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

Quakes detected near: Akagi (1 quake mag 1.2), Apaneca Range (3 quakes between mag 2.0-3.5), Bardarbunga (6 quakes between mag 0.1-1.7), Buzzard Creek (1 quake mag 2.4), Cabalian (2 quakes between mag 2.7-2.7), Campi Flegrei (Phlegrean Fields) (30 quakes between mag 0.1-1.4)
Cerro Singüil (4 quakes between mag 2.1-2.7), Clear Lake (37 quakes between mag 0.2-1.9), Coso (3 quakes between mag 1.0-1.3), El Chichón (11 quakes between mag 1.9-2.9), Eldey (4 quakes between mag 0.6-1.7), Gran Canaria (9 quakes between mag 0.5-2.3), Great Sitkin (2 quakes between mag 0.7-1.0), Katla (2 quakes between mag 0.5-1.0), Kolumbo (5 quakes between mag 0.6-2.3), Kurikoma (6 quakes between mag 0.1-1.3), Kuttara (1 quake mag 2.3), Laacher See (2 quakes between mag 0.7-2.6), Ljósufjöll (9 quakes between mag 0.0-2.0), Mauna Kea (1 quake mag 2.3), Maunaloa (1 quake mag 1.7), Midagahara (8 quakes between mag 0.1-2.6), Nantai (12 quakes between mag 0.1-1.5), Nila (1 quake mag 3.9), Olot Field (1 quake mag 1.5), Osore-yama (3 quakes between mag 0.4-1.1), Poas (1 quake mag 1.9), Ruapehu (1 quake mag 1.3), Salton Buttes (1 quake mag 1.1), Santo Tomas (1 quake mag 3.0), Soufrière de Guadeloupe (1 quake mag 3.0), Taal (1 quake mag 3.0), Tenerife (2 quakes between mag 0.8-1.0), Tenorio (2 quakes between mag 1.3-1.4), To-shima (1 quake mag 1.2), Tokachi (3 quakes between mag 0.2-1.9) (updated 01h50)

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:



Apaneca Range volcano (El Salvador): 3 earthquakes up to magnitude 3.5

3 earthquakes occurred near (under) the volcano during 3 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 8.00 and 1.20 km.
Earthquake details:
3.5 quake 9.3 km southeast of Ahuachapan, Departamento de Ahuachapan, El Salvador, Oct 30, 2025 01:21 pm (El Salvador time) (4 km S)
3.1 quake 10 km southeast of Ahuachapan, Departamento de Ahuachapan, El Salvador, Oct 30, 2025 10:24 am (El Salvador time) (5 km SSW)
2.0 quake 9.3 km southeast of Ahuachapan, Departamento de Ahuachapan, El Salvador, Oct 30, 2025 01:45 pm (El Salvador time) (5 km SSW)
All earthquakes at Apaneca Range

Buzzard Creek volcano (Eastern Alaska): magnitude 2.4 earthquake

A magnitude 2.4 earthquake occurred at the volcano 8 hours ago. The quake, which might be volcanic in origin, was located at a depth of 3.20 km depth at 18 km distance WSW from the volcano.
Earthquake details:
2.4 quake 13 mi northeast of Healy, Denali Borough, Alaska, United States, Oct 30, 2025 10:12 am (Anchorage time) (18 km WSW)
All earthquakes at Buzzard Creek

Cabalian volcano (Central Philippines): 2 earthquakes up to magnitude 2.7

2 earthquakes occurred near (under) the volcano during 12 hours, the last being recorded quake 9 hours ago. Hypocenter depths ranged between 5.00 and 5.00 km.
Earthquake details:
2.7 quake Philippine Sea, 38 km north of Panaon Island, Philippines, Oct 31, 2025 12:37 am (Manila time) (13 km NNE)
2.7 quake Philippine Sea, 38 km north of Panaon Island, Philippines, Oct 30, 2025 12:37 pm (Manila time) (13 km NNE)
All earthquakes at Cabalian

Campi Flegrei (Phlegrean Fields) volcano (Italy): 30 earthquakes up to magnitude 1.4

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 3.31 and 0.42 km.
Earthquake details: (only 5 largest)
1.4 quake 4.3 km east of Pozzuoli, Napoli, Campania, Italy, Oct 30, 2025 06:03 pm (Rome time) (0 km NE)
1.0 quake 1.2 km south of Pozzuoli, Napoli, Campania, Italy, Oct 30, 2025 02:23 pm (GMT +1) (4 km W)
0.9 quake 2.9 km southeast of Pozzuoli, Napoli, Campania, Italy, Oct 30, 2025 02:41 pm (GMT +1) (2 km W)
0.8 quake 13 km west of Naples, Napoli, Campania, Italy, Oct 30, 2025 07:57 am (GMT +1) (2 km W)
0.8 quake 2.9 km southeast of Pozzuoli, Napoli, Campania, Italy, Oct 30, 2025 02:42 pm (GMT +1) (2 km W)
All earthquakes at Campi Flegrei (Phlegrean Fields)

Cerro Singüil volcano (El Salvador): 4 earthquakes up to magnitude 2.7

4 earthquakes occurred near (under) the volcano during 9 hours, the last being recorded quake 7 hours ago. Hypocenter depths ranged between 7.00 and 4.00 km.
Earthquake details:
2.7 quake 15 km north of Ahuachapan, Departamento de Ahuachapan, El Salvador, Oct 30, 2025 12:37 pm (El Salvador time) (16 km W)
2.2 quake 16 km north of Ahuachapan, Departamento de Ahuachapan, El Salvador, Oct 30, 2025 05:35 am (Guatemala time) (17 km W)
2.2 quake 16 km north of Ahuachapan, Departamento de Ahuachapan, El Salvador, Oct 30, 2025 03:07 am (Guatemala time) (15 km W)
2.1 quake 15 km north of Ahuachapan, Departamento de Ahuachapan, El Salvador, Oct 30, 2025 04:24 am (El Salvador time) (16 km W)
All earthquakes at Cerro Singüil

Clear Lake volcano (California): 37 earthquakes up to magnitude 1.9

Possible earthquake swarm: 37 earthquakes occurred near (under) the volcano during 24 hours, the last being recorded quake 22 minutes ago. Hypocenter depths ranged between 6.68 and 0.31 km.
Earthquake details: (only 5 largest)
1.9 quake Sonoma County, 14 mi southwest of Clearlake, Lake County, California, United States, Oct 30, 2025 07:16 am (Los Angeles time) (19 km S)
1.9 quake Sonoma County, 16 mi southwest of Clearlake, Lake County, California, United States, Oct 29, 2025 07:59 pm (Los Angeles time) (18 km SSW)
1.8 quake 3 km NW of the Geysers, CA, Oct 30, 2025 04:59 am (Los Angeles time) (19 km S)
1.8 quake Sonoma County, 13 mi southwest of Clearlake, Lake County, California, United States, Oct 30, 2025 01:06 am (Los Angeles time) (16 km S)
1.5 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Oct 30, 2025 03:47 pm (Los Angeles time) (16 km S)
All earthquakes at Clear Lake

El Chichón volcano (Southern Mexico): 11 earthquakes up to magnitude 2.9

Possible earthquake swarm: 11 earthquakes occurred near (under) the volcano during 7 hours, the last being recorded quake 17 hours ago. Hypocenter depths ranged between 4.40 and 1.70 km.
Earthquake details: (only 5 largest)
2.9 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Oct 30, 2025 01:43 am (Merida time) (2 km S)
2.6 quake Estado de Chiapas, 36 km southwest of Teapa, Estado de Tabasco, Mexico, Oct 29, 2025 08:02 pm (Merida time) (2 km NNW)
2.5 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Oct 30, 2025 01:37 am (Merida time) (1 km SSW)
2.4 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Oct 29, 2025 09:21 pm (Merida time) (1 km SSW)
2.4 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Oct 30, 2025 12:51 am (Merida time) (1 km SSW)
All earthquakes at El Chichón

Gran Canaria volcano (Canary Islands): 9 earthquakes up to magnitude 2.3

9 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 1 hour 36 minutes ago. Hypocenter depths ranged between 10.00 and 1.00 km.
Earthquake details: (only 5 largest)
2.3 quake 28 km west of Las Palmas de Gran Canaria, Las Palmas, Canary Islands, Spain, Oct 30, 2025 01:50 am (Canary time) (9 km WNW)
2.0 quake 29 km west of Las Palmas de Gran Canaria, Las Palmas, Canary Islands, Spain, Oct 30, 2025 11:12 pm (Canary time) (8 km WNW)
1.7 quake 7.4 km southwest of Galdar, Las Palmas, Canary Islands, Spain, Oct 30, 2025 04:50 am (Canary time) (10 km NW)
1.0 quake 7.3 km southwest of Galdar, Las Palmas, Canary Islands, Spain, Oct 31, 2025 12:10 am (Universal Time) (9 km NW)
0.9 quake 26 km west of Las Palmas de Gran Canaria, Las Palmas, Canary Islands, Spain, Oct 30, 2025 07:10 pm (Universal Time) (6 km WNW)
All earthquakes at Gran Canaria

Kolumbo volcano (Greece): 5 earthquakes up to magnitude 2.3

5 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 9.60 and 4.60 km.
Earthquake details:
2.3 quake Aegean Sea, 29 km east of Nisi Ios Island, Nomos Kykladon, South Aegean, Greece, Oct 30, 2025 09:41 am (Athens time) (18 km NE)
1.7 quake Aegean Sea, 64 km west of Astypalaia, Dodecanese, South Aegean, Greece, Oct 30, 2025 10:34 am (Athens time) (17 km NE)
1.5 quake Aegean Sea, 21 km northeast of Santorini Island, Greece, Oct 30, 2025 11:25 am (Athens time) (11 km ENE)
1.1 quake Aegean Sea, 26 km northeast of Santorini Island, Greece, Oct 30, 2025 04:20 am (Athens time) (15 km NE)
0.6 quake Aegean Sea, 29 km northeast of Oia, Nomos Kykladon, South Aegean, Greece, Oct 31, 2025 01:19 am (GMT +2) (17 km NE)
All earthquakes at Kolumbo

Kuttara volcano (Hokkaido): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 43 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 5 km distance WNW from the volcano.
Earthquake details:
2.3 quake 8.4 km northwest of Noboribetsu, Hokkaido, Japan, Oct 31, 2025 10:07 am (GMT +9) (5 km WNW)
All earthquakes at Kuttara

Laacher See volcano (Germany): 2 earthquakes up to magnitude 2.6

2 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 55 minutes ago. Hypocenter depths ranged between 12.00 and 10.00 km.
Earthquake details:
2.6 quake 14 km west of Koblenz, Kreisfreie Stadt Pirmasens, Rheinland-Pfalz, Germany, Oct 31, 2025 01:55 am (Berlin time) (9 km SE)
0.7 quake 8.6 km southwest of Koblenz, Germany, Oct 30, 2025 04:15 am (GMT +1) (18 km SE)
All earthquakes at Laacher See

Mauna Kea volcano (Hawai'i (Big Island)): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 12 hours ago. The quake, which might be volcanic in origin, was located at a depth of 22.84 km depth at 12 km distance S from the volcano.
Earthquake details:
2.3 quake 24 mi west of Hilo, Hawaii County, Hawaii, United States, Oct 30, 2025 04:17 am (Honolulu time) (12 km S)
All earthquakes at Mauna Kea

Midagahara volcano (Honshu): 8 earthquakes up to magnitude 2.6

8 earthquakes occurred near (under) the volcano during 8 hours, the last being recorded quake 1 hour 15 minutes ago. Hypocenter depths ranged between 5.50 and 1.90 km.
Earthquake details: (only 5 largest)
2.6 quake 37 km southeast of Toyama, Toyama, Japan, Oct 31, 2025 01:40 am (GMT +9) (1 km SSW)
1.6 quake 37 km southeast of Toyama, Toyama, Japan, Oct 31, 2025 04:02 am (GMT +9) (1 km S)
1.3 quake 37 km southeast of Toyama, Toyama, Japan, Oct 31, 2025 01:33 am (GMT +9) (1 km SSE)
1.0 quake 37 km southeast of Toyama, Toyama, Japan, Oct 31, 2025 02:55 am (GMT +9) (1 km S)
0.9 quake 37 km southeast of Toyama, Toyama, Japan, Oct 31, 2025 04:03 am (GMT +9) (1 km S)
All earthquakes at Midagahara

Nantai volcano (Honshu): 12 earthquakes up to magnitude 1.5

Possible earthquake swarm: 12 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 10.20 and 4.90 km.
Earthquake details: (only 5 largest)
1.5 quake 40 km west of Utsunomiya, Tochigi, Japan, Oct 30, 2025 10:24 pm (GMT +9) (16 km SSW)
0.9 quake 39 km west of Utsunomiya, Tochigi, Japan, Oct 30, 2025 06:13 pm (GMT +9) (16 km SSW)
0.7 quake 40 km west of Utsunomiya, Tochigi, Japan, Oct 30, 2025 07:01 pm (GMT +9) (16 km SSW)
0.6 quake 39 km west of Utsunomiya, Tochigi, Japan, Oct 30, 2025 08:17 pm (GMT +9) (16 km SSW)
0.5 quake 39 km west of Utsunomiya, Tochigi, Japan, Oct 31, 2025 08:19 am (GMT +9) (16 km SSW)
All earthquakes at Nantai

Nila volcano (Banda Sea): magnitude 3.9 earthquake

A magnitude 3.9 earthquake occurred at the volcano 55 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 17.00 km depth at 5 km distance WSW from the volcano.
Earthquake details:
3.9 quake Banda Sea, 94 km north of Pulau Dai Island, Maluku, Indonesia, Oct 31, 2025 09:54 am (Jayapura time) (5 km WSW)
All earthquakes at Nila

Santo Tomas volcano (Luzon Island): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 18 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 7 km distance ENE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 6.3 km south of Baguio, Philippines, Oct 30, 2025 03:47 pm (GMT +8) (7 km ENE)
All earthquakes at Santo Tomas

Soufrière de Guadeloupe volcano (Caribbean): 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 SW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 34 km southwest of Le Gosier, Guadeloupe, Oct 30, 2025 08:20 am (GMT -4) (9 km SW)
All earthquakes at Soufrière de Guadeloupe

Taal volcano (Luzon Island): 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 10.00 km depth at 10 km distance ENE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 21 km southwest of Calamba, Province of Laguna, Calabarzon, Philippines, Oct 30, 2025 01:36 pm (GMT +8) (10 km ENE)
All earthquakes at Taal

Unnamed 24.00°N/121.83°E volcano (Taiwan): magnitude 3.8 earthquake

A magnitude 3.8 earthquake occurred at the volcano 16 hours ago. The quake, which might be volcanic in origin, was located at a depth of 34.30 km depth at 13 km distance NW from the volcano.
Earthquake details:
3.8 quake Philippine Sea, 19 km northeast of Hualien City, Taiwan, Oct 30, 2025 05:37 pm (Taipei time) (13 km NW)
All earthquakes at Unnamed 24.00°N/121.83°E
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/285530/Volcano-earthquake-report-for-Friday-31-Oct-2025.html