Volcano earthquake report for Saturday, 1 Nov 2025
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 1 Nov 2025 Number in brackets indicate nr of quakes.

Quakes detected near: Apaneca Range (1 quake mag 2.0), Banahaw (1 quake mag 3.0), Campi Flegrei (Phlegrean Fields) (27 quakes between mag 0.1-1.6), Clear Lake (29 quakes between mag 0.4-2.1), Cofre de Perote (1 quake mag 3.4), Coso (3 quakes between mag 0.9-1.0)
El Chichón (30 quakes between mag 1.6-3.1), El Hierro (1 quake mag 1.5), Esjufjöll (2 quakes between mag 0.9-1.2), Etna (1 quake mag 1.3), Gran Canaria (6 quakes between mag 0.6-3.0), Hofsjökull (2 quakes between mag 1.9-2.5), Iriomote-jima (1 quake mag 1.0), Kaba (1 quake mag 3.7), Katla (4 quakes between mag 1.2-2.1), Kawah Karaha (1 quake mag 3.0), Kolumbo (8 quakes between mag 0.8-1.4), Krafla (3 quakes between mag 0.8-1.2), Krísuvík (12 quakes between mag 0.1-2.0), Kuju (63 quakes between mag 0.4-2.7), La Palma (1 quake mag 1.0), Ljósufjöll (2 quakes between mag 1.5-1.8), Loki-Fögrufjöll volcano (2 quakes between mag 1.6-1.7), Milos (1 quake mag 2.8), Nantai (5 quakes between mag 0.3-1.0), Nisyros (1 quake mag 3.4), Okataina (Tarawera) (1 quake mag 1.6), Olot Field (1 quake mag 3.0), Oshima (1 quake mag 1.4), Salton Buttes (3 quakes between mag 1.1-1.7), Santorini (2 quakes between mag 0.7-1.2), Sarik-Gajah (3 quakes between mag 2.2-3.3), Tenorio (1 quake mag 1.9), Terceira (2 quakes between mag 2.1-2.3), Whale Island (1 quake mag 2.7), Zuni-Bandera (1 quake mag 2.7) (updated 09h50)

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:



Banahaw volcano (Luzon Island): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 23 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 8 km distance WNW from the volcano.
Earthquake details:
Reported quake or seismic-like event: 33 km southwest of Quezon City, Philippines, Oct 31, 2025 07:16 pm (GMT +8) (8 km WNW)
All earthquakes at Banahaw

Campi Flegrei (Phlegrean Fields) volcano (Italy): 27 earthquakes up to magnitude 1.6

Possible earthquake swarm: 27 earthquakes occurred near (under) the volcano during 20 hours, the last being recorded quake 1 hour 6 minutes ago. Hypocenter depths ranged between 5.25 and 0.02 km.
Earthquake details: (only 5 largest)
1.6 quake 2.4 km southwest of Pozzuoli, Napoli, Campania, Italy, Oct 31, 2025 05:04 pm (Rome time) (5 km W)
1.2 quake 1.8 km southwest of Pozzuoli, Napoli, Campania, Italy, Oct 31, 2025 10:04 pm (Rome time) (5 km W)
1.1 quake 2.1 km west of Fuorigrotta, Napoli, Campania, Italy, Nov 1, 2025 06:09 am (GMT +1) (3 km E)
1.1 quake 1.8 km southwest of Pozzuoli, Napoli, Campania, Italy, Oct 31, 2025 07:23 pm (Rome time) (5 km W)
1.1 quake Tyrrhenian Sea, 20 km northeast of Isola d'Ischia Island, Italy, Oct 31, 2025 09:10 pm (Rome time) (2 km SW)
All earthquakes at Campi Flegrei (Phlegrean Fields)

Clear Lake volcano (California): 29 earthquakes up to magnitude 2.1

Possible earthquake swarm: 29 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 1 hour 12 minutes ago. Hypocenter depths ranged between 4.30 and 0.88 km.
Earthquake details: (only 5 largest)
2.1 quake 12 mi southwest of Clearlake, Lake County, California, United States, Oct 31, 2025 05:05 am (Los Angeles time) (16 km S)
1.9 quake Sonoma County, 14 mi southwest of Clearlake, Lake County, California, United States, Nov 1, 2025 01:27 am (GMT -7) (17 km SSW)
1.7 quake 13 mi southwest of Clearlake, Lake County, California, United States, Oct 31, 2025 10:58 am (GMT -7) (19 km S)
1.6 quake Sonoma County, 14 mi southwest of Clearlake, Lake County, California, United States, Nov 1, 2025 01:27 am (GMT -7) (17 km SSW)
1.2 quake Lake County, 25 mi north of Santa Rosa, Sonoma County, California, United States, Oct 31, 2025 12:06 pm (GMT -7) (19 km S)
All earthquakes at Clear Lake

Cofre de Perote volcano (): magnitude 3.4 earthquake

A magnitude 3.4 earthquake occurred at the volcano 18 hours ago. The quake, which might be volcanic in origin, was located at a depth of 7.70 km depth at 9 km distance WNW from the volcano.
Earthquake details:
3.4 quake 4.3 km southeast of Perote, Estado de Veracruz-Llave, Mexico, Oct 31, 2025 09:49 am (Mexico City time) (9 km WNW)
All earthquakes at Cofre de Perote

El Chichón volcano (Southern Mexico): 30 earthquakes up to magnitude 3.1

Possible earthquake swarm: 30 earthquakes occurred near (under) the volcano during 12 hours, the last being recorded quake 11 hours ago. Hypocenter depths ranged between 4.60 and 1.90 km.
Earthquake details: (only 5 largest)
3.1 quake Estado de Chiapas, 36 km southwest of Teapa, Estado de Tabasco, Mexico, Oct 31, 2025 07:53 am (Merida time) (1 km N)
3.0 quake Estado de Chiapas, 36 km southwest of Teapa, Estado de Tabasco, Mexico, Oct 31, 2025 04:38 am (Merida time) (1 km N)
3.0 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Oct 31, 2025 02:39 pm (Merida time) (1 km WSW)
2.9 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Oct 31, 2025 09:23 am (Merida time) (0 km WSW)
2.9 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Oct 31, 2025 04:58 pm (Merida time) (2 km S)
All earthquakes at El Chichón

Gran Canaria volcano (Canary Islands): 6 earthquakes up to magnitude 3.0

6 earthquakes occurred near (under) the volcano during 13 hours, the last being recorded quake 11 hours ago. Hypocenter depths ranged between 10.00 and 1.00 km.
Earthquake details: (only 5 largest)
Reported seismic-like event (likely no quake): 27 km west of Las Palmas de Gran Canaria, Las Palmas, Canary Islands, Spain, Oct 31, 2025 09:53 pm (GMT +0) (10 km NW)
0.9 quake 26 km west of Las Palmas de Gran Canaria, Las Palmas, Canary Islands, Spain, Oct 31, 2025 12:39 pm (Universal Time) (7 km WNW)
0.8 quake 25 km west of Las Palmas de Gran Canaria, Las Palmas, Canary Islands, Spain, Oct 31, 2025 11:30 am (Universal Time) (6 km NW)
0.8 quake 26 km west of Las Palmas de Gran Canaria, Las Palmas, Canary Islands, Spain, Oct 31, 2025 10:21 am (Universal Time) (7 km WNW)
0.7 quake 26 km west of Las Palmas de Gran Canaria, Las Palmas, Canary Islands, Spain, Oct 31, 2025 12:42 pm (Universal Time) (7 km WNW)
All earthquakes at Gran Canaria

Hofsjökull volcano (Iceland): 2 earthquakes up to magnitude 2.5

2 earthquakes occurred near (under) the volcano during 79 seconds, the last being recorded quake 21 hours ago. Hypocenter depths ranged between 3.20 and 2.60 km.
Earthquake details:
2.5 quake 31.0 km E of Hveravellir Oct 31, 2025 12:43 pm (Reykjavik time) (10 km N)
1.9 quake 31.0 km WSW of Laugafell Oct 31, 2025 12:42 pm (Reykjavik time) (11 km N)
All earthquakes at Hofsjökull

Kaba volcano (Sumatra): magnitude 3.7 earthquake

A magnitude 3.7 earthquake occurred at the volcano 4 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 18 km distance WNW from the volcano.
Earthquake details:
3.7 quake 5.8 km west of Curup, Kabupaten Rejang Lebong, Bengkulu, Indonesia, Nov 1, 2025 12:26 pm (Jakarta time) (18 km WNW)
All earthquakes at Kaba

Katla volcano (Iceland): 4 earthquakes up to magnitude 2.1

4 earthquakes occurred near (under) the volcano during 18 hours, the last being recorded quake 19 minutes ago. Hypocenter depths ranged between 3.70 and 0.10 km.
Earthquake details:
2.1 quake 6.9 km NNE of Hábunga Oct 31, 2025 03:39 pm (Reykjavik time) (1 km N)
2.0 quake 1.5 km SW of Goðabunga Nov 1, 2025 09:03 am (Universal Time) (10 km W)
1.5 quake Iceland: 8.9 km NE of Goðabunga Oct 31, 2025 10:42 pm (Reykjavik time) (9 km NNW)
1.2 quake Iceland: 2.9 km NE of Hábunga Nov 1, 2025 09:30 am (Reykjavik time) (4 km S)
All earthquakes at Katla

Kawah Karaha volcano (West Java): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 4 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 12 km distance E from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 23 km north of Tasikmalaya, Kota Tasikmalaya, Jawa Barat, Indonesia, Nov 1, 2025 12:27 pm (GMT +7) (12 km E)
All earthquakes at Kawah Karaha

Krísuvík volcano (Reykjanes Peninsula, Iceland): 12 earthquakes up to magnitude 2.0

Possible earthquake swarm: 12 earthquakes occurred near (under) the volcano during 18 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 6.60 and 0.10 km.
Earthquake details: (only 5 largest)
2.0 quake 3.9 km ESE of Keilir Oct 31, 2025 12:48 pm (Reykjavik time) (0 km SE)
1.6 quake 6.2 km NE of Krýsuvík Oct 31, 2025 10:33 pm (Universal Time) (6 km E)
1.5 quake 6.1 km NE of Krýsuvík Oct 31, 2025 10:19 pm (Universal Time) (5 km E)
1.1 quake 5.6 km NE of Krýsuvík Oct 31, 2025 10:38 pm (Universal Time) (5 km E)
1.1 quake Iceland: 6.0 km NE of Krýsuvík Oct 31, 2025 11:06 pm (Reykjavik time) (6 km E)
All earthquakes at Krísuvík

Kuju volcano (Kyushu): 63 earthquakes up to magnitude 2.7

Possible earthquake swarm: 63 earthquakes occurred near (under) the volcano during 6 hours, the last being recorded quake 1 hour 22 minutes ago. Hypocenter depths ranged between 15.90 and 6.10 km.
Earthquake details: (only 5 largest)
2.7 quake 45 km west of Oita, Oita Prefecture, Japan, Nov 1, 2025 11:17 am (GMT +9) (5 km W)
2.6 quake 41 km west of Oita, Oita Prefecture, Japan, Nov 1, 2025 04:48 pm (GMT +9) (8 km NW)
2.5 quake 41 km west of Oita, Oita Prefecture, Japan, Nov 1, 2025 04:48 pm (GMT +9) (7 km WNW)
2.3 quake 41 km west of Oita, Oita Prefecture, Japan, Nov 1, 2025 11:45 am (GMT +9) (7 km WNW)
2.2 quake 41 km west of Oita, Oita Prefecture, Japan, Nov 1, 2025 11:36 am (GMT +9) (7 km WNW)
All earthquakes at Kuju

Milos volcano (Greece): magnitude 2.8 earthquake

A magnitude 2.8 earthquake occurred at the volcano 12 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 12 km distance NW from the volcano.
Earthquake details:
2.8 quake 7.4 km west of Adamantas, Nomos Kykladon, South Aegean, Greece, Oct 31, 2025 11:33 pm (Athens time) (12 km NW)
All earthquakes at Milos

Nisyros volcano (Greece): magnitude 3.4 earthquake

A magnitude 3.4 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 17.20 km depth at 10 km distance S from the volcano.
Earthquake details:
3.4 quake Aegean Sea, 12 km south of Nisi Nisyros Island, Dodecanese, South Aegean, Greece, Oct 31, 2025 01:38 pm (Athens time) (10 km S)
All earthquakes at Nisyros

Olot Field volcano (Spain): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 24 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 0 km distance WNW from the volcano.
Earthquake details:
Reported quake or seismic-like event: 22 km south of Saint-Gaudens, Upper Garonne, Occitanie, France, Oct 31, 2025 11:03 am (GMT +1) (0 km WNW)
All earthquakes at Olot Field

Sarik-Gajah volcano (Sumatra): 3 earthquakes up to magnitude 3.3

3 earthquakes occurred near (under) the volcano during 42 minutes, the last being recorded quake 8 hours ago. Hypocenter depths ranged between 10.00 and 10.00 km.
Earthquake details:
3.3 quake Kabupaten Pasaman, 33 km northwest of Bukittinggi, Indonesia, Nov 1, 2025 08:28 am (Jakarta time) (17 km S)
2.3 quake Kabupaten Pasaman, 38 km northwest of Bukittinggi, Indonesia, Nov 1, 2025 09:10 am (Jakarta time) (11 km S)
2.2 quake Kabupaten Pasaman, 37 km northwest of Bukittinggi, Indonesia, Nov 1, 2025 08:57 am (Jakarta time) (13 km S)
All earthquakes at Sarik-Gajah

Terceira volcano (Azores): 2 earthquakes up to magnitude 2.3

2 earthquakes occurred near (under) the volcano during 12 hours, the last being recorded quake 10 hours ago. Hypocenter depths ranged between 4.40 and 1.10 km.
Earthquake details:
2.3 quake 15 km northwest of Angra do Heroismo, Azores, Portugal, Oct 31, 2025 10:30 am (GMT -1) (3 km N)
2.1 quake 13 km northwest of Angra do Heroismo, Azores, Portugal, Oct 31, 2025 10:56 pm (Azores time) (2 km NE)
All earthquakes at Terceira

Whale Island volcano (New Zealand): magnitude 2.7 earthquake

A magnitude 2.7 earthquake occurred at the volcano 1 hour 55 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 5.00 km depth at 6 km distance ENE from the volcano.
Earthquake details:
2.7 quake South Pacific Ocean, 15 km north of Whakatane, Bay of Plenty, New Zealand, Nov 1, 2025 08:54 pm (Auckland time) (6 km ENE)
All earthquakes at Whale Island

Zuni-Bandera volcano (New Mexico): magnitude 2.7 earthquake

A magnitude 2.7 earthquake occurred at the volcano 21 hours ago. The quake, which might be volcanic in origin, was located at a depth of 4.90 km depth at 12 km distance SSW from the volcano.
Earthquake details:
2.7 quake 33 mi south of Grants, Cibola County, New Mexico, United States, Oct 31, 2025 05:42 am (Denver time) (12 km SSW)
All earthquakes at Zuni-Bandera
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/285719/Volcano-earthquake-report-for-Saturday-1-Nov-2025.html