Volcano earthquake report for Saturday, 30 Jan 2021
World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius during the past 24 hours on 30 Jan 2021 Number in brackets indicate nr of quakes.

Quakes detected near: Akyarlar (1 quake mag 2.3), Biliran (1 quake mag 3.0), Buzzard Creek (1 quake mag 1.8), Clear Lake (19 quakes between mag 0.4-1.2), Coso (9 quakes between mag 0.2-1.7), Etna (2 quakes between mag 1.7-1.8)
Katla (2 quakes between mag 0.4-1.2), Kilauea (1 quake mag 1.8), Krísuvík (62 quakes between mag 0.2-1.2), Kverkfjöll (1 quake mag 1.1), La Palma (1 quake mag 1.2), Nantai (2 quakes between mag 2.7-3.0), Okataina (Tarawera) (6 quakes between mag 1.5-2.7), Reykjanes (94 quakes between mag 0.1-1.8), Salton Buttes (1 quake mag 1.3), Santo Tomas (1 quake mag 2.6), Sousaki (1 quake mag 2.0) (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:


Akyarlar volcano (Turkey): 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 8.7 km depth at 4 km distance SE from the volcano.
Earthquake details:
2.3 quake Aegean Sea, 8.1 km northeast of Kos, Dodecanese, South Aegean, Greece, 30 Jan 2021 5:30 pm (GMT +3) (4 km SE)All earthquakes at Akyarlar

Biliran volcano (Central Philippines): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 3 hours ago. The quake, which might be volcanic in origin, was located at a depth of 12.0 km depth at 10 km distance SSW from the volcano.
Earthquake details:
3.0 quake Philippines Sea, 24 km northwest of Carigara, Philippines, 31 Jan 2021 5:07 am (GMT +8) (10 km SSW)All earthquakes at Biliran

Clear Lake volcano (California): 19 earthquakes up to magnitude 1.2

Possible earthquake swarm: 19 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 1 hour 56 minutes ago. Hypocenter depths ranged between 3.3 and 1.1 km.
Earthquake details: (only 5 largest)
1.2 quake 7km W of Cobb, CA, USA, 29 Jan 2021 10:58 pm (GMT -8) (16 km S)1.2 quake 7km NW of The Geysers, CA, USA, 29 Jan 2021 8:41 pm (GMT -8) (18 km SSW)1.1 quake 8km W of Cobb, CA, USA, 29 Jan 2021 5:11 pm (GMT -8) (15 km SSW)1.1 quake 6km WNW of Cobb, CA, USA, 29 Jan 2021 6:13 pm (GMT -8) (15 km S)0.9 quake 4km W of Cobb, CA, USA, 29 Jan 2021 10:43 pm (GMT -8) (17 km S)All earthquakes at Clear Lake

Krísuvík volcano (Iceland): 62 earthquakes up to magnitude 1.2

Possible earthquake swarm: 62 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 8.3 and 1.1 km.
Earthquake details: (only 5 largest)
1.2 quake 0.8 Km ESE of Fagradalsfjall, Iceland, 30 January 2021 10:42 GMT (8 km WSW)1.1 quake 0.8 Km ESE of Fagradalsfjall, Iceland, 30 January 2021 10:32 GMT (9 km WSW)1.1 quake 1.0 Km E of Fagradalsfjall, Iceland, 30 January 2021 09:32 GMT (8 km WSW)0.9 quake 5.6 Km S of Fagradalsfjall, Iceland, 30 Jan 2021 12:34 pm (GMT +0) (12 km SW)0.9 quake 1.0 Km ESE of Fagradalsfjall, Iceland, 30 January 2021 10:34 GMT (8 km WSW)All earthquakes at Krísuvík

Nantai volcano (Honshu): 2 earthquakes up to magnitude 3.0

2 earthquakes occurred near (under) the volcano during 43 minutes, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 7.9 and 7.7 km.
Earthquake details:
3.0 quake Nikko-shi, Tochigi, 28 km north of Kiryū, Gunma, Japan, 31 Jan 2021 6:18 am (GMT +9) (15 km SSW)2.7 quake 22 km southwest of Nikkō, Nikko-shi, Tochigi, Japan, 31 Jan 2021 5:35 am (GMT +9) (15 km SSW)All earthquakes at Nantai

Okataina (Tarawera) volcano (New Zealand): 6 earthquakes up to magnitude 2.7

6 earthquakes occurred near (under) the volcano during 13 hours, the last being recorded quake 7 hours ago. Hypocenter depths ranged between 8.2 and 4.2 km.
Earthquake details: (only 5 largest)
2.7 quake 23 km east of Rotorua, Bay of Plenty, New Zealand, 30 Jan 2021 5:33 pm (GMT +13) (3 km N)2.5 quake 24 km northeast of Rotorua, Bay of Plenty, New Zealand, 31 Jan 2021 5:49 am (GMT +13) (8 km N)1.8 quake New Zealand 31 Jan 2021 6:09 am (GMT +13) (8 km N)1.7 quake New Zealand 31 Jan 2021 6:07 am (GMT +13) (8 km N)1.5 quake New Zealand 31 Jan 2021 5:54 am (GMT +13) (8 km N)All earthquakes at Okataina (Tarawera)

Reykjanes volcano (Iceland): 94 earthquakes up to magnitude 1.8

Possible earthquake swarm: 94 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 59 minutes ago. Hypocenter depths ranged between 8.9 and 0.1 km.
Earthquake details: (only 5 largest)
1.8 quake 4.8 Km WSW of Fagradalsfjall, Iceland, 30 January 2021 09:05 GMT (8 km E)1.5 quake 3.3 Km NE of Grindavík, Iceland, 30 January 2021 05:17 GMT (7 km ESE)1.4 quake 3.4 Km NE of Grindavík, Iceland, 30 January 2021 03:23 GMT (7 km ESE)1.2 quake 3.9 Km NE of Grindavík, Iceland, 30 January 2021 01:28 GMT (7 km ESE)1.1 quake 5.0 Km NE of Grindavík, Iceland, 30 Jan 2021 3:48 pm (GMT +0) (7 km ESE)All earthquakes at Reykjanes

Santo Tomas volcano (Luzon Island): magnitude 2.6 earthquake

A magnitude 2.6 earthquake occurred at the volcano 24 hours ago. The quake, which might be volcanic in origin, was located at a depth of 16.0 km depth at 17 km distance NW from the volcano.
Earthquake details:
2.6 quake 13 km northeast of Aringay, Province of La Union, Ilocos, Philippines, 30 Jan 2021 7:54 am (GMT +8) (17 km NW)All earthquakes at Santo Tomas
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