Volcano earthquake report for Thursday, 22 October 2026

Quakes detected near: Akyarlar (1 quake mag 1.6), Balut (4 quakes between mag 1.8-2.8), Bardarbunga (1 quake mag 1.9), Baru (1 quake mag 2.4), Clear Lake (26 quakes between mag 0.3-1.8), Coso (2 quakes between mag 1.0-1.3)
Etna (1 quake mag 1.3), Fani Maoré (1 quake mag 2.3), Flores (7 quakes between mag 1.5-2.9), Hrómundartindur (7 quakes between mag 0.1-1.1), Hulubelu (1 quake mag 3.7), Katla (1 quake mag 1.9), Katmai (1 quake mag 1.0), Kilauea (2 quakes between mag 1.7-1.9), Koruhüyüğü (1 quake mag 1.3), Krísuvík (4 quakes between mag 0.2-1.3), Loihi (1 quake mag 1.8), Loki-Fögrufjöll volcano (4 quakes between mag 0.4-1.3), Martin (1 quake mag 2.3), Maunaloa (1 quake mag 2.2), Paco (1 quake mag 3.1), Poas (1 quake mag 1.9), Prestahnukur (1 quake mag 1.0), Ragang (1 quake mag 3.4), Sangeang Api (1 quake mag 2.7), Santiaguito (1 quake mag 2.1), Sete Cidades (1 quake mag 3.0), Torfajökull (5 quakes between mag 0.0-1.6) (updated 10h50)\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): 4 earthquakes up to magnitude 2.8

4 earthquakes occurred near (under) the volcano during 14 hours, the last being recorded quake 1 hour 54 minutes ago. Hypocenter depths ranged between 33.00 and 14.00 km.
Earthquake details:
2.8 quake Celebes Sea, 21 km northwest of Sarangani Island, Philippines, Oct 22, 2026 05:02 am (GMT +8) (16 km NNW)
2.1 quake Philippine Sea, 16 km northwest of Sarangani Island, Philippines, Oct 22, 2026 06:05 am (GMT +8) (13 km NNW)
1.9 quake Philippine Sea, 18 km southwest of Sarangani Island, Philippines, Oct 22, 2026 02:46 am (GMT +8) (10 km S)
1.8 quake Philippine Sea, 12 km southwest of Sarangani Island, Philippines, Oct 22, 2026 04:56 pm (GMT +8) (3 km SSE)
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.

Baru volcano (Panama): magnitude 2.4 earthquake

A magnitude 2.4 earthquake occurred at the volcano 9 hours ago. The quake, which might be volcanic in origin, was located at a depth of 12.00 km depth at 17 km distance WNW from the volcano.
Earthquake details:
2.4 quake 39 km north of La Concepcion, Provincia de Chiriqui, Panama, Oct 21, 2026 08:34 pm (Costa_Rica time) (17 km WNW)
All earthquakes at Baru

Clear Lake volcano (California): 26 earthquakes up to magnitude 1.8

Possible earthquake swarm: 26 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 33 minutes ago. Hypocenter depths ranged between 5.04 and 0.07 km.
Earthquake details: (only 5 largest)
1.8 quake Sonoma County, 14 mi southwest of Clearlake, Lake County, California, United States, Oct 21, 2026 12:59 pm (GMT -7) (16 km SSW)
1.6 quake Sonoma County, 13 mi southwest of Clearlake, Lake County, California, United States, Oct 21, 2026 11:22 pm (GMT -7) (19 km S)
1.6 quake Sonoma County, 14 mi southwest of Clearlake, Lake County, California, United States, Oct 21, 2026 05:26 pm (GMT -7) (16 km SSW)
1.5 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Oct 21, 2026 10:52 pm (GMT -7) (16 km SSW)
1.5 quake 12 mi southwest of Clearlake, Lake County, California, United States, Oct 21, 2026 05:19 am (GMT -7) (15 km S)
All earthquakes at Clear Lake

Fani Maoré volcano (Indian Ocean): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 11 hours ago. The quake, which might be volcanic in origin, was located at a depth of 37.70 km depth at 13 km distance NW from the volcano.
Earthquake details:
2.3 quake 44 km east of Mamoudzou, Mamoudzou, Mayotte, Oct 22, 2026 02:29 am (GMT +3) (13 km NW)
All earthquakes at Fani Maoré
Fani Maoré is a submarine volcano about 50 km east of Mayotte. Seismic unrest began in May 2018, and surveys in 2019 discovered a new 800-m-high cone and extensive lava flows on the seafloor.

Flores volcano (Guatemala): 7 earthquakes up to magnitude 2.9

7 earthquakes occurred near (under) the volcano during 17 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 6.00 and 1.90 km.
Earthquake details: (only 5 largest)
2.9 quake 22 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 22, 2026 12:56 am (GMT -6) (14 km WNW)
2.0 quake 24 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 21, 2026 07:56 pm (GMT -6) (14 km NW)
1.8 quake 24 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 21, 2026 07:48 pm (GMT -6) (14 km WNW)
1.8 quake 23 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 21, 2026 01:48 pm (GMT -6) (14 km WNW)
1.7 quake 26 km west of Jutiapa, Departamento de Jutiapa, Guatemala, Oct 21, 2026 10:43 am (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.

Hulubelu volcano (Sumatra): magnitude 3.7 earthquake

A magnitude 3.7 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 12 km distance SE from the volcano.
Earthquake details:
3.7 quake Kabupaten Tanggamus, 67 km west of Bandar Lampung, Indonesia, Oct 21, 2026 06:02 pm (GMT +7) (12 km SE)
All earthquakes at Hulubelu
Hulubelu is a 4-km-long volcanic depression in southeastern Sumatra. Its last eruption is not precisely dated, and none is known from approximately the past 11,700 years.

Martin volcano (Alaska Peninsula): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 7 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.00 km depth at 2 km distance NNE from the volcano.
Earthquake details:
2.3 quake Lake and Peninsula Borough, 112 mi west of Kodiak, Kodiak Island Borough, Alaska, United States, Oct 21, 2026 07:52 pm (GMT -8) (2 km NNE)
All earthquakes at Martin
Mount Martin is a mostly ice-covered Alaskan stratovolcano distinguished by a steaming, ice-free summit crater containing a shallow acidic lake. Reported eruptions in 1951 and 1953 may have come from Martin, but both attributions are uncertain.

Maunaloa volcano (Hawai'i (Big Island)): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 9 hours ago. The quake, which might be volcanic in origin, was located at a depth of 33.32 km depth at 1 km distance NNE from the volcano.
Earthquake details:
2.2 quake 24 mi east of Holualoa, Hawaii County, Hawaii, United States, Oct 21, 2026 03:47 pm (GMT -10) (1 km NNE)
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.

Paco volcano (Mindanao): magnitude 3.1 earthquake

A magnitude 3.1 earthquake occurred at the volcano 18 hours ago. The quake, which might be volcanic in origin, was located at a depth of 3.00 km depth at 13 km distance W from the volcano.
Earthquake details:
3.1 quake Philippine Sea, 24 km southwest of Surigao, Philippines, Oct 22, 2026 12:26 am (GMT +8) (13 km W)
All earthquakes at Paco
Paco-Maniayao is a stratovolcano complex at the northeastern tip of Mindanao, distinguished by nested calderas, a breached crater and lava domes. Its youngest dated lava is about 90,000 ± 40,000 years old, while the date of its last eruption is unknown.

Ragang volcano (Mindanao): magnitude 3.4 earthquake

A magnitude 3.4 earthquake occurred at the volcano 4 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 15 km distance SSE from the volcano.
Earthquake details:
3.4 quake 41 km north of Midsayap, Cotabato, Soccsksargen, Philippines, Oct 22, 2026 03:01 pm (GMT +8) (15 km SSE)
All earthquakes at Ragang
Ragang is a 2,790 m stratovolcano in central Mindanao with eight confirmed eruptive periods since the mid-18th century. Its last known eruption occurred in 1916 and included a lava flow.

Sangeang Api volcano (Lesser Sunda Islands): magnitude 2.7 earthquake

A magnitude 2.7 earthquake occurred at the volcano 23 hours ago. The quake, which might be volcanic in origin, was located at a depth of 11.00 km depth at 19 km distance WNW from the volcano.
Earthquake details:
2.7 quake Flores Sea, 18 km northwest of Pulau Sangeang Island, Indonesia, Oct 21, 2026 08:07 pm (GMT +8) (19 km WNW)
All earthquakes at Sangeang Api
Sangeang Api is a frequently active island volcano off northeastern Sumbawa, Indonesia. Its powerful 2014 eruption caused widespread ashfall, evacuations and aviation disruption, and another eruption was confirmed in November 2025.

Santiaguito volcano (Guatemala): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 18 hours ago. The quake, which might be volcanic in origin, was located at a depth of 6.40 km depth at 3 km distance WSW from the volcano.
Earthquake details:
2.1 quake 12 km southwest of Quetzaltenango, Departamento de Quetzaltenango, Guatemala, Oct 21, 2026 10:41 am (GMT -6) (3 km WSW)
All earthquakes at Santiaguito
Santiaguito is a lava-dome complex growing inside the great crater formed by Santa María’s catastrophic 1902 eruption in Guatemala. Its continuing eruption began in 1922 and includes lava extrusion, ash explosions, pyroclastic flows and lahars.

Sete Cidades volcano (Azores): 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 11.90 km depth at 17 km distance WNW from the volcano.
Earthquake details:
3.0 quake North Atlantic Ocean, 33 km northwest of Ponta Delgada, Azores, Portugal, Oct 21, 2026 12:07 pm (Universal Time) (17 km WNW)
All earthquakes at Sete Cidades
Sete Cidades is an Azorean volcano with two lakes in its summit basin and a record of eruptions from inland and offshore vents. Its last known eruption is listed in 1880, with uncertain attribution to a submarine vent.
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/384681/Volcano-earthquake-report-2026-10-22.html