Volcano earthquake report for Tuesday, 9 Dec 2025
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 9 Dec 2025 Number in brackets indicate nr of quakes.

Quakes detected near: Akuseki-jima (1 quake mag 1.8), Aso (21 quakes between mag 0.1-1.7), Brennisteinsfjöll (2 quakes between mag 0.3-1.2), Campi Flegrei (Phlegrean Fields) (4 quakes between mag 0.1-3.0), Chaîne des Puys (1 quake mag 1.2), Clear Lake (39 quakes between mag 0.2-2.1)
Coso (1 quake mag 1.0), El Chichón (5 quakes between mag 2.2-3.0), Eldey (1 quake mag 1.0), Etna (1 quake mag 1.4), Graciosa (1 quake mag 2.5), Hiuchi (3 quakes between mag 0.6-1.1), Ijen (2 quakes between mag 2.4-2.9), Kolumbo (3 quakes between mag 2.1-2.4), Kozushima (30 quakes between mag 1.1-3.0), Krísuvík (4 quakes between mag 0.1-2.0), Kueishantao (1 quake mag 3.7), Kurikoma (5 quakes between mag 0.7-1.8), Laacher See (1 quake mag 3.0), Licto (1 quake mag 3.0), Malang Plain (1 quake mag 2.1), Marapi (1 quake mag 2.6), Mayotte Island (2 quakes between mag 0.4-1.5), Nasu (2 quakes between mag 0.6-2.6), Nii-jima (1 quake mag 1.2), Nila (1 quake mag 3.7), Paco (1 quake mag 2.4), Piton de la Fournaise (3 quakes between mag 0.6-1.7), Rotorua (1 quake mag 1.1), Sandal (1 quake mag 1.2), Snowy Mountain (1 quake mag 1.0), Sousaki (1 quake mag 1.4), Spurr (1 quake mag 1.4), Talang (6 quakes between mag 1.8-4.9), Taupo (1 quake mag 1.2), Terceira (1 quake mag 2.0), To-shima (1 quake mag 1.4), Tsurumi (3 quakes between mag 0.9-1.6), Vatnafjöll (1 quake mag 1.1) (updated 22h50)

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): 21 earthquakes up to magnitude 1.7

Possible earthquake swarm: 21 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 1 hour 50 minutes ago. Hypocenter depths ranged between 11.70 and 5.50 km.
Earthquake details: (only 5 largest)
1.7 quake 7.5 km north of Aso, Kumamoto, Japan, Dec 9, 2025 04:31 pm (GMT +9) (13 km N)
1.5 quake 7.7 km northeast of Aso, Kumamoto, Japan, Dec 10, 2025 01:47 am (GMT +9) (13 km N)
1.4 quake 6.7 km north of Aso, Kumamoto, Japan, Dec 9, 2025 02:21 pm (GMT +9) (13 km N)
1.2 quake 7.4 km northeast of Aso, Kumamoto, Japan, Dec 9, 2025 04:15 pm (GMT +9) (12 km N)
1.2 quake 6.5 km north of Aso, Kumamoto, Japan, Dec 9, 2025 05:47 pm (GMT +9) (13 km N)
All earthquakes at Aso

Campi Flegrei (Phlegrean Fields) volcano (Italy): 4 earthquakes up to magnitude 3.0

4 earthquakes occurred near (under) the volcano during 4 hours, the last being recorded quake 18 hours ago. Hypocenter depths ranged between 10.00 and 0.16 km.
Earthquake details:
Reported seismic-like event (likely no quake): 2.3 km north of Naples, Napoli, Campania, Italy, Dec 9, 2025 01:27 am (GMT +1) (12 km ENE)
0.3 quake 3 km east of Pozzuoli, Napoli, Campania, Italy, Dec 9, 2025 02:25 am (GMT +1) (1 km NW)
0.1 quake 1.6 km northwest of Fuorigrotta, Napoli, Campania, Italy, Dec 9, 2025 05:53 am (GMT +1) (5 km ENE)
0.1 quake 3.5 km east of Pozzuoli, Napoli, Campania, Italy, Dec 9, 2025 02:24 am (GMT +1) (1 km N)
All earthquakes at Campi Flegrei (Phlegrean Fields)

Clear Lake volcano (California): 39 earthquakes up to magnitude 2.1

Possible earthquake swarm: 39 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 43 minutes ago. Hypocenter depths ranged between 5.20 and 0.35 km.
Earthquake details: (only 5 largest)
2.1 quake Sonoma County, 16 mi southwest of Clearlake, Lake County, California, United States, Dec 9, 2025 08:25 am (GMT -8) (17 km SSW)
1.3 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, Dec 9, 2025 03:48 am (GMT -8) (17 km S)
1.2 quake Lake County, 26 mi north of Santa Rosa, Sonoma County, California, United States, Dec 8, 2025 04:43 pm (GMT -8) (17 km S)
1.2 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, Dec 9, 2025 12:43 am (GMT -8) (18 km SSW)
1.1 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, Dec 8, 2025 04:25 pm (GMT -8) (18 km S)
All earthquakes at Clear Lake

El Chichón volcano (Southern Mexico): 5 earthquakes up to magnitude 3.0

5 earthquakes occurred near (under) the volcano during 6 hours, the last being recorded quake 14 hours ago. Hypocenter depths ranged between 3.90 and 3.00 km.
Earthquake details:
3.0 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Dec 9, 2025 02:37 am (GMT -6) (1 km WSW)
2.8 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Dec 8, 2025 09:05 pm (GMT -6) (0 km SW)
2.5 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Dec 8, 2025 09:33 pm (GMT -6) (2 km NNW)
2.3 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Dec 9, 2025 01:14 am (GMT -6) (1 km SW)
2.2 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Dec 9, 2025 02:29 am (GMT -6) (1 km SSW)
All earthquakes at El Chichón

Graciosa volcano (Azores): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 5 hours ago. The quake, which might be volcanic in origin, was located at a depth of 29.70 km depth at 12 km distance ESE from the volcano.
Earthquake details:
2.5 quake North Atlantic Ocean, 17 km southeast of Ilha Graciosa Island, Azores, Portugal, Dec 9, 2025 05:03 pm (GMT -1) (12 km ESE)
All earthquakes at Graciosa

Ijen volcano (East Java): 2 earthquakes up to magnitude 2.9

2 earthquakes occurred near (under) the volcano during 11 hours, the last being recorded quake 7 hours ago. Hypocenter depths ranged between 17.00 and 13.00 km.
Earthquake details:
2.9 quake Kabupaten Bondowoso, 32 km northwest of Banyuwangi, Indonesia, Dec 9, 2025 10:47 pm (GMT +7) (9 km NW)
2.4 quake Kabupaten Bondowoso, 37 km southeast of Situbondo, Indonesia, Dec 9, 2025 11:29 am (GMT +7) (11 km NW)
All earthquakes at Ijen

Kolumbo volcano (Greece): 3 earthquakes up to magnitude 2.4

3 earthquakes occurred near (under) the volcano during 17 minutes, the last being recorded quake 8 hours ago. Hypocenter depths ranged between 11.00 and 5.00 km.
Earthquake details:
2.4 quake Aegean Sea, 27 km southeast of Nisi Irakleia Island, Greece, Dec 9, 2025 04:54 pm (GMT +2) (17 km NE)
2.2 quake Aegean Sea, 24 km east of Nisi Ios Island, Nomos Kykladon, South Aegean, Greece, Dec 9, 2025 05:00 pm (GMT +2) (17 km NNE)
2.1 quake Aegean Sea, 27 km northeast of Santorini Island, Greece, Dec 9, 2025 05:11 pm (GMT +2) (16 km NE)
All earthquakes at Kolumbo

Kozushima volcano (Izu Islands): 30 earthquakes up to magnitude 3.0

Possible earthquake swarm: 30 earthquakes occurred near (under) the volcano during 20 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 16.60 and 0.00 km.
Earthquake details: (only 5 largest)
3.0 quake Philippine Sea, 13 km east of Kozu Shima Island, Tokyo, Japan, Dec 9, 2025 09:00 am (GMT +9) (13 km ESE)
2.7 quake Philippine Sea, 14 km east of Kozu Shima Island, Tokyo, Japan, Dec 9, 2025 11:09 pm (GMT +9) (13 km ESE)
2.5 quake Philippine Sea, 14 km east of Kozu Shima Island, Tokyo, Japan, Dec 10, 2025 12:11 am (GMT +9) (13 km E)
2.5 quake Philippine Sea, 14 km east of Kozu Shima Island, Tokyo, Japan, Dec 10, 2025 12:41 am (GMT +9) (13 km E)
2.3 quake Philippine Sea, 13 km east of Kozu Shima Island, Tokyo, Japan, Dec 9, 2025 09:00 am (GMT +9) (13 km E)
All earthquakes at Kozushima

Kueishantao volcano (Taiwan): magnitude 3.7 earthquake

A magnitude 3.7 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 8.00 km depth at 5 km distance ESE from the volcano.
Earthquake details:
3.7 quake Philippine Sea, 22 km east of Yilan, Taiwan, Dec 9, 2025 08:25 am (Taipei time) (5 km ESE)
All earthquakes at Kueishantao

Laacher See volcano (Germany): 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 9 km distance E from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 14 km northwest of Koblenz, Kreisfreie Stadt Pirmasens, Rheinland-Pfalz, Germany, Dec 9, 2025 09:47 am (GMT +1) (9 km E)
All earthquakes at Laacher See

Licto volcano (Ecuador): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 19 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 11 km distance SW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 20 km east of La Breita, Piura, Peru, Dec 8, 2025 11:00 pm (GMT -5) (11 km SW)
All earthquakes at Licto

Malang Plain volcano (East Java): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 7 hours ago. The quake, which might be volcanic in origin, was located at a depth of 8.00 km depth at 12 km distance NE from the volcano.
Earthquake details:
2.1 quake 14 km southeast of Singosari, Kabupaten Malang, Jawa Timur, Indonesia, Dec 9, 2025 11:16 pm (GMT +7) (12 km NE)
All earthquakes at Malang Plain

Marapi volcano (Sumatra): magnitude 2.6 earthquake

A magnitude 2.6 earthquake occurred at the volcano 9 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 8 km distance S from the volcano.
Earthquake details:
2.6 quake Kabupaten Tanah Datar, 7.2 km east of Padangpanjang, Indonesia, Dec 9, 2025 08:24 pm (GMT +7) (8 km S)
All earthquakes at Marapi

Nasu volcano (Honshu): 2 earthquakes up to magnitude 2.6

2 earthquakes occurred near (under) the volcano during 60 seconds, the last being recorded quake 20 hours ago. Hypocenter depths ranged between 9.60 and 6.60 km.
Earthquake details:
2.6 quake 21 km northwest of Nasushiobara, Tochigi, Japan, Dec 9, 2025 12:20 pm (GMT +9) (8 km WSW)
0.6 quake 20 km northwest of Nasushiobara, Tochigi, Japan, Dec 9, 2025 12:19 pm (GMT +9) (8 km WSW)
All earthquakes at Nasu

Nila volcano (Banda Sea): magnitude 3.7 earthquake

A magnitude 3.7 earthquake occurred at the volcano 8 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 4 km distance SW from the volcano.
Earthquake details:
3.7 quake Banda Sea, 104 km northeast of Pulau Damar Island, Maluku, Indonesia, Dec 9, 2025 11:50 pm (Jayapura time) (4 km SW)
All earthquakes at Nila

Paco volcano (Mindanao): magnitude 2.4 earthquake

A magnitude 2.4 earthquake occurred at the volcano 5 hours ago. The quake, which might be volcanic in origin, was located at a depth of 9.00 km depth at 12 km distance E from the volcano.
Earthquake details:
2.4 quake 27 km southeast of Surigao, Province of Surigao del Norte, Caraga, Philippines, Dec 10, 2025 01:22 am (GMT +8) (12 km E)
All earthquakes at Paco

Talang volcano (Sumatra): 6 earthquakes up to magnitude 4.9

6 earthquakes occurred near (under) the volcano during 2 hours, the last being recorded quake 45 minutes ago. Hypocenter depths ranged between 10.00 and 3.00 km.
Earthquake details: (only 5 largest)
4.9 quake Kabupaten Solok, 39 km east of Padang, Indonesia, Dec 10, 2025 02:48 am (Jakarta time) (2 km E)
2.4 quake Kabupaten Solok, 22 km south of Solok, Indonesia, Dec 10, 2025 03:52 am (GMT +7) (3 km ESE)
2.2 quake Kabupaten Solok, 22 km south of Solok, Indonesia, Dec 10, 2025 03:58 am (GMT +7) (5 km ESE)
2.2 quake Kabupaten Solok, 20 km south of Solok, Indonesia, Dec 10, 2025 03:11 am (GMT +7) (2 km E)
2.0 quake Kabupaten Solok, 25 km south of Solok, Indonesia, Dec 10, 2025 03:46 am (GMT +7) (7 km ESE)
All earthquakes at Talang
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