hawai'i (Big Island)): 4 earthquakes up to magnitude 3.2

4 earthquakes occurred near (under) the volcano during 15 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 3.4 and 1.5 km.
Earthquake details:
3.2 quake 16 mi east of Honaunau-Napoopoo, Hawaii County, USA, 8 Jan 4:23 pm (GMT -10) (6 km S)
2.5 quake 13 mi east of Honaunau-Napoopoo, Hawaii County, USA, 9 Jan 2:13 am (GMT -10) (7 km WNW)
2.0 quake 14 mi east of Honaunau-Napoopoo, Hawaii County, USA, 9 Jan 3:40 am (GMT -10) (7 km WNW)
1.8 quake 14 mi east of Honaunau-Napoopoo, Hawaii County, USA, 9 Jan 7:50 am (GMT -10) (7 km NW)
All earthquakes at Mauna Loa

Tindfjallajökull volcano (Iceland): magnitude 2.4 earthquake

A magnitude 2.4 earthquake occurred at the volcano 24 hours ago. The quake, which might be volcanic in origin, was located at a depth of 9.9 km depth at 9 km distance ESE from the volcano.
Earthquake details:
2.4 quake 8.1 Km NNE of Básar, Iceland, 9 Jan 12:17 am (GMT +0) (9 km ESE)
All earthquakes at Tindfjallajökull

Tjörnes Fracture Zone volcano (Iceland): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 17 hours ago. The quake, which might be volcanic in origin, was located at a depth of 11.5 km depth at 15 km distance E from the volcano.
Earthquake details:
2.1 quake 12.7 Km W of Kópasker, Iceland, 9 Jan 6:36 am (GMT +0) (15 km E)
All earthquakes at Tjörnes Fracture Zone

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