Volcano earthquake report for Sunday, 1 November 2026

Quakes detected near: Akagi (2 quakes between mag 0.6-1.8), Akita-Yake-yama (3 quakes between mag 0.8-1.3), Apaneca Range (1 quake mag 1.4), Balut (1 quake mag 2.2), Bardarbunga (3 quakes between mag 0.4-1.3), Brennisteinsfjöll (8 quakes between mag 0.1-2.1)
Churchill (1 quake mag 1.8), Clear Lake (25 quakes between mag 0.3-1.8), Coso (1 quake mag 1.1), Etna (1 quake mag 1.7), Flores (17 quakes between mag 1.1-1.6), Hakone (1 quake mag 1.7), Hrómundartindur (5 quakes between mag 0.0-1.0), Katla (1 quake mag 1.6), Kilauea (2 quakes between mag 2.2-2.4), Kuju (2 quakes between mag 0.7-1.0), Kukak (1 quake mag 1.2), Kurikoma (3 quakes between mag 0.2-1.0), Loihi (1 quake mag 1.9), Megata (1 quake mag 1.4), Nipesotsu-Maruyama (4 quakes between mag 0.4-1.1), Numazawa (7 quakes between mag 0.6-1.5), Pocdol Mountains (1 quake mag 1.8), Prestahnukur (1 quake mag 1.0), Ruapehu (1 quake mag 1.1), Sousaki (1 quake mag 1.3), Taranaki (1 quake mag 1.2), Tecuamburro (2 quakes between mag 1.0-1.5) (updated 17h50)\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:

Balut volcano (Mindanao): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 14 hours ago. The quake, which might be volcanic in origin, was located at a depth of 32.00 km depth at 18 km distance W from the volcano.
Earthquake details:
2.2 quake Davao Occidental, Davao, Philippines, Nov 1, 2026 12:15 pm (GMT +8) (18 km W)
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.

Brennisteinsfjöll volcano (Reykjanes Peninsula, Iceland): 8 earthquakes up to magnitude 2.1

8 earthquakes occurred near (under) the volcano during 10 hours, the last being recorded quake 12 hours ago. Hypocenter depths ranged between 6.80 and 0.00 km.
Earthquake details: (only 5 largest)
2.1 quake 9.3 km S of Bláfjallaskáli Oct 31, 2026 07:37 pm (Universal Time) (9 km ESE)
0.7 quake 9.4 km SSE of Helgafell Nov 1, 2026 02:42 am (Universal Time) (2 km ENE)
0.7 quake Iceland: 10.0 km S of Bláfjallaskáli Nov 1, 2026 12:05 am (Reykjavik time) (8 km ESE)
0.6 quake Iceland: 10.9 km S of Bláfjallaskáli Nov 1, 2026 12:05 am (Reykjavik time) (10 km ESE)
0.2 quake Iceland: 11.1 km S of Bláfjallaskáli Oct 31, 2026 08:09 pm (Reykjavik time) (10 km ESE)
All earthquakes at Brennisteinsfjöll
Brennisteinsfjöll is an Icelandic volcanic system of crater rows and small shield volcanoes with an eruptive record extending back about 11,000 years. Its last known eruption occurred around 1341.

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

Possible earthquake swarm: 25 earthquakes occurred near (under) the volcano during 16 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 2.85 and 0.60 km.
Earthquake details: (only 5 largest)
1.8 quake Sonoma County, 13 mi southwest of Clearlake, Lake County, California, United States, Oct 31, 2026 03:17 pm (GMT -8) (16 km SSW)
1.3 quake Lake County, 27 mi north of Santa Rosa, Sonoma County, California, United States, Oct 31, 2026 03:04 pm (GMT -7) (16 km S)
1.1 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Nov 1, 2026 12:16 am (GMT -7) (16 km SSW)
1.1 quake Mendocino County, 29 mi north of Santa Rosa, Sonoma County, California, United States, Oct 31, 2026 09:05 pm (GMT -7) (14 km SSW)
1.1 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, Oct 31, 2026 04:04 pm (GMT -7) (18 km S)
All earthquakes at Clear Lake

Flores volcano (Guatemala): 17 earthquakes up to magnitude 1.6

Possible earthquake swarm: 17 earthquakes occurred near (under) the volcano during 11 hours, the last being recorded quake 11 hours ago. Hypocenter depths ranged between 8.20 and 1.20 km.
Earthquake details: (only 5 largest)
1.6 quake 22 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 31, 2026 05:11 pm (GMT -6) (15 km WNW)
1.6 quake 23 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 31, 2026 01:30 pm (GMT -6) (15 km WNW)
1.5 quake 22 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Nov 1, 2026 12:45 am (GMT -6) (15 km WNW)
1.5 quake 23 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 31, 2026 10:35 pm (GMT -6) (14 km WNW)
1.5 quake 21 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 31, 2026 03:57 pm (GMT -6) (15 km WNW)
All earthquakes at Flores
Flores, also known as Volcán Amayo, is a volcanic field about 10 km west of Jutiapa in southeastern Guatemala. Its last eruption is undated, and none are known from approximately the past 11,700 years.

Kilauea volcano (Hawai'i (Big Island)): 2 earthquakes up to magnitude 2.4

2 earthquakes occurred near (under) the volcano during 36 seconds, the last being recorded quake 18 hours ago. Hypocenter depths ranged between 1.77 and 1.43 km.
Earthquake details:
2.4 quake 26 mi southwest of Hilo, Hawaii County, Hawaii, United States, Oct 31, 2026 01:30 pm (GMT -10) (3 km SSE)
2.2 quake 26 mi southwest of Hilo, Hawaii County, Hawaii, United States, Oct 31, 2026 01:31 pm (GMT -10) (4 km SSE)
All earthquakes at Kilauea

Unnamed volcano (North of Luzon): magnitude 2.4 earthquake

A magnitude 2.4 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 29.00 km depth at 17 km distance SW from the volcano.
Earthquake details:
2.4 quake South China Sea, 43 km southwest of Basco, Philippines, Nov 1, 2026 03:48 am (GMT +8) (17 km SW)
All earthquakes at Unnamed
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/397010/Volcano-earthquake-report-2026-11-01.html