Volcano earthquake report for Thursday, 12 Jan 2023
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 12 Jan 2023 Number in brackets indicate nr of quakes.

Quakes detected near: Arenal (1 quake mag 2.7), Clear Lake (16 quakes between mag 0.3-1.4), Coatepeque (1 quake mag 1.6), Coso (3 quakes between mag 0.6-1.7), Cuernos de Negros (1 quake mag 3.0), Eldey (1 quake mag 1.8)
Etna (3 quakes between mag 1.4-2.3), Eyafjallajökull (1 quake mag 1.3), Fourpeaked (1 quake mag 2.0), Ilopango (1 quake mag 1.8), Iztaccíhuatl (1 quake mag 3.0), Katla (1 quake mag 1.3), Kerlingarfjöll (1 quake mag 1.8), Kozushima (1 quake mag 2.5), Loihi (1 quake mag 1.8), Machin (1 quake mag 2.1), Mayotte Island (2 quakes between mag 1.0-1.5), Moyuta (2 quakes between mag 2.4-2.9), Okataina (Tarawera) (3 quakes between mag 2.1-2.2), São Jorge (1 quake mag 1.6), Taupo (4 quakes between mag 1.3-1.8) (updated 23h50)

Note: Earthquakes within 20 km from and at depths less than 50 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:



Arenal volcano (Costa Rica): magnitude 2.7 earthquake

A magnitude 2.7 earthquake occurred at the volcano 18 hours ago. The quake, which might be volcanic in origin, was located at a depth of 3.0 km depth at 2 km distance NNE from the volcano.
Earthquake details:
2.7 quake 34 km northwest of Ciudad Quesada, San Carlos, Provincia de Alajuela, Costa Rica, Jan 11, 2023 11:32 pm (GMT -6) (2 km NNE)All earthquakes at Arenal

Clear Lake volcano (California): 16 earthquakes up to magnitude 1.4

Possible earthquake swarm: 16 earthquakes occurred near (under) the volcano during 20 hours, the last being recorded quake 1 hour 34 minutes ago. Hypocenter depths ranged between 8.0 and 0.8 km.
Earthquake details: (only 5 largest)
1.4 quake 8km WNW of The Geysers, CA, Jan 12, 2023 2:16 pm (GMT -8) (18 km SSW)1.3 quake 10km WNW of The Geysers, CA, Jan 11, 2023 8:58 pm (GMT -8) (18 km SSW)1.3 quake 5km WNW of Cobb, CA, Jan 11, 2023 8:00 pm (GMT -8) (15 km S)1.1 quake 5km NW of The Geysers, CA, Jan 12, 2023 1:08 pm (GMT -8) (17 km S)1.1 quake 6km WNW of Cobb, CA, Jan 12, 2023 11:07 am (GMT -8) (15 km S)All earthquakes at Clear Lake

Cuernos de Negros volcano (Central Philippines): 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 4.0 km depth at 1 km distance W from the volcano.
Earthquake details:
3.0 quake 17 km southwest of Dumaguete City, Philippines, Jan 13, 2023 12:52 am (GMT +8) (1 km W)All earthquakes at Cuernos de Negros

Etna volcano (Italy): 3 earthquakes up to magnitude 2.3

3 earthquakes occurred near (under) the volcano during 14 hours, the last being recorded quake 9 hours ago. Hypocenter depths ranged between 3.3 and 1.0 km.
Earthquake details:
2.3 quake 1.4 km northeast of Biancavilla, Catania, Sicily, Italy, Jan 12, 2023 3:22 pm (GMT +1) (15 km SW)1.9 quake 2.2 km east of Biancavilla, Catania, Sicily, Italy, Jan 12, 2023 3:40 pm (GMT +1) (15 km SW)1.4 quake Italy: 11 Km SE Maletto (CT) Jan 12, 2023 1:51 am (GMT +1) (3 km NNW)All earthquakes at Etna

Iztaccíhuatl volcano (Western & Central Mexico): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 20 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 12 km distance WNW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 14 km west of Ciudad Nezahualcoyotl, Mexico, Jan 11, 2023 9:20 pm (GMT -6) (12 km WNW)All earthquakes at Iztaccíhuatl

Kozushima volcano (Izu Islands): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 12 hours ago. The quake, which might be volcanic in origin, was located at a depth of 11.1 km depth at 17 km distance ESE from the volcano.
Earthquake details:
2.5 quake Philippine Sea, 68 km southeast of Shimoda, Prefectura de Shizuoka, Japan, Jan 12, 2023 8:32 pm (GMT +9) (17 km ESE)All earthquakes at Kozushima

Machin volcano (Colombia): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 11 hours ago. The quake, which might be volcanic in origin, was located at a depth of 3.2 km depth at 1 km distance SSW from the volcano.
Earthquake details:
2.1 quake 18 km west of Ibagué, Departamento de Tolima, Colombia, Jan 12, 2023 8:16 am (GMT -5) (1 km SSW)All earthquakes at Machin

Moyuta volcano (Guatemala): 2 earthquakes up to magnitude 2.9

2 earthquakes occurred near (under) the volcano during 8 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 13.0 and 4.0 km.
Earthquake details:
2.9 quake 34 km south of Jutiapa, Departamento de Jutiapa, Guatemala, Jan 12, 2023 5:10 am (GMT -6) (12 km ESE)2.4 quake Departamento de Jutiapa, Guatemala, 17 km northwest of Ahuachapan, El Salvador, Jan 12, 2023 1:38 pm (GMT -6) (13 km ESE)All earthquakes at Moyuta

Okataina (Tarawera) volcano (New Zealand): 3 earthquakes up to magnitude 2.2

3 earthquakes occurred near (under) the volcano during 3 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 4.7 and 3.2 km.
Earthquake details:
2.2 quake 1.8 km northeast of Kawerau, Bay of Plenty, New Zealand, Jan 13, 2023 5:31 am (GMT +13) (19 km E)2.1 quake 1.4 km northeast of Kawerau, Bay of Plenty, New Zealand, Jan 13, 2023 8:06 am (GMT +13) (19 km E)2.1 quake 1.2 km northeast of Kawerau, Bay of Plenty, New Zealand, Jan 13, 2023 4:59 am (GMT +13) (19 km E)All earthquakes at Okataina (Tarawera)
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/201422/Volcano-earthquake-report-for-Thursday-12-Jan-2023.html