Volcano earthquake report for Sunday, 1 November 2026

Quakes detected near: Akita-Yake-yama (3 quakes between mag 0.8-1.3), Balut (1 quake mag 2.2), Bardarbunga (2 quakes between mag 1.2-1.4), Brennisteinsfjöll (4 quakes between mag 0.2-2.0), Campi Flegrei (Phlegrean Fields) (6 quakes between mag 0.1-1.2), Clear Lake (25 quakes between mag 0.3-1.8)
Fani Maoré (1 quake mag 1.9), Flores (9 quakes between mag 1.2-2.5), Hrómundartindur (6 quakes between mag 0.2-1.0), Katla (2 quakes between mag 1.6-1.6), Kilauea (5 quakes between mag 1.7-2.4), Kuju (2 quakes between mag 0.7-1.0), Kukak (1 quake mag 1.2), Kurikoma (2 quakes between mag 0.6-1.0), Loihi (2 quakes between mag 1.9-2.2), Mauna Kea (1 quake mag 2.1), Maunaloa (3 quakes between mag 1.7-2.4), Megata (1 quake mag 1.4), Mount Rainier (1 quake mag 2.1), Mount St. Helens (2 quakes between mag 0.2-1.1), Numazawa (7 quakes between mag 0.5-1.3), Okmok (3 quakes between mag 1.0-1.1), Ruapehu (2 quakes between mag 0.6-1.1), Salton Buttes (1 quake mag 1.2), San Salvador (1 quake mag 2.3), Spurr (3 quakes between mag 0.7-1.1), Svartsengi (3 quakes between mag 0.8-1.1) (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:

Balut volcano (Mindanao): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 1 hour 35 minutes 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.

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

Possible earthquake swarm: 25 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 1 hour 44 minutes ago. Hypocenter depths ranged between 2.85 and 0.50 km.
Earthquake details: (only 5 largest)
1.8 quake Sonoma County, 13 mi southwest of Clearlake, Lake County, California, United States, Oct 31, 2026 04:17 pm (GMT -7) (16 km SSW)
1.5 quake Sonoma County, 13 mi southwest of Clearlake, Lake County, California, United States, Oct 31, 2026 04:47 am (GMT -7) (16 km S)
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 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): 9 earthquakes up to magnitude 2.5

9 earthquakes occurred near (under) the volcano during 8 hours, the last being recorded quake 16 hours ago. Hypocenter depths ranged between 10.00 and 1.50 km.
Earthquake details: (only 5 largest)
2.5 quake 24 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 31, 2026 03:28 am (GMT -6) (14 km WNW)
2.1 quake 22 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 31, 2026 05:54 am (GMT -6) (16 km WNW)
1.9 quake 23 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 31, 2026 04:14 am (GMT -6) (16 km WNW)
1.7 quake North Pacific Ocean, Departamento de Santa Rosa, 106 km east of La Gomera, Guatemala, Oct 31, 2026 02:55 am (GMT -6) (15 km WNW)
1.6 quake 22 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 31, 2026 08:03 am (GMT -6) (17 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)): 5 earthquakes up to magnitude 2.4

5 earthquakes occurred near (under) the volcano during 14 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 30.50 and 1.43 km.
Earthquake details:
2.4 quake 26 mi southwest of Hilo, Hawaii County, Hawaii, United States, Oct 31, 2026 01:31 pm (GMT -10) (4 km SSE)
2.4 quake 26 mi southwest of Hilo, Hawaii County, Hawaii, United States, Oct 31, 2026 01:30 pm (GMT -10) (3 km SSE)
2.1 quake 8.4 mi northeast of Pāhala, Hawaii County, Hawaii, United States, Oct 31, 2026 01:04 am (GMT -10) (18 km SW)
1.9 quake 4.7 mi southwest of Volcano, Hawaii County, Hawaii, United States, Oct 31, 2026 04:40 am (GMT -10) (3 km SSE)
1.7 quake 10 mi northeast of Pāhala, Hawaii County, Hawaii, United States, Oct 30, 2026 11:19 pm (GMT -10) (18 km SSW)
All earthquakes at Kilauea

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

2 earthquakes occurred near (under) the volcano during 1 hour 3 minutes, the last being recorded quake 18 hours ago. Hypocenter depths ranged between 31.54 and 29.91 km.
Earthquake details:
2.2 quake North Pacific Ocean, 13 mi southeast of Pāhala, Hawaii County, Hawaii, United States, Oct 31, 2026 01:52 am (GMT -10) (17 km NW)
1.9 quake North Pacific Ocean, 40 mi southeast of of Hawai‘i Island, Hawaii County, Hawaii, United States, Oct 31, 2026 12:49 am (GMT -10) (17 km NW)
All earthquakes at Loihi
Loihi, now named Kamaʻehuakanaloa, is a submarine shield volcano about 35 km southeast of Hawaiʻi. Its last confirmed eruption was in 1996, while later unrest has consisted of earthquake swarms without confirmed eruptions.

Mauna Kea volcano (Hawai'i (Big Island)): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 15 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.90 km depth at 16 km distance ENE from the volcano.
Earthquake details:
2.1 quake 17 mi northwest of Hilo, Hawaii County, Hawaii, United States, Oct 31, 2026 04:22 am (GMT -10) (16 km ENE)
All earthquakes at Mauna Kea
Mauna Kea is Hawaiʻi’s highest volcano and last erupted about 4,500 years ago, producing cinder cones and lava flows. Numerous cones and astronomical observatories occupy its summit region.

Maunaloa volcano (Hawai'i (Big Island)): 3 earthquakes up to magnitude 2.4

3 earthquakes occurred near (under) the volcano during 3 hours, the last being recorded quake 13 hours ago. Hypocenter depths ranged between 1.11 and 0.11 km.
Earthquake details:
2.4 quake 29 mi southwest of Hilo, Hawaii County, Hawaii, United States, Oct 31, 2026 04:22 am (GMT -10) (16 km E)
2.0 quake 29 mi southwest of Hilo, Hawaii County, Hawaii, United States, Oct 31, 2026 04:19 am (GMT -10) (16 km ENE)
1.7 quake 10.7 mi north of Pāhala, Hawaii County, Hawaii, United States, Oct 31, 2026 06:58 am (GMT -10) (17 km SE)
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.

Mount Rainier volcano (Washington State): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 16 hours ago. The quake, which might be volcanic in origin, was located at a depth of 8.87 km depth at 12 km distance WSW from the volcano.
Earthquake details:
2.1 quake 28 mi southeast of South Hill, Pierce County, Washington, United States, Oct 31, 2026 07:09 am (GMT -7) (12 km WSW)
All earthquakes at Mount Rainier
Mount Rainier is a heavily glaciated stratovolcano in Washington, with a record of explosive eruptions, collapses and large mudflows. Its last confirmed eruption dates to about 1450 CE, while reported 19th-century activity remains uncertain.

San Salvador volcano (El Salvador): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 15 hours ago. The quake, which might be volcanic in origin, was located at a depth of 4.00 km depth at 7 km distance ESE from the volcano.
Earthquake details:
2.3 quake 5.7 km west of San Salvador, Departamento de San Salvador, El Salvador, Oct 31, 2026 08:20 am (GMT -6) (7 km ESE)
All earthquakes at San Salvador
San Salvador is a large stratovolcano overlooking El Salvador’s capital. Its last known eruption, in 1917, formed a small cone inside the summit crater and sent a major lava flow down the northern flank.

Unnamed volcano (North of Luzon): magnitude 2.4 earthquake

A magnitude 2.4 earthquake occurred at the volcano 10 hours ago. The quake, which might be volcanic in origin, was located at a depth of 34.00 km depth at 13 km distance SSW from the volcano.
Earthquake details:
2.4 quake South China Sea, 38 km southwest of Basco, Philippines, Nov 1, 2026 03:48 am (GMT +8) (13 km SSW)
All earthquakes at Unnamed
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/397010/Volcano-earthquake-report-2026-11-01.html