Volcano earthquake report for Tuesday, 7 Oct 2025

Quakes detected near: Agung (1 quake mag 3.0), Akan (1 quake mag 3.0), Akuseki-jima (2 quakes between mag 2.0-2.4), Bardarbunga (5 quakes between mag 0.2-1.1), Brennisteinsfjöll (3 quakes between mag 0.4-1.0), Campi Flegrei (Phlegrean Fields) (14 quakes between mag 0.1-1.5)
Cerro Negro de Mayasquer (1 quake mag 1.7), Cerro Singüil (1 quake mag 2.5), Clear Lake (24 quakes between mag 0.4-2.2), El Chichón (19 quakes between mag 1.7-3.0), El Hierro (1 quake mag 2.4), Epi (1 quake mag 2.8), Hiuchi (7 quakes between mag 0.3-1.3), Hrómundartindur (28 quakes between mag 0.2-1.6), Ibu (1 quake mag 2.1), Ibusuku (2 quakes between mag 0.6-1.4), Irazu (1 quake mag 3.0), Isarog (1 quake mag 2.4), Katla (7 quakes between mag 0.6-1.3), Kilauea (3 quakes between mag 1.4-2.5), Kirishima (3 quakes between mag 0.1-1.4), Kolumbo (2 quakes between mag 1.4-1.7), Krísuvík (16 quakes between mag 0.1-1.2), Kuju (1 quake mag 1.1), Ljósufjöll (8 quakes between mag 0.5-1.8), Mandalagan (1 quake mag 1.9), Maunaloa (1 quake mag 1.8), Miravalles (1 quake mag 3.0), Mount St. Helens (1 quake mag 1.0), Nii-jima (1 quake mag 2.1), Pelée (27 quakes between mag 0.6-1.6), Platanar (2 quakes between mag 1.5-1.9), Roundtop (1 quake mag 1.5), Ruapehu (1 quake mag 1.7), Salton Buttes (1 quake mag 1.1), Santorini (1 quake mag 1.7), Shishaldin (1 quake mag 1.2), Suwanose-jima (2 quakes between mag 1.8-2.7), Tangkubanparahu (1 quake mag 1.9), Tenorio (12 quakes between mag 0.5-3.0), Tjörnes Fracture Zone (2 quakes between mag 1.4-1.6), Zao (1 quake mag 1.0) (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:

Agung volcano (Bali): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 6 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 18 km distance E from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): Near Amlapura, Bali, Indonesia, Oct 7, 2025 04:16 am (GMT +8) (18 km E)
All earthquakes at Agung

Akan volcano (Hokkaido): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 28 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 13 km distance WSW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): Near Ashoro, Hokkaido, Japan, Oct 7, 2025 10:21 am (GMT +9) (13 km WSW)
All earthquakes at Akan

Akuseki-jima volcano (Ryukyu Islands): 2 earthquakes up to magnitude 2.4

2 earthquakes occurred near (under) the volcano during 4 hours, the last being recorded quake 18 hours ago. Hypocenter depths ranged between 32.20 and 0.00 km.
Earthquake details:
2.4 quake Japan: Near Tokara Islands Oct 6, 2025 04:48 pm (GMT +9) (10 km W)
2.0 quake Japan: Near Tokara Islands Oct 6, 2025 12:28 pm (GMT +9) (4 km N)
All earthquakes at Akuseki-jima

Campi Flegrei (Phlegrean Fields) volcano (Italy): 14 earthquakes up to magnitude 1.5

Possible earthquake swarm: 14 earthquakes occurred near (under) the volcano during 16 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 2.66 and 0.02 km.
Earthquake details: (only 5 largest)
1.5 quake Campi Flegrei Oct 6, 2025 08:06 am (GMT +2) (0 km S)
0.8 quake Italy: Flegrei Oct 6, 2025 04:25 pm (GMT +2) (5 km W)
0.5 quake Italy: Flegrei Oct 6, 2025 08:10 am (GMT +2) (0 km SE)
0.4 quake Italy: Flegrei Oct 6, 2025 08:06 am (GMT +2) (1 km ESE)
0.4 quake Italy: Flegrei Oct 6, 2025 08:06 am (GMT +2) (1 km ESE)
All earthquakes at Campi Flegrei (Phlegrean Fields)

Cerro Singüil volcano (El Salvador): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 23 hours ago. The quake, which might be volcanic in origin, was located at a depth of 3.00 km depth at 18 km distance WNW from the volcano.
Earthquake details:
2.5 quake Guatemala Oct 5, 2025 09:03 pm (GMT -6) (18 km WNW)
All earthquakes at Cerro Singüil

Clear Lake volcano (California): 24 earthquakes up to magnitude 2.2

Possible earthquake swarm: 24 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 9.33 and 0.11 km.
Earthquake details: (only 5 largest)
2.2 quake 3 km NW of the Geysers, CA, Oct 5, 2025 06:47 pm (Los Angeles time) (19 km S)
1.6 quake 7 km NW of the Geysers, CA, Oct 6, 2025 09:06 am (Los Angeles time) (17 km S)
1.3 quake 5 km NNW of the Geysers, CA, Oct 6, 2025 04:18 pm (GMT -7) (17 km S)
1.2 quake 3 km NW of the Geysers, CA, Oct 6, 2025 04:11 pm (GMT -7) (19 km S)
1.2 quake 3 km NNW of the Geysers, CA, Oct 5, 2025 09:17 pm (GMT -7) (19 km S)
All earthquakes at Clear Lake

El Chichón volcano (Southern Mexico): 19 earthquakes up to magnitude 3.0

Possible earthquake swarm: 19 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 52 minutes ago. Hypocenter depths ranged between 5.00 and 2.00 km.
Earthquake details: (only 5 largest)
3.0 quake Chiapas, Mexico, Oct 6, 2025 06:57 pm (GMT -6) (1 km SSE)
3.0 quake Chiapas, Mexico, Oct 6, 2025 12:10 pm (Merida time) (2 km SSE)
2.8 quake Chiapas, Mexico, Oct 6, 2025 03:04 am (Merida time) (5 km ESE)
2.7 quake Mexico: 20 km Al SUROESTE De PICHUCALCO, CHIS, Oct 6, 2025 04:16 am (Merida time) (1 km ESE)
2.5 quake Chiapas, Mexico, Oct 6, 2025 03:36 am (Merida time) (1 km ESE)
All earthquakes at El Chichón

El Hierro volcano (Canary Islands): magnitude 2.4 earthquake

A magnitude 2.4 earthquake occurred at the volcano 17 hours ago. The quake, which might be volcanic in origin, was located at a depth of 27.00 km depth at 18 km distance WNW from the volcano.
Earthquake details:
2.4 quake Spain: SW Frontera.Ihi Oct 6, 2025 10:07 am (Canary time) (18 km WNW)
All earthquakes at El Hierro

Epi volcano (Vanuatu): 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 0 km depth at 14 km distance WSW from the volcano.
Earthquake details:
2.8 quake Vanuatu Islands Oct 7, 2025 01:11 am (Efate time) (14 km WSW)
All earthquakes at Epi

Hrómundartindur volcano (Iceland): 28 earthquakes up to magnitude 1.6

Possible earthquake swarm: 28 earthquakes occurred near (under) the volcano during 20 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 15.70 and 4.60 km.
Earthquake details: (only 5 largest)
1.6 quake Iceland: 2.4 km SW of Þrengsli Oct 6, 2025 09:09 pm (Reykjavik time) (16 km SW)
1.4 quake 2.8 km SW of Þrengsli Oct 6, 2025 07:20 am (Universal Time) (17 km SW)
1.1 quake 2.7 km SW of Þrengsli Oct 6, 2025 07:19 am (Universal Time) (17 km WSW)
0.9 quake Iceland: 2.3 km SSW of Þrengsli Oct 6, 2025 09:16 pm (Reykjavik time) (16 km SW)
0.9 quake Iceland: 2.1 km SW of Þrengsli Oct 6, 2025 08:37 pm (Reykjavik time) (16 km WSW)
All earthquakes at Hrómundartindur

Ibu volcano (Halmahera): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 10 hours ago. The quake, which might be volcanic in origin, was located at a depth of 9.00 km depth at 17 km distance E from the volcano.
Earthquake details:
2.1 quake Halmahera, Indonesia, Oct 7, 2025 12:55 am (Jayapura time) (17 km E)
All earthquakes at Ibu

Irazu volcano (Costa Rica): 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 16 km distance W from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): Near San Jose, San José, Costa Rica, Oct 5, 2025 10:19 pm (GMT -6) (16 km W)
All earthquakes at Irazu

Isarog volcano (Luzon Island): magnitude 2.4 earthquake

A magnitude 2.4 earthquake occurred at the volcano 12 hours ago. The quake, which might be volcanic in origin, was located at a depth of 33.00 km depth at 16 km distance SSW from the volcano.
Earthquake details:
2.4 quake Philippines: 004 km N 65° W of Ocampo (Camarines Sur) Oct 6, 2025 09:57 pm (Manila time) (16 km SSW)
All earthquakes at Isarog

Kilauea volcano (Hawai'i (Big Island)): 3 earthquakes up to magnitude 2.5

3 earthquakes occurred near (under) the volcano during 8 hours, the last being recorded quake 2 hours ago. Hypocenter depths ranged between 32.64 and 0.98 km.
Earthquake details:
2.5 quake 14 km NE of Pāhala, Hawaii, Oct 6, 2025 01:36 pm (Honolulu time) (17 km SSW)
1.7 quake 12 km ENE of Pāhala, Hawaii, Oct 6, 2025 05:30 am (Honolulu time) (19 km SSW)
1.4 quake 4 km WSW of Volcano, Hawaii, Oct 6, 2025 05:30 am (GMT -10) (3 km NE)
All earthquakes at Kilauea

Krísuvík volcano (Reykjanes Peninsula, Iceland): 16 earthquakes up to magnitude 1.2

Possible earthquake swarm: 16 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 21 minutes ago. Hypocenter depths ranged between 12.90 and 1.10 km.
Earthquake details: (only 5 largest)
1.2 quake Iceland: 5.0 km NNE of Krýsuvík Oct 7, 2025 01:29 am (Reykjavik time) (3 km E)
1.1 quake Iceland: 3.1 km NNE of Krýsuvík Oct 6, 2025 10:37 am (Reykjavik time) (3 km SE)
1.0 quake Iceland: 2.0 km NNE of Krýsuvík Oct 6, 2025 08:14 pm (Reykjavik time) (4 km SE)
1.0 quake Iceland: 2.1 km N of Krýsuvík Oct 6, 2025 03:57 pm (Reykjavik time) (3 km SE)
1.0 quake Iceland: 3.6 km NNE of Krýsuvík Oct 6, 2025 07:43 am (Reykjavik time) (3 km ESE)
All earthquakes at Krísuvík

Miravalles volcano (Costa Rica): 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 17.00 km depth at 15 km distance S from the volcano.
Earthquake details:
3.0 quake Costa Rica Oct 6, 2025 05:40 pm (Costa Rica time) (15 km S)
All earthquakes at Miravalles

Nii-jima volcano (Izu Islands): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 5 hours ago. The quake, which might be volcanic in origin, was located at a depth of 8.60 km depth at 12 km distance WSW from the volcano.
Earthquake details:
2.1 quake Japan: Near Niijima Island Oct 7, 2025 06:08 am (GMT +9) (12 km WSW)
All earthquakes at Nii-jima

Pelée volcano (Caribbean): 27 earthquakes up to magnitude 1.6

Possible earthquake swarm: 27 earthquakes occurred near (under) the volcano during 18 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 2.80 and 0.00 km.
Earthquake details: (only 5 largest)
1.6 quake Martinique: Windward Islands Oct 6, 2025 01:08 pm (Martinique time) (1 km S)
1.5 quake Windward Islands Oct 6, 2025 01:40 am (GMT -4) (1 km SW)
1.2 quake Martinique: Windward Islands Oct 6, 2025 12:41 am (GMT -4) (1 km S)
1.1 quake Martinique: Windward Islands Oct 6, 2025 07:59 am (GMT -4) (1 km S)
1.0 quake Martinique: Windward Islands Oct 6, 2025 10:39 am (GMT -4) (1 km S)
All earthquakes at Pelée

Suwanose-jima volcano (Ryukyu Islands): 2 earthquakes up to magnitude 2.7

2 earthquakes occurred near (under) the volcano during 8 hours, the last being recorded quake 11 hours ago. Hypocenter depths ranged between 1.30 and 1.20 km.
Earthquake details:
2.7 quake Japan: Near Tokara Islands Oct 6, 2025 11:52 pm (GMT +9) (16 km W)
1.8 quake Japan: Near Tokara Islands Oct 6, 2025 03:58 pm (GMT +9) (12 km WNW)
All earthquakes at Suwanose-jima

Tenorio volcano (Costa Rica): 12 earthquakes up to magnitude 3.0

Possible earthquake swarm: 12 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 45 minutes ago. Hypocenter depths ranged between 18.00 and 1.00 km.
Earthquake details: (only 5 largest)
Reported seismic-like event (likely no quake): Near Canas, Guanacaste Province, Costa Rica, Oct 6, 2025 04:34 am (GMT -6) (18 km SE)
2.6 quake Costa Rica Oct 6, 2025 10:56 am (Costa Rica time) (10 km SE)
2.5 quake Costa Rica Oct 6, 2025 06:07 am (Costa Rica time) (11 km SE)
2.3 quake 41 km Al Sureste De Cuatro Bocas, Costa Rica, Oct 6, 2025 07:04 pm (Costa Rica time) (8 km ESE)
2.0 quake Costa Rica Oct 5, 2025 10:18 pm (Costa Rica time) (10 km SSE)
All earthquakes at Tenorio

Unnamed 24.00°N/121.83°E volcano (Taiwan): magnitude 3.6 earthquake

A magnitude 3.6 earthquake occurred at the volcano 4 hours ago. The quake, which might be volcanic in origin, was located at a depth of 29.80 km depth at 11 km distance W from the volcano.
Earthquake details:
3.6 quake Taiwan Oct 7, 2025 06:03 am (Taipei time) (11 km W)
All earthquakes at Unnamed 24.00°N/121.83°E
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/282744/Volcano-earthquake-report-for-Tuesday-7-Oct-2025.html