Volcano earthquake report for Wednesday, 4 November 2026

Quakes detected near: Abu (7 quakes between mag 0.2-1.3), Agua (1 quake mag 1.6), Alaska Peninsula Arc at 155.4°W (1 quake mag 1.2), Apaneca Range (1 quake mag 2.1), Ararat (1 quake mag 1.8), Aso (4 quakes between mag 0.2-1.0)
Balut (3 quakes between mag 1.5-3.7), Buzzard Creek (1 quake mag 3.0), Clear Lake (14 quakes between mag 0.4-1.3), Cuilapa-Barbarena (5 quakes between mag 1.2-1.7), Didicas (1 quake mag 3.7), El Hierro (1 quake mag 1.1), Flores (26 quakes between mag 0.9-3.5), Hachimantai (1 quake mag 1.3), Haku-san (2 quakes between mag 0.2-1.3), Iwaki (1 quake mag 1.0), Katmai (1 quake mag 1.1), Kilauea (1 quake mag 1.9), Kupreanof (1 quake mag 2.3), La Palma (1 quake mag 1.4), Maroa (3 quakes between mag 1.3-1.7), Maunaloa (2 quakes between mag 1.9-2.4), Methana (1 quake mag 2.2), Numazawa (7 quakes between mag 0.2-1.3), Orosí (1 quake mag 1.4), Pocdol Mountains (1 quake mag 1.3), Puracé (1 quake mag 1.2), Reporoa (1 quake mag 1.5), Rotorua (1 quake mag 1.4), Santo Tomas (1 quake mag 2.0), Te Kawa (1 quake mag 1.8), Tecuamburro (2 quakes between mag 1.3-1.3), Tuzo Wilson Knolls (1 quake mag 4.3), Unzen (5 quakes between mag 0.4-1.1), Zao (1 quake mag 1.1) (updated 14h50)\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:

Apaneca Range volcano (El Salvador): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 19 hours ago. The quake, which might be volcanic in origin, was located at a depth of 4.00 km depth at 1 km distance S from the volcano.
Earthquake details:
2.1 quake 16 km north of Sonsonate, Departamento de Sonsonate, El Salvador, Nov 3, 2026 01:30 pm (GMT -6) (1 km S)
All earthquakes at Apaneca Range
The Apaneca Range is a chain of stratovolcanoes, lava domes and thermal areas in western El Salvador. Its dated eruptive history is uncertain, but deadly hydrothermal activity occurred at Agua Shuca in 1990, followed by another explosion there in July 2025.

Balut volcano (Mindanao): 3 earthquakes up to magnitude 3.7

3 earthquakes occurred near (under) the volcano during 16 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 33.00 and 10.00 km.
Earthquake details:
3.7 quake Philippine Sea, 10.3 km south of Sarangani Island, Philippines, Nov 4, 2026 04:46 pm (GMT +8) (12 km ESE)
1.6 quake Celebes Sea, 26 km southwest of Sarangani Island, Philippines, Nov 4, 2026 01:12 am (Manila time) (15 km SW)
1.5 quake Province of Davao del Sur, Davao, 64 km south of Malapatan, Philippines, Nov 4, 2026 06:29 am (Manila time) (2 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.

Buzzard Creek volcano (Eastern Alaska): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 14 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.00 km depth at 19 km distance W from the volcano.
Earthquake details:
3.0 quake 14 mi north of Healy, Denali Borough, Alaska, United States, Nov 3, 2026 04:13 pm (Anchorage time) (19 km W)
All earthquakes at Buzzard Creek
Buzzard Creek comprises two small, lake-filled volcanic craters northeast of Healy in eastern Alaska. They formed in a VEI 2 eruption dated approximately 3,000 years ago, although the stated date of 1050 BCE is uncertain.

Clear Lake volcano (California): 14 earthquakes up to magnitude 1.3

Possible earthquake swarm: 14 earthquakes occurred near (under) the volcano during 16 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 4.68 and 0.00 km.
Earthquake details: (only 5 largest)
1.3 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Nov 3, 2026 11:49 am (GMT -8) (16 km SSW)
1.1 quake Mendocino County, 29 mi north of Santa Rosa, Sonoma County, California, United States, Nov 3, 2026 06:26 pm (GMT -8) (14 km SSW)
1.1 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, Nov 3, 2026 10:12 am (GMT -8) (17 km S)
1.0 quake 29 mi north of Santa Rosa, Sonoma County, California, United States, Nov 4, 2026 12:53 am (GMT -8) (15 km SSW)
1.0 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Nov 3, 2026 11:53 pm (GMT -8) (16 km SSW)
All earthquakes at Clear Lake

Didicas volcano (North of Luzon): magnitude 3.7 earthquake

A magnitude 3.7 earthquake occurred at the volcano 17 hours ago. The quake, which might be volcanic in origin, was located at a depth of 11.00 km depth at 14 km distance SSW from the volcano.
Earthquake details:
3.7 quake South China Sea, 24 km east of Camiguin Island, Philippines, Nov 4, 2026 05:39 am (Manila time) (14 km SSW)
All earthquakes at Didicas
Didicas is a volcanic island north of Luzon that became permanent during the 1952 eruption after earlier islands had been eroded away. Its last known eruption was in 1978.

Flores volcano (Guatemala): 26 earthquakes up to magnitude 3.5

Possible earthquake swarm: 26 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 13.00 and 0.00 km.
Earthquake details: (only 5 largest)
3.5 quake 24 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Nov 4, 2026 06:13 am (Guatemala time) (14 km WNW)
3.3 quake 24 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Nov 3, 2026 08:55 pm (Guatemala time) (14 km WNW)
3.2 quake 23 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Nov 3, 2026 02:55 pm (Guatemala time) (15 km WNW)
3.1 quake 23 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Nov 4, 2026 04:58 am (Guatemala time) (14 km WNW)
2.9 quake 24 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Nov 4, 2026 03:13 am (Guatemala time) (14 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.

Kupreanof volcano (Alaska Peninsula): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 2 hours ago. The quake, which might be volcanic in origin, was located at a depth of 35.90 km depth at 7 km distance SSE from the volcano.
Earthquake details:
2.3 quake Lake and Peninsula Borough, 51 mi northeast of Sand Point, Aleutians East Borough, Alaska, United States, Nov 4, 2026 03:24 am (GMT -9) (7 km SSE)
All earthquakes at Kupreanof
Kupreanof is a 1,895 m stratovolcano on Alaska’s Alaska Peninsula with vigorous fumarolic activity. A possible ash emission in 1987 remains uncertain, while earthquakes, gas emissions and ground uplift marked magmatic unrest in 2026.

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

2 earthquakes occurred near (under) the volcano during 9 hours, the last being recorded quake 9 hours ago. Hypocenter depths ranged between 38.30 and 7.21 km.
Earthquake details:
2.4 quake 39 mi southwest of Hilo, Hawaii County, Hawaii, United States, Nov 3, 2026 08:06 pm (GMT -10) (6 km S)
1.9 quake 18 mi west of Volcano, Hawaii County, Hawaii, United States, Nov 3, 2026 10:50 am (GMT -10) (12 km ESE)
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.

Methana volcano (Greece): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 24 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 14 km distance SW from the volcano.
Earthquake details:
2.2 quake Nomos Piraios, Attica, 46 km east of Argos, Argolida, Peloponnese, Greece, Nov 3, 2026 05:05 pm (GMT +2) (14 km SW)
All earthquakes at Methana
Methana is a lava-dome complex forming a peninsula in Greece’s Saronic Gulf. An eruption around 258 BCE built the Kameno Vouno dome and produced a lava flow that extended about 500 m beyond the coast.

Tuzo Wilson Knolls volcano (Northern Pacific Ocean): magnitude 4.3 earthquake

A magnitude 4.3 earthquake occurred at the volcano 16 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 6 km distance N from the volcano.
Earthquake details:
4.3 quake North Pacific Ocean, 74 km south of Kunghit Island, North Coast Regional District, British Columbia, Canada, Nov 3, 2026 02:15 pm (GMT -9) (6 km N)
All earthquakes at Tuzo Wilson Knolls
Tuzo Wilson Knolls is a possible submarine lava dome about 1,400 m below sea level in Canada. No eruptions are known during approximately the past 12,000 years.
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/400343/Volcano-earthquake-report-2026-11-04.html