Volcano earthquake report for Sunday, 11 October 2026

Quakes detected near: Acatenango (1 quake mag 1.4), Agua (1 quake mag 1.4), Askja (5 quakes between mag 0.0-2.1), Babuyan Claro (1 quake mag 2.5), Balut (5 quakes between mag 1.8-2.6), Bardarbunga (10 quakes between mag 0.2-1.5)
Clear Lake (25 quakes between mag 0.3-1.8), Coso (4 quakes between mag 0.9-2.1), Eldey (4 quakes between mag 0.7-2.2), Etna (1 quake mag 1.4), Flores (3 quakes between mag 1.4-2.0), Hekla (2 quakes between mag 0.1-1.2), Hrómundartindur (10 quakes between mag 0.0-2.5), Kalatungan (1 quake mag 1.4), Katla (6 quakes between mag 0.1-3.5), Kilauea (4 quakes between mag 1.7-1.9), Kula (1 quake mag 1.3), Kverkfjöll (7 quakes between mag 0.2-1.0), Loihi (1 quake mag 1.8), Maunaloa (2 quakes between mag 1.8-2.2), Methana (1 quake mag 1.3), Norikura (1 quake mag 2.7), Numazawa (1 quake mag 2.5), Pelée (1 quake mag 1.1), Pocdol Mountains (1 quake mag 3.0), Prestahnukur (2 quakes between mag 0.7-1.9), Ruapehu (1 quake mag 1.0), Sousaki (1 quake mag 1.1), Svartsengi (2 quakes between mag 0.9-1.1), Tenerife (1 quake mag 1.1), Tindfjallajökull (1 quake mag 1.9), Tjörnes Fracture Zone (3 quakes between mag 0.6-1.0), Turrialba (2 quakes between mag 1.7-2.0), Öraefajökull (4 quakes between mag 0.1-1.6) (updated 05h50)\n\nNote: 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.\n
Volcanoes with recent earthquakes above magnitude 2 or more than 10 quakes are listed below:

Askja volcano (Iceland): 5 earthquakes up to magnitude 2.1

5 earthquakes occurred near (under) the volcano during 11 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 9.00 and 1.80 km.
Earthquake details:
2.1 quake Iceland: 2.2 km ENE of Suðurbotnar Oct 11, 2026 01:39 am (Reykjavik time) (5 km E)
0.6 quake Iceland: 12.7 km W of Herðubreið Oct 10, 2026 03:08 pm (Reykjavik time) (19 km NNE)
0.4 quake Iceland: 1.3 km SE of Víti Oct 11, 2026 01:20 am (Reykjavik time) (2 km ENE)
0.1 quake Iceland: 1.7 km ESE of Víti Oct 11, 2026 01:24 am (Reykjavik time) (3 km ENE)
0.0 quake Iceland: 1.3 km E of Suðurbotnar Oct 11, 2026 02:17 am (Reykjavik time) (4 km ESE)
All earthquakes at Askja
Askja is a central Icelandic volcano whose major 1875 eruption created the caldera now filled by Öskjuvatn lake. Its last known eruption occurred in 1961.

Babuyan Claro volcano (North of Luzon): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 19 hours ago. The quake, which might be volcanic in origin, was located at a depth of 12.00 km depth at 6 km distance ESE from the volcano.
Earthquake details:
2.5 quake Philippines: 009 km S 80° E of Babuyan Island (Calayan) (Cagayan) Oct 10, 2026 06:25 pm (GMT +8) (6 km ESE)
All earthquakes at Babuyan Claro
Babuyan Claro is a 1,064 m stratovolcano on Babuyan de Claro Island north of Luzon. It shares the island with several volcanic centers, including Smith Volcano, where eruptions were recorded through 1924.

Balut volcano (Mindanao): 5 earthquakes up to magnitude 2.6

5 earthquakes occurred near (under) the volcano during 14 hours, the last being recorded quake 9 hours ago. Hypocenter depths ranged between 32.00 and 20.00 km.
Earthquake details:
2.6 quake Philippines: 024 km S 76° W of Balut Island (Municipality of Sarangani) (Davao Occidental) Oct 11, 2026 04:28 am (GMT +8) (19 km WSW)
2.6 quake 008 km S 67° E of Balut Island (Municipality of Sarangani) (Davao Occidental) Oct 10, 2026 11:08 pm (GMT +8) (13 km E)
2.6 quake 005 km S 67° E of Balut Island (Municipality of Sarangani) (Davao Occidental) Oct 10, 2026 02:52 pm (GMT +8) (9 km E)
2.0 quake 020 km S 69° W of Balut Island (Municipality of Sarangani) (Davao Occidental) Oct 10, 2026 11:29 pm (GMT +8) (15 km WSW)
1.8 quake 022 km N 75° W of Balut Island (Municipality of Sarangani) (Davao Occidental) Oct 10, 2026 11:17 pm (GMT +8) (18 km WNW)
All earthquakes at Balut
Balut is an 840 m island stratovolcano south of Mindanao whose last known eruption occurred between about 2 million and 11,700 years ago. Hot springs and thermally altered ground occur on its western and southwestern flanks.

Clear Lake volcano (California): 25 earthquakes up to magnitude 1.8

Possible earthquake swarm: 25 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 21 minutes ago. Hypocenter depths ranged between 11.65 and 1.51 km.
Earthquake details: (only 5 largest)
1.8 quake 4 km W of Cobb, CA, Oct 11, 2026 04:23 am (Universal Time) (17 km S)
1.7 quake 7 km NW of the Geysers, CA, Oct 10, 2026 02:39 pm (Universal Time) (16 km S)
1.1 quake 6 km NW of the Geysers, CA, Oct 11, 2026 05:28 am (Universal Time) (17 km S)
1.1 quake 6 km W of Cobb, CA, Oct 10, 2026 01:29 pm (Universal Time) (16 km S)
1.1 quake 13 km ENE of Cloverdale, CA, Oct 10, 2026 01:28 pm (Universal Time) (17 km SW)
All earthquakes at Clear Lake

Coso volcano (California): 4 earthquakes up to magnitude 2.1

4 earthquakes occurred near (under) the volcano during 10 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 1.87 and 1.48 km.
Earthquake details:
2.1 quake 12 km NE of Little Lake, CA, Oct 10, 2026 05:39 pm (Universal Time) (3 km SSE)
1.7 quake 10 km ENE of Coso Junction, CA, Oct 10, 2026 08:16 pm (GMT -7) (5 km NNW)
0.9 quake 15 km NE of Little Lake, CA, Oct 11, 2026 12:03 am (Universal Time) (4 km ESE)
0.9 quake 12 km NE of Little Lake, CA, Oct 10, 2026 05:35 pm (Universal Time) (3 km SSE)
All earthquakes at Coso
Coso is a 400 km² volcanic field of rhyolitic domes, basaltic cones and lava flows east of the Sierra Nevada Range. Its youngest dated eruption occurred about 39,000 ± 33,000 years ago, while active fumaroles and thermal springs mark an important geothermal area.

Eldey volcano (Iceland): 4 earthquakes up to magnitude 2.2

4 earthquakes occurred near (under) the volcano during 1 hour 24 minutes, the last being recorded quake 15 hours ago. Hypocenter depths ranged between 10.80 and 9.50 km.
Earthquake details:
2.2 quake Iceland: 6.1 km N of Geirfugladrangur Oct 10, 2026 01:55 pm (Reykjavik time) (15 km W)
1.6 quake Iceland: 1.7 km WSW of Eldeyjardrangur Oct 10, 2026 02:26 pm (Reykjavik time) (1 km WSW)
1.5 quake Iceland: 2.2 km WNW of Eldeyjardrangur Oct 10, 2026 02:26 pm (Reykjavik time) (2 km WNW)
0.7 quake Iceland: 6.7 km N of Eldey Oct 10, 2026 01:02 pm (Reykjavik time) (7 km N)
All earthquakes at Eldey
Eldey is a mostly submarine volcanic system south of Iceland, with only an island and several rocky skerries above water. Five eruptions are confirmed from 1211 to 1926, and an additional event in 1884 is uncertain.

Hrómundartindur volcano (Iceland): 10 earthquakes up to magnitude 2.5

10 earthquakes occurred near (under) the volcano during 15 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 7.40 and 0.00 km.
Earthquake details: (only 5 largest)
2.5 quake 2.6 km W of Skeggi_á_Hengli Oct 11, 2026 02:09 am (Universal Time) (3 km WNW)
1.3 quake 3.3 km NW of Hrómundartindi Oct 11, 2026 01:59 am (Universal Time) (4 km ENE)
1.1 quake Iceland: 3.3 km NNW of Hveragerði Oct 10, 2026 03:22 pm (Reykjavik time) (9 km SE)
0.8 quake Iceland: 2.9 km WNW of Hrómundartindi Oct 11, 2026 01:55 am (Reykjavik time) (4 km ENE)
0.7 quake Iceland: 4.2 km NE of Bláfjallaskáli Oct 10, 2026 02:32 pm (Reykjavik time) (15 km SW)
All earthquakes at Hrómundartindur
Hrómundartindur is a small volcanic system in southwestern Iceland with an active geothermal area at Ölkeduháls. Its last eruption is uncertain, but activity is thought to have occurred about 10,000 years ago.

Katla volcano (Iceland): 6 earthquakes up to magnitude 3.5

6 earthquakes occurred near (under) the volcano during 8 hours, the last being recorded quake 12 hours ago. Hypocenter depths ranged between 0.40 and 0.00 km.
Earthquake details: (only 5 largest)
3.5 quake Iceland Oct 10, 2026 10:08 am (Reykjavik time) (4 km SW)
1.3 quake 4.9 km N of Hábunga Oct 10, 2026 10:11 am (Universal Time) (3 km WSW)
1.2 quake Iceland: 7.4 km N of Hábunga Oct 10, 2026 05:46 pm (Reykjavik time) (2 km NW)
0.8 quake 5.6 km NNE of Hábunga Oct 10, 2026 10:11 am (Universal Time) (1 km WSW)
0.2 quake Iceland: 2.9 km WNW of Hábunga Oct 10, 2026 11:18 am (Reykjavik time) (7 km SW)
All earthquakes at Katla

Maunaloa volcano (Hawai'i (Big Island)): 2 earthquakes up to magnitude 2.2

2 earthquakes occurred near (under) the volcano during 6 hours, the last being recorded quake 11 hours ago. Hypocenter depths ranged between 39.73 and 3.28 km.
Earthquake details:
2.2 quake 27 km NNW of Pāhala, Hawaii, Oct 10, 2026 07:02 pm (Universal Time) (5 km SSE)
1.8 quake 21 km E of Honaunau-Napoopoo, Hawaii, Oct 10, 2026 12:58 pm (Universal Time) (6 km W)
All earthquakes at Maunaloa
Maunaloa is a huge, frequently active shield volcano on Hawaiʻi’s Big Island. Its predominantly lava-producing eruptions include a well-documented episode in November–December 2022.

Norikura volcano (Honshu): magnitude 2.7 earthquake

A magnitude 2.7 earthquake occurred at the volcano 5 hours ago. The quake, which might be volcanic in origin, was located at a depth of 7.60 km depth at 12 km distance SSE from the volcano.
Earthquake details:
2.7 quake Japan: Western Nagano Pref Oct 11, 2026 10:12 am (GMT +9) (12 km SSE)
All earthquakes at Norikura
Norikura is Japan’s third-highest volcano, reaching 3,026 m in the Northern Japan Alps. Three VEI 3 eruptions are recognized from approximately the past 10,000 years, the last around 50 BCE.

Numazawa volcano (Honshu): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 14 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.30 km depth at 12 km distance WSW from the volcano.
Earthquake details:
2.5 quake Japan: Western Fukushima Pref Oct 11, 2026 12:35 am (GMT +9) (12 km WSW)
All earthquakes at Numazawa
Numazawa is a Japanese shield volcano with a 1.5 × 2 km lake-filled caldera. Its only listed confirmed eruptive period was a major explosive and effusive event several thousand years ago.

Pocdol Mountains 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 2.00 km depth at 19 km distance N from the volcano.
Earthquake details:
3.0 quake 015 km N 39° E of Manito (Albay) Oct 10, 2026 06:15 pm (GMT +8) (19 km N)
All earthquakes at Pocdol Mountains
The Pocdol Mountains are a 225 km² volcanic complex in southern Luzon, also known as the Bacon-Manito Complex. No eruption is known from approximately the past 11,700 years, although a fumarole field with a geyser occurs near the summit.
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/375895/Volcano-earthquake-report-2026-10-11.html