Volcano earthquake report for Sunday, 11 October 2026

Quakes detected near: Acatenango (1 quake mag 1.4), Agua (8 quakes between mag 1.0-2.0), Askja (8 quakes between mag 0.0-2.1), Babuyan Claro (1 quake mag 2.5), Balut (5 quakes between mag 1.8-2.6), Bardarbunga (9 quakes between mag 0.2-1.5)
Clear Lake (22 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 (4 quakes between mag 1.1-2.0), Hekla (2 quakes between mag 0.1-1.2), Hrómundartindur (11 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), Kverkfjöll (7 quakes between mag 0.2-1.0), Loihi (1 quake mag 1.8), Maunaloa (2 quakes between mag 1.8-2.2), 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), 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 (2 quakes between mag 0.8-1.0), Turrialba (4 quakes between mag 1.7-2.2), Öraefajökull (2 quakes between mag 0.4-1.6) (updated 08h50)\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): 8 earthquakes up to magnitude 2.1

8 earthquakes occurred near (under) the volcano during 17 hours, the last being recorded quake 1 hour 3 minutes ago. Hypocenter depths ranged between 9.00 and 1.80 km.
Earthquake details: (only 5 largest)
2.1 quake Iceland: 2.2 km ENE of Suðurbotnar Oct 11, 2026 01:39 am (Reykjavik time) (5 km E)
1.1 quake Iceland: 1.5 km WSW of Herðubreiðartögl Oct 11, 2026 07:47 am (Reykjavik time) (17 km ENE)
1.0 quake Iceland: 1.8 km WSW of Herðubreiðartögl Oct 11, 2026 07:42 am (Reykjavik time) (17 km ENE)
0.6 quake Iceland: 12.7 km W of Herðubreið Oct 10, 2026 03:08 pm (Reykjavik time) (19 km NNE)
0.5 quake Iceland: 1.7 km ENE of Suðurbotnar Oct 11, 2026 07:16 am (Reykjavik time) (4 km E)
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 22 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 South China Sea, 60 km east of Calayan Island, Philippines, 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 4 hours ago. Hypocenter depths ranged between 32.00 and 24.00 km.
Earthquake details:
2.6 quake Celebes Sea, 29 km west of Sarangani, Davao Occidental, Davao, Philippines, Oct 11, 2026 04:28 am (GMT +8) (19 km WSW)
2.6 quake Philippine Sea, 7.1 km south of Sarangani Island, Philippines, Oct 10, 2026 11:08 pm (GMT +8) (13 km E)
2.1 quake Celebes Sea, 27 km west of Sarangani Island, Philippines, Oct 11, 2026 01:02 pm (GMT +8) (15 km WSW)
2.0 quake Celebes Sea, 27 km west of Sarangani Island, Philippines, Oct 10, 2026 11:29 pm (GMT +8) (15 km WSW)
1.8 quake Celebes Sea, 27 km west of Sarangani Island, Philippines, 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): 22 earthquakes up to magnitude 1.8

Possible earthquake swarm: 22 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 29 minutes ago. Hypocenter depths ranged between 11.65 and 1.51 km.
Earthquake details: (only 5 largest)
1.8 quake 12 mi southwest of Clearlake, Lake County, California, United States, Oct 10, 2026 09:23 pm (GMT -7) (17 km S)
1.7 quake Sonoma County, 13 mi southwest of Clearlake, Lake County, California, United States, Oct 10, 2026 07:39 am (GMT -7) (16 km S)
1.2 quake 29 mi north of Santa Rosa, Sonoma County, California, United States, Oct 10, 2026 06:28 am (GMT -7) (17 km SW)
1.1 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Oct 10, 2026 10:28 pm (GMT -7) (17 km S)
1.1 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Oct 10, 2026 06:29 am (GMT -7) (16 km S)
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 6 hours ago. Hypocenter depths ranged between 1.87 and 1.48 km.
Earthquake details:
2.1 quake Inyo County, 28 mi north of Ridgecrest, Kern County, California, United States, Oct 10, 2026 10:39 am (GMT -7) (3 km SSE)
1.7 quake Inyo County, 33 mi north of Ridgecrest, Kern County, California, United States, Oct 10, 2026 08:16 pm (GMT -7) (5 km NNW)
0.9 quake Inyo County, 28 mi north of Ridgecrest, Kern County, California, United States, Oct 11, 2026 12:03 am (Universal Time) (4 km ESE)
0.9 quake Inyo County, 27 mi north of Ridgecrest, Kern County, California, United States, 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 18 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): 11 earthquakes up to magnitude 2.5

Possible earthquake swarm: 11 earthquakes occurred near (under) the volcano during 20 hours, the last being recorded quake 1 hour 57 minutes 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 15 hours ago. Hypocenter depths ranged between 0.40 and 0.00 km.
Earthquake details: (only 5 largest)
3.5 quake 61 km east of Vestmannaeyjar, South, Iceland, Oct 10, 2026 10:08 am (Universal 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 14 hours ago. Hypocenter depths ranged between 39.73 and 3.28 km.
Earthquake details:
2.2 quake 39 mi southwest of Hilo, Hawaii County, Hawaii, United States, Oct 10, 2026 09:02 am (GMT -10) (5 km SSE)
1.8 quake 13 mi east of Honaunau-Napoopoo, Hawaii County, Hawaii, United States, Oct 10, 2026 02:58 am (GMT -10) (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 8 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 36 km west of Shiojiri, Nagano, Japan, 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 17 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 46 km west of Aizu-Wakamatsu, Fukushima, Japan, 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 23 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 Philippine Sea, 6.5 km southwest of Batan Island, Philippines, 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.

Turrialba volcano (Costa Rica): 4 earthquakes up to magnitude 2.2

4 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 1 hour 29 minutes ago. Hypocenter depths ranged between 11.00 and 1.00 km.
Earthquake details:
2.2 quake Provincia de Cartago, 35 km east of San Jose, Provincia de San Jose, Costa Rica, Oct 11, 2026 12:13 am (GMT -6) (8 km S)
2.0 quake Provincia de Limon, 42 km east of San Jose, Provincia de San Jose, Costa Rica, Oct 11, 2026 01:20 am (GMT -6) (6 km ENE)
2.0 quake 7.6 km northeast of Turrialba, Provincia de Cartago, Costa Rica, Oct 10, 2026 06:34 am (GMT -6) (19 km ESE)
1.7 quake 12 km northwest of Turrialba, Provincia de Cartago, Costa Rica, Oct 10, 2026 09:34 pm (GMT -6) (4 km SE)
All earthquakes at Turrialba
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/375895/Volcano-earthquake-report-2026-10-11.html