Volcano earthquake report for Wednesday, 31 Dec 2025
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 31 Dec 2025 Number in brackets indicate nr of quakes.

Quakes detected near: Akita-Komagatake (2 quakes between mag 1.1-1.6), Akita-Yake-yama (3 quakes between mag 0.6-1.2), Aso (44 quakes between mag 0.1-3.1), Atacazo (1 quake mag 3.0), Brennisteinsfjöll (18 quakes between mag 0.3-2.2), Camiguin de Babuyanes (1 quake mag 2.0)
Campi Flegrei (Phlegrean Fields) (2 quakes between mag 0.3-1.2), Clear Lake (59 quakes between mag 0.2-3.0), Cleveland (1 quake mag 1.0), Coso (1 quake mag 1.1), El Chichón (1 quake mag 2.1), Eldey (1 quake mag 2.1), Etna (4 quakes between mag 1.3-2.1), Fisher (2 quakes between mag 1.2-1.2), Geureudong (1 quake mag 2.9), Hengill (1 quake mag 1.1), Hiuchi (1 quake mag 1.2), Ijen (1 quake mag 2.5), Iwate (1 quake mag 1.0), Kalatungan (1 quake mag 1.5), Kilauea (1 quake mag 1.8), Kozushima (2 quakes between mag 1.7-2.2), La Palma (1 quake mag 1.3), Ljósufjöll (7 quakes between mag 0.5-1.3), Loihi (1 quake mag 1.8), Marapi (1 quake mag 2.5), Masaya (1 quake mag 2.2), Maunaloa (1 quake mag 1.8), Methana (1 quake mag 1.8), Morne Plat Pays (1 quake mag 1.7), Mount St. Helens (2 quakes between mag 0.1-1.5), Nantai (2 quakes between mag 0.6-1.0), Nasu (1 quake mag 3.0), Ontake-san (9 quakes between mag 0.1-2.2), Sekincau Belirang (1 quake mag 2.4), Socompa (1 quake mag 3.0), Suwanose-jima (1 quake mag 1.6), Svartsengi (7 quakes between mag 0.4-1.8), Tandikat (1 quake mag 2.6), Westdahl (2 quakes between mag 1.1-1.8), White Island (1 quake mag 2.6) (updated 20h50)

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:



Aso volcano (Kyushu): 44 earthquakes up to magnitude 3.1

Possible earthquake swarm: 44 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 1 hour 47 minutes ago. Hypocenter depths ranged between 13.20 and 4.30 km.
Earthquake details: (only 5 largest)
3.1 quake 7.3 km north of Aso, Kumamoto, Japan, Dec 31, 2025 08:26 pm (GMT +9) (13 km N)
2.8 quake 7.6 km northeast of Aso, Kumamoto, Japan, Dec 31, 2025 08:52 pm (GMT +9) (13 km N)
1.8 quake 8.2 km northeast of Aso, Kumamoto, Japan, Dec 31, 2025 07:21 pm (GMT +9) (14 km N)
1.6 quake 7.7 km northeast of Aso, Kumamoto, Japan, Dec 31, 2025 08:51 pm (GMT +9) (13 km N)
1.2 quake 7.9 km northeast of Aso, Kumamoto, Japan, Dec 31, 2025 08:53 pm (GMT +9) (13 km N)
All earthquakes at Aso

Atacazo volcano (Ecuador): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 14 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 18 km distance ENE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 8.1 km southeast of Quito, Provincia de Pichincha, Ecuador, Dec 31, 2025 01:29 am (GMT -5) (18 km ENE)
All earthquakes at Atacazo

Brennisteinsfjöll volcano (Reykjanes Peninsula, Iceland): 18 earthquakes up to magnitude 2.2

Possible earthquake swarm: 18 earthquakes occurred near (under) the volcano during 18 hours, the last being recorded quake 47 minutes ago. Hypocenter depths ranged between 8.10 and 3.40 km.
Earthquake details: (only 5 largest)
2.2 quake Iceland: 7.7 km W of Litla_Kaffistofan Dec 31, 2025 04:09 pm (Reykjavik time) (17 km NNE)
2.0 quake Iceland: 7.8 km W of Litla_Kaffistofan Dec 31, 2025 07:13 pm (Reykjavik time) (17 km NNE)
1.7 quake Iceland: 7.6 km W of Litla_Kaffistofan Dec 31, 2025 05:50 pm (Reykjavik time) (17 km NNE)
1.5 quake 2.9 km N of Bláfjallaskáli Dec 31, 2025 08:02 pm (Universal Time) (14 km NE)
1.4 quake Iceland: 7.0 km W of Litla_Kaffistofan Dec 31, 2025 04:11 pm (Reykjavik time) (18 km NNE)
All earthquakes at Brennisteinsfjöll

Clear Lake volcano (California): 59 earthquakes up to magnitude 3.0

Possible earthquake swarm: 59 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 1 hour 4 minutes ago. Hypocenter depths ranged between 10.00 and 1.08 km.
Earthquake details: (only 5 largest)
Reported seismic-like event (likely no quake): 13 mi northwest of Clearlake, Lake County, California, United States, Dec 31, 2025 05:55 am (GMT -8) (13 km N)
2.9 quake Sonoma County, 13 mi southwest of Clearlake, Lake County, California, United States, Dec 31, 2025 07:28 am (Los Angeles time) (16 km SSW)
2.1 quake Sonoma County, 13 mi southwest of Clearlake, Lake County, California, United States, Dec 30, 2025 09:48 pm (GMT -8) (16 km S)
2.1 quake 12 mi southwest of Clearlake, Lake County, California, United States, Dec 30, 2025 03:27 pm (GMT -8) (17 km S)
2.0 quake Sonoma County, 14 mi southwest of Clearlake, Lake County, California, United States, Dec 31, 2025 09:23 am (GMT -8) (16 km SSW)
All earthquakes at Clear Lake

El Chichón volcano (Southern Mexico): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 21 hours ago. The quake, which might be volcanic in origin, was located at a depth of 3.40 km depth at 1 km distance NW from the volcano.
Earthquake details:
2.1 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Dec 30, 2025 06:01 pm (GMT -6) (1 km NW)
All earthquakes at El Chichón

Eldey volcano (Iceland): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 14 hours ago. The quake, which might be volcanic in origin, was located at a depth of 8.00 km depth at 9 km distance ENE from the volcano.
Earthquake details:
2.1 quake Iceland: 6.8 km ENE of Eldey Dec 31, 2025 06:40 am (Reykjavik time) (9 km ENE)
All earthquakes at Eldey
Eldey is located at the beginning of the Reykjanes Ridge off the SW tip of Iceland. Its highest elevation is the top of Eldey Island, but most of the volcanic edifice is submerged.

Several eruptions occurred in historic times, last in 1926.

Etna volcano (Italy): 4 earthquakes up to magnitude 2.1

4 earthquakes occurred near (under) the volcano during 11 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 7.54 and 1.62 km.
Earthquake details:
2.1 quake 13 km west of Giarre, Catania, Sicily, Italy, Dec 31, 2025 04:39 pm (GMT +1) (4 km ESE)
1.9 quake 13 km west of Giarre, Catania, Sicily, Italy, Dec 31, 2025 02:10 pm (GMT +1) (4 km E)
1.5 quake 10.6 km west of Giarre, Catania, Sicily, Italy, Dec 31, 2025 05:11 am (GMT +1) (6 km E)
1.3 quake 10.4 km west of Giarre, Catania, Sicily, Italy, Dec 31, 2025 05:13 am (GMT +1) (6 km ESE)
All earthquakes at Etna

Geureudong volcano (Sumatra): magnitude 2.9 earthquake

A magnitude 2.9 earthquake occurred at the volcano 21 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.00 km depth at 6 km distance SW from the volcano.
Earthquake details:
2.9 quake Kabupaten Bener Meriah, 53 km south of Bireun, Indonesia, Dec 31, 2025 06:58 am (Jakarta time) (6 km SW)
All earthquakes at Geureudong

Ijen volcano (East Java): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 20 hours ago. The quake, which might be volcanic in origin, was located at a depth of 7.00 km depth at 12 km distance W from the volcano.
Earthquake details:
2.5 quake Kabupaten Bondowoso, 32 km northwest of Banyuwangi, Indonesia, Dec 31, 2025 08:00 am (GMT +7) (12 km W)
All earthquakes at Ijen

Kozushima volcano (Izu Islands): 2 earthquakes up to magnitude 2.2

2 earthquakes occurred near (under) the volcano during 1 hour 38 minutes, the last being recorded quake 1 hour 27 minutes ago. Hypocenter depths ranged between 11.30 and 8.50 km.
Earthquake details:
2.2 quake Philippine Sea, 7.1 km north of Kozu Shima Island, Tokyo, Japan, Jan 1, 2026 04:23 am (GMT +9) (7 km NNW)
1.7 quake Philippine Sea, 7.7 km north of Kozu Shima Island, Tokyo, Japan, Jan 1, 2026 02:45 am (GMT +9) (8 km NNW)
All earthquakes at Kozushima

Marapi volcano (Sumatra): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 14 hours ago. The quake, which might be volcanic in origin, was located at a depth of 6.00 km depth at 17 km distance NNW from the volcano.
Earthquake details:
2.5 quake Kabupaten Agam, 9.4 km northeast of Bukittinggi, Indonesia, Dec 31, 2025 01:45 pm (GMT +7) (17 km NNW)
All earthquakes at Marapi

Masaya volcano (Nicaragua): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 11 hours ago. The quake, which might be volcanic in origin, was located at a depth of 2.00 km depth at 10 km distance NE from the volcano.
Earthquake details:
2.2 quake 7.6 km north of Masaya, Departamento de Masaya, Nicaragua, Dec 31, 2025 03:20 am (GMT -6) (10 km NE)
All earthquakes at Masaya

Nasu volcano (Honshu): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 2 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 7 km distance NW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 25 km northwest of Nasushiobara, Tochigi, Japan, Jan 1, 2026 03:24 am (GMT +9) (7 km NW)
All earthquakes at Nasu

Ontake-san volcano (Honshu): 9 earthquakes up to magnitude 2.2

9 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 1 hour 26 minutes ago. Hypocenter depths ranged between 10.10 and 7.30 km.
Earthquake details: (only 5 largest)
2.2 quake 10.3 km northeast of Gero, Gifu, Japan, Dec 31, 2025 09:47 am (GMT +9) (15 km W)
1.4 quake 10.5 km northeast of Gero, Gifu, Japan, Dec 31, 2025 09:53 am (GMT +9) (15 km W)
0.5 quake 29 km southeast of Takayama, Gifu, Japan, Jan 1, 2026 04:24 am (GMT +9) (12 km NNE)
0.4 quake 29 km southeast of Takayama, Gifu, Japan, Jan 1, 2026 03:22 am (GMT +9) (12 km NNE)
0.4 quake 26 km west of Ina, Nagano, Japan, Dec 31, 2025 03:43 pm (GMT +9) (18 km E)
All earthquakes at Ontake-san

Sekincau Belirang volcano (Sumatra): magnitude 2.4 earthquake

A magnitude 2.4 earthquake occurred at the volcano 10 hours ago. The quake, which might be volcanic in origin, was located at a depth of 14.00 km depth at 19 km distance WNW from the volcano.
Earthquake details:
2.4 quake Kabupaten Lampung Barat, 86 km west of Kotabumi, Indonesia, Dec 31, 2025 05:42 pm (GMT +7) (19 km WNW)
All earthquakes at Sekincau Belirang

Socompa volcano (Northern Chile, Bolivia and Argentina): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 10 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 17 km distance E from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 250 km east of Antofagasta, Provincia de Antofagasta, Region de Antofagasta, Chile, Dec 31, 2025 07:32 am (GMT -3) (17 km E)
All earthquakes at Socompa

Tandikat volcano (Sumatra): magnitude 2.6 earthquake

A magnitude 2.6 earthquake occurred at the volcano 2 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 19 km distance NNW from the volcano.
Earthquake details:
2.6 quake Kabupaten Agam, 12 km west of Bukittinggi, Indonesia, Jan 1, 2026 01:42 am (GMT +7) (19 km NNW)
All earthquakes at Tandikat

White Island volcano (New Zealand): magnitude 2.6 earthquake

A magnitude 2.6 earthquake occurred at the volcano 1 hour 6 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 5.00 km depth at 14 km distance NNE from the volcano.
Earthquake details:
2.6 quake South Pacific Ocean, 66 km north of Whakatane, Bay of Plenty, New Zealand, Jan 1, 2026 08:44 am (GMT +13) (14 km NNE)
All earthquakes at White Island
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