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

Quakes detected near: Arayat (1 quake mag 3.0), Askja (1 quake mag 1.1), Campi Flegrei (Phlegrean Fields) (13 quakes between mag 0.1-2.4), Clear Lake (34 quakes between mag 0.2-1.7), Coso (5 quakes between mag 0.6-1.6), Cuernos de Negros (1 quake mag 3.0)
El Chichón (26 quakes between mag 1.6-3.1), Eldey (2 quakes between mag 1.3-1.7), Etna (1 quake mag 1.0), Great Sitkin (2 quakes between mag 1.1-1.5), Grímsnes (1 quake mag 1.0), Haku-san (3 quakes between mag 0.8-1.4), Katla (3 quakes between mag 0.7-1.3), Kilauea (1 quake mag 1.9), Kirishima (5 quakes between mag 0.1-3.0), Kolumbo (1 quake mag 1.7), Krísuvík (7 quakes between mag 0.1-1.5), Kuchinoshima (2 quakes between mag 2.4-2.8), Kula (1 quake mag 1.1), Kurikoma (5 quakes between mag 0.4-1.3), Lamonai (Dawson Strait Group) (1 quake mag 4.6), Loki-Fögrufjöll volcano (3 quakes between mag 0.3-1.0), Maroa (2 quakes between mag 1.1-1.4), Newer Volcanics Province (1 quake mag 3.0), Ngauruhoe (2 quakes between mag 0.4-1.3), Norikura (9 quakes between mag 0.1-2.8), Numazawa (1 quake mag 3.0), Poas (1 quake mag 2.4), Shishaldin (2 quakes between mag 1.1-1.3), Tana (1 quake mag 1.4), Tenorio (1 quake mag 2.9), Terceira (4 quakes between mag 2.1-2.6), To-shima (2 quakes between mag 1.1-1.2), Trident (1 quake mag 1.4), White Island (1 quake mag 2.2) (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:



Arayat volcano (Luzon Island): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 8 km distance SE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 22 km east of Angeles City, Province of Pampanga, Central Luzon, Philippines, Nov 20, 2025 09:21 am (GMT +8) (8 km SE)
All earthquakes at Arayat

Campi Flegrei (Phlegrean Fields) volcano (Italy): 13 earthquakes up to magnitude 2.4

Possible earthquake swarm: 13 earthquakes occurred near (under) the volcano during 16 hours, the last being recorded quake 8 hours ago. Hypocenter depths ranged between 2.76 and 0.72 km.
Earthquake details: (only 5 largest)
2.4 quake 12 km west of Naples, Napoli, Campania, Italy, Nov 20, 2025 04:24 am (GMT +1) (1 km NW)
1.1 quake 0.4 km southwest of Pozzuoli, Napoli, Campania, Italy, Nov 20, 2025 12:22 am (Universal Time) (4 km WNW)
1.0 quake 3.3 km east of Pozzuoli, Napoli, Campania, Italy, Nov 20, 2025 01:52 am (Universal Time) (1 km NNW)
0.7 quake 4.1 km west of Fuorigrotta, Napoli, Campania, Italy, Nov 20, 2025 02:14 am (Universal Time) (1 km ENE)
0.7 quake 4.6 km southeast of Pozzuoli, Napoli, Campania, Italy, Nov 20, 2025 01:33 am (Universal Time) (0 km E)
All earthquakes at Campi Flegrei (Phlegrean Fields)

Clear Lake volcano (California): 34 earthquakes up to magnitude 1.7

Possible earthquake swarm: 34 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 48 minutes ago. Hypocenter depths ranged between 8.46 and 0.82 km.
Earthquake details: (only 5 largest)
1.7 quake Sonoma County, 13 mi southwest of Clearlake, Lake County, California, United States, Nov 19, 2025 07:55 pm (GMT -8) (16 km SSW)
1.6 quake Sonoma County, 13 mi southwest of Clearlake, Lake County, California, United States, Nov 20, 2025 12:35 am (GMT -8) (17 km S)
1.6 quake 13 mi southwest of Clearlake, Lake County, California, United States, Nov 20, 2025 09:38 am (GMT -8) (16 km S)
1.4 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Nov 20, 2025 07:08 am (GMT -8) (17 km SSW)
1.3 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Nov 19, 2025 10:38 pm (GMT -8) (16 km SSW)
All earthquakes at Clear Lake

Cuernos de Negros volcano (Central Philippines): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 13 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 11 km distance SE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 16 km southwest of Dumaguete, Philippines, Nov 20, 2025 06:37 pm (GMT +8) (11 km SE)
All earthquakes at Cuernos de Negros

El Chichón volcano (Southern Mexico): 26 earthquakes up to magnitude 3.1

Possible earthquake swarm: 26 earthquakes occurred near (under) the volcano during 13 hours, the last being recorded quake 9 hours ago. Hypocenter depths ranged between 4.60 and 1.50 km.
Earthquake details: (only 5 largest)
3.1 quake Estado de Chiapas, 36 km southwest of Teapa, Estado de Tabasco, Mexico, Nov 20, 2025 08:31 am (GMT -6) (0 km SE)
3.1 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Nov 20, 2025 04:32 am (GMT -6) (2 km W)
2.7 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Nov 20, 2025 04:47 am (GMT -6) (1 km W)
2.6 quake Estado de Chiapas, 36 km southwest of Teapa, Estado de Tabasco, Mexico, Nov 20, 2025 04:05 am (GMT -6) (0 km NW)
2.5 quake Estado de Chiapas, 36 km southwest of Teapa, Estado de Tabasco, Mexico, Nov 19, 2025 08:40 pm (GMT -6) (1 km NNW)
All earthquakes at El Chichón

Kirishima volcano (Kyushu): 5 earthquakes up to magnitude 3.0

5 earthquakes occurred near (under) the volcano during 15 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 10.00 and 8.10 km.
Earthquake details:
Reported seismic-like event (likely no quake): 14 km northwest of Miyakonojo, Miyazaki, Japan, Nov 20, 2025 09:56 pm (GMT +9) (17 km SSE)
0.8 quake 6.5 km northwest of Kobayashi, Miyazaki, Japan, Nov 20, 2025 07:53 pm (GMT +9) (14 km NE)
0.4 quake 7.2 km northwest of Kobayashi, Miyazaki, Japan, Nov 20, 2025 07:58 pm (GMT +9) (15 km NNE)
0.2 quake 7.7 km north of Kobayashi, Miyazaki, Japan, Nov 20, 2025 12:49 pm (GMT +9) (16 km NE)
0.1 quake 6.8 km northwest of Kobayashi, Miyazaki, Japan, Nov 21, 2025 03:58 am (GMT +9) (14 km NE)
All earthquakes at Kirishima

Kuchinoshima volcano (Ryukyu Islands): 2 earthquakes up to magnitude 2.8

2 earthquakes occurred near (under) the volcano during 48 seconds, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 11.40 and 9.00 km.
Earthquake details:
2.8 quake East China Sea, Kagoshima-ken, 41 km northeast of Suwanose-jima Island, Japan, Nov 21, 2025 06:09 am (GMT +9) (8 km SE)
2.4 quake East China Sea, Kagoshima-ken, 41 km northeast of Suwanose-jima Island, Japan, Nov 21, 2025 06:09 am (GMT +9) (10 km SE)
All earthquakes at Kuchinoshima

Lamonai (Dawson Strait Group) volcano (D'Entrecasteaux Islands): magnitude 4.6 earthquake

A magnitude 4.6 earthquake occurred at the volcano 12 hours ago. The quake, which might be volcanic in origin, was located at a depth of 39.60 km depth at 17 km distance N from the volcano.
Earthquake details:
4.6 quake Solomon Sea, 16 km northwest of Sanaroa Island, Papua New Guinea, Nov 20, 2025 09:37 pm (Port Moresby time) (17 km N)
All earthquakes at Lamonai (Dawson Strait Group)

Newer Volcanics Province volcano (Australia): 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 4 km distance NW from the volcano.
Earthquake details:
Uncertain quake: M3.0, 0.4 km northwest of Whyalla, Whyalla, South Australia, Australia, Nov 20, 2025 08:15 pm (GMT +10:30) (4 km NW)
All earthquakes at Newer Volcanics Province

Norikura volcano (Honshu): 9 earthquakes up to magnitude 2.8

9 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 2 hours ago. Hypocenter depths ranged between 8.60 and 4.00 km.
Earthquake details: (only 5 largest)
2.8 quake 27 km east of Takayama, Gifu, Japan, Nov 21, 2025 03:51 am (GMT +9) (5 km SSW)
2.8 quake 26 km east of Takayama, Gifu, Japan, Nov 21, 2025 03:51 am (GMT +9) (3 km SW)
1.0 quake 27 km east of Takayama, Gifu, Japan, Nov 21, 2025 03:59 am (GMT +9) (2 km SSW)
0.7 quake 27 km east of Takayama, Gifu, Japan, Nov 21, 2025 03:52 am (GMT +9) (2 km SSW)
0.5 quake 23 km southeast of Takayama, Gifu, Japan, Nov 20, 2025 11:57 am (GMT +9) (12 km SW)
All earthquakes at Norikura

Numazawa volcano (Honshu): 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 11 km distance NW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 37 km southeast of Gosen, Niigata, Japan, Nov 20, 2025 10:22 pm (GMT +9) (11 km NW)
All earthquakes at Numazawa

Poas volcano (Costa Rica): magnitude 2.4 earthquake

A magnitude 2.4 earthquake occurred at the volcano 23 hours ago. The quake, which might be volcanic in origin, was located at a depth of 0 km depth at 5 km distance S from the volcano.
Earthquake details:
2.4 quake Provincia de Alajuela, 30 km northwest of San Jose, Costa Rica, Nov 19, 2025 06:23 pm (GMT -6) (5 km S)
All earthquakes at Poas

Tenorio volcano (Costa Rica): magnitude 2.9 earthquake

A magnitude 2.9 earthquake occurred at the volcano 11 hours ago. The quake, which might be volcanic in origin, was located at a depth of 9.00 km depth at 9 km distance SSE from the volcano.
Earthquake details:
2.9 quake 23 km northeast of Canas, Provincia de Guanacaste, Costa Rica, Nov 20, 2025 06:42 am (GMT -6) (9 km SSE)
All earthquakes at Tenorio

Terceira volcano (Azores): 4 earthquakes up to magnitude 2.6

4 earthquakes occurred near (under) the volcano during 9 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 3.70 and 3.00 km.
Earthquake details:
2.6 quake 11 km northwest of Angra do Heroismo, Azores, Portugal, Nov 20, 2025 12:26 pm (GMT -1) (2 km ESE)
2.5 quake 11 km northwest of Angra do Heroismo, Azores, Portugal, Nov 20, 2025 06:45 pm (GMT -1) (2 km SE)
2.2 quake 12 km northwest of Angra do Heroismo, Azores, Portugal, Nov 20, 2025 10:13 am (GMT -1) (1 km ESE)
2.1 quake 12 km northwest of Angra do Heroismo, Azores, Portugal, Nov 20, 2025 10:35 am (GMT -1) (1 km E)
All earthquakes at Terceira

White Island volcano (New Zealand): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 19 hours ago. The quake, which might be volcanic in origin, was located at a depth of 32.60 km depth at 4 km distance SSE from the volcano.
Earthquake details:
2.2 quake South Pacific Ocean, Manawatu-Wanganui, 48 km north of Whakatane, New Zealand, Nov 20, 2025 05:45 pm (GMT +13) (4 km SSE)
All earthquakes at White Island
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/287320/Volcano-earthquake-report-for-Thursday-20-Nov-2025.html