Volcano earthquake report for Monday, 30 Nov 2020
World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius during the past 24 hours on 30 Nov 2020 Number in brackets indicate nr of quakes.

Quakes detected near: Biliran (2 quakes between mag 3.0-3.0), Clear Lake (29 quakes between mag 0.4-1.8), Don Joao de Castro Bank (1 quake mag 2.9), Fonualei (1 quake mag 5.5), Hrómundartindur (1 quake mag 1.3), Kilauea (79 quakes between mag 0.4-3.3)
Krísuvík (5 quakes between mag 0.7-2.4), Lewotolo (1 quake mag 1.8), Mauna Kea (1 quake mag 2.8), Mauna Loa (3 quakes between mag 1.5-2.8), Qal'eh Hasan Ali (1 quake mag 3.0), Salton Buttes (1 quake mag 1.1), Tjörnes Fracture Zone (6 quakes between mag 0.4-1.3), Vesuvius (3 quakes between mag 0.4-1.2), unnamed submarine (1 quake mag 5.5) (updated 20h50)

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:


Biliran volcano (Central Philippines): 2 earthquakes up to magnitude 3.0

2 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 1 hour 10 minutes ago. Hypocenter depths ranged between 13.0 and 12.0 km.
Earthquake details:
3.0 quake 1.1 km southeast of Leyte, Eastern Visayas, Philippines, 1 Dec 3.39 am (GMT +8) (19 km SSW)3.0 quake Philippine Sea, 18 km southwest of Caibiran, Biliran, Eastern Visayas, Philippines, 30 Nov 7.02 am (GMT +8) (11 km SW)All earthquakes at Biliran

Clear Lake volcano (California): 29 earthquakes up to magnitude 1.8

Possible earthquake swarm: 29 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 2 hours ago. Hypocenter depths ranged between 7.2 and 0.2 km.
Earthquake details: (only 5 largest)
1.8 quake Sonoma County, 4.6 mi west of Cobb, California, USA, 29 Nov 1.27 pm (GMT -8) (18 km S)1.5 quake 8km WNW of Cobb, CA, USA, 29 Nov 4.43 pm (GMT -8) (15 km SSW)1.1 quake 7km NW of The Geysers, CA, USA, 30 Nov 12.48 am (GMT -8) (16 km SSW)1.1 quake 3km NW of Cobb, CA, USA, 30 Nov 6.07 am (GMT -8) (15 km S)1.0 quake 3km NW of The Geysers, CA, USA, 30 Nov 3.52 am (GMT -8) (19 km S)All earthquakes at Clear Lake

Don Joao de Castro Bank volcano (Azores): magnitude 2.9 earthquake

A magnitude 2.9 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 8 km distance SE from the volcano.
Earthquake details:
2.9 quake North Atlantic Ocean, 75 km southeast of Angra do Heroísmo, Azores, Portugal, 30 Nov 5.55 am (GMT -1) (8 km SE)All earthquakes at Don Joao de Castro Bank

Fonualei volcano (Tonga): magnitude 5.5 earthquake

A magnitude 5.5 earthquake occurred at the volcano 21 hours ago. The quake, which might be volcanic in origin, was located at a depth of 2.0 km depth at 12 km distance NNW from the volcano.
Earthquake details:
5.5 quake South Pacific Ocean, 120 km northwest of Neiafu, Vava‘u, Tonga, 30 Nov 12.56 pm (GMT +13) (12 km NNW)All earthquakes at Fonualei

Kilauea volcano (Hawai'i (Big Island)): 79 earthquakes up to magnitude 3.3

Possible earthquake swarm: 79 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 1 hour 35 minutes ago. Hypocenter depths ranged between 8.1 and 0.0 km.
Earthquake details: (only 5 largest)
3.3 quake 3.2 mi southwest of Volcano Village, Hawaii, USA, 30 Nov 2.06 am (GMT -10) (2 km E)2.3 quake 4.9 mi south of Fern Forest, Hawaii, USA, 29 Nov 3.56 pm (GMT -10) (18 km E)2.1 quake 4.7 mi southwest of Volcano Village, Hawaii, USA, 29 Nov 4.00 pm (GMT -10) (1 km SSW)2.1 quake 3.3 mi southwest of Volcano Village, Hawaii, USA, 29 Nov 6.36 pm (GMT -10) (2 km E)2.1 quake 3.5 mi southwest of Volcano Village, Hawaii, USA, 30 Nov 1.59 am (GMT -10) (1 km NE)All earthquakes at Kilauea

Krísuvík volcano (Iceland): 5 earthquakes up to magnitude 2.4

5 earthquakes occurred near (under) the volcano during 17 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 9.7 and 3.2 km.
Earthquake details:
2.4 quake 2.1 Km NE of Krýsuvík, Iceland, 29 Nov 10.07 pm (GMT +0) (4 km SE)0.9 quake 1.0 Km W of Krýsuvík, Iceland, 30 November 05:17 UTC (5 km S)0.8 quake 2.2 Km NNE of Krýsuvík, Iceland, 30 November 01:00 UTC (4 km SE)0.8 quake 2.8 Km WNW of Krýsuvík, Iceland, 30 November 02:36 UTC (3 km S)0.7 quake 2.3 Km SSW of Fagradalsfjall, Iceland, 30 Nov 3.36 pm (GMT +0) (11 km WSW)All earthquakes at Krísuvík

Mauna Kea volcano (Hawai'i (Big Island)): magnitude 2.8 earthquake

A magnitude 2.8 earthquake occurred at the volcano 10 hours ago. The quake, which might be volcanic in origin, was located at a depth of 11.0 km depth at 9 km distance NE from the volcano.
Earthquake details:
2.8 quake 22 mi northwest of Hilo, Hawaii, USA, 30 Nov 1.01 am (GMT -10) (9 km NE)All earthquakes at Mauna Kea

Mauna Loa volcano (Hawai'i (Big Island)): 3 earthquakes up to magnitude 2.8

3 earthquakes occurred near (under) the volcano during 13 hours, the last being recorded quake 7 hours ago. Hypocenter depths ranged between 6.3 and 2.9 km.
Earthquake details:
2.8 quake 9.7 mi east of Honaunau-Napoopoo, Hawaii, USA, 29 Nov 3.31 pm (GMT -10) (13 km WSW)1.8 quake 13 mi east of Honaunau-Napoopoo, Hawaii, USA, 30 Nov 4.04 am (GMT -10) (8 km NW)1.5 quake 23 Km E of Honaunau-Napoopoo, Hawaii, USA, 30 Nov 4.04 am (GMT -10) (4 km NW)All earthquakes at Mauna Loa

Qal'eh Hasan Ali volcano (Iran): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 7 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 15 km distance E from the volcano.
Earthquake details:
3.0 quake Pabaneh, 70 km northwest of Bam, Kerman, Iran, 30 Nov 4.54 pm (GMT +3:30) (15 km E)All earthquakes at Qal'eh Hasan Ali

unnamed submarine volcano (Admiralty Islands): magnitude 5.5 earthquake

A magnitude 5.5 earthquake occurred at the volcano 1 hour 36 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 10 km distance NW from the volcano.
Earthquake details:
5.5 quake Bismarck Sea, 116 km southeast of Lorengau, Manus District, Manus Province, Papua New Guinea, 1 Dec 5.14 am (GMT +10) (10 km NW)All earthquakes at unnamed submarine
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