Volcano earthquake report for Thursday, 8 October 2026

Quakes detected near: Apaneca Range (2 quakes between mag 1.7-1.8), Askja (4 quakes between mag 0.1-1.3), Balut (1 quake mag 2.4), Bardarbunga (2 quakes between mag 0.3-1.0), Brennisteinsfjöll (1 quake mag 1.0), Campi Flegrei (Phlegrean Fields) (11 quakes between mag 0.1-1.4)
Chingo (1 quake mag 1.5), Clear Lake (16 quakes between mag 0.5-1.7), Esjufjöll (1 quake mag 1.1), Etna (1 quake mag 2.2), Flores (1 quake mag 1.5), Grímsnes (3 quakes between mag 0.4-1.5), Huambo (1 quake mag 3.5), Katla (8 quakes between mag 0.0-1.5), Kilauea (2 quakes between mag 1.6-2.0), Kolumbo (1 quake mag 1.7), Kozushima (1 quake mag 2.2), La Palma (5 quakes between mag 1.6-1.9), Martin (2 quakes between mag 0.4-1.1), Maunaloa (3 quakes between mag 1.8-2.4), Mayotte Island (1 quake mag 1.8), Methana (1 quake mag 1.4), Nisyros (1 quake mag 1.8), Numazawa (1 quake mag 2.8), Ontake-san (1 quake mag 2.6), Pelée (7 quakes between mag 0.0-1.5), Sandal (1 quake mag 1.2), Santiaguito (1 quake mag 1.5), Svartsengi (1 quake mag 1.7), Tindfjallajökull (1 quake mag 2.7), Tjörnes Fracture Zone (5 quakes between mag 0.0-1.3), Vestmannaeyjar (1 quake mag 2.2), White Island (1 quake mag 2.2) (updated 15h50)\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 2.4 earthquake

A magnitude 2.4 earthquake occurred at the volcano 16 hours ago. The quake, which might be volcanic in origin, was located at a depth of 25.00 km depth at 7 km distance SSE from the volcano.
Earthquake details:
2.4 quake Philippine Sea, 14 km southwest of Sarangani Island, Philippines, Oct 8, 2026 07:34 am (GMT +8) (7 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.

Campi Flegrei (Phlegrean Fields) volcano (Italy): 11 earthquakes up to magnitude 1.4

Possible earthquake swarm: 11 earthquakes occurred near (under) the volcano during 9 hours, the last being recorded quake 12 hours ago. Hypocenter depths ranged between 4.33 and 0.01 km.
Earthquake details: (only 5 largest)
1.4 quake Tyrrhenian Sea, 20 km northeast of Isola d'Ischia Island, Italy, Oct 7, 2026 08:15 pm (GMT +2) (3 km SSW)
1.0 quake Tyrrhenian Sea, 20 km northeast of Isola d'Ischia Island, Italy, Oct 7, 2026 08:02 pm (GMT +2) (4 km SSW)
0.1 quake Tyrrhenian Sea, 29 km east of Isola d'Ischia Island, Napoli, Campania, Italy, Oct 8, 2026 03:05 am (Universal Time) (8 km E)
0.1 quake Tyrrhenian Sea, 7.6 km south of Naples, Napoli, Campania, Italy, Oct 8, 2026 03:25 am (Universal Time) (12 km ESE)
0.1 quake Tyrrhenian Sea, 16 km east of Isola d'Ischia Island, Napoli, Campania, Italy, Oct 8, 2026 02:48 am (Universal Time) (8 km SW)
All earthquakes at Campi Flegrei (Phlegrean Fields)
Campi Flegrei is a 13-km-wide volcanic caldera encompassing part of Naples and the Gulf of Pozzuoli. Its last known eruption formed the Monte Nuovo cone in 1538.

Clear Lake volcano (California): 16 earthquakes up to magnitude 1.7

Possible earthquake swarm: 16 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 46 minutes ago. Hypocenter depths ranged between 3.22 and 0.66 km.
Earthquake details: (only 5 largest)
1.7 quake Sonoma County, 14 mi southwest of Clearlake, Lake County, California, United States, Oct 7, 2026 09:28 pm (GMT -7) (17 km SSW)
1.4 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, Oct 8, 2026 08:03 am (GMT -7) (17 km S)
1.3 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, Oct 8, 2026 07:20 am (GMT -7) (17 km S)
1.3 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, Oct 7, 2026 07:57 pm (GMT -7) (18 km SSW)
1.3 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Oct 7, 2026 04:17 pm (GMT -7) (18 km SSW)
All earthquakes at Clear Lake

Etna volcano (Italy): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 19 hours ago. The quake, which might be volcanic in origin, was located at a depth of 23.10 km depth at 19 km distance W from the volcano.
Earthquake details:
2.2 quake 11 km northwest of Adrano, Province of Catania, Sicily, Italy, Oct 7, 2026 10:30 pm (GMT +2) (19 km W)
All earthquakes at Etna
Etna is a frequently active stratovolcano in Sicily with documented eruptions dating to about 1500 BCE. Its activity ranges from summit explosions and lava fountains to flank eruptions with extensive lava flows.

Huambo volcano (Peru): magnitude 3.5 earthquake

A magnitude 3.5 earthquake occurred at the volcano 9 hours ago. The quake, which might be volcanic in origin, was located at a depth of 14.00 km depth at 11 km distance N from the volcano.
Earthquake details:
3.5 quake 99 km northwest of Arequipa, Arequipa, Peru, Oct 8, 2026 01:42 am (GMT -5) (11 km N)
All earthquakes at Huambo
Huambo is a two-part volcanic field in Peru. Its only confirmed dated eruption occurred at Cerro Keyocc around 700 BCE, producing explosive activity, scoria and lava flows.

Kozushima volcano (Izu Islands): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 19 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 5 km distance ESE from the volcano.
Earthquake details:
2.2 quake Philippine Sea, 5 km east of Kozu Shima Island, Tokyo, Japan, Oct 9, 2026 12:31 am (GMT +9) (5 km ESE)
All earthquakes at Kozushima
Kozushima is a Japanese island formed by 18 rhyolitic lava domes. Its last known eruption was a major explosive and effusive event in 838 CE that created the central Tenjosan dome.

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

3 earthquakes occurred near (under) the volcano during 15 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 42.11 and 1.99 km.
Earthquake details:
2.4 quake 41 mi southwest of Hilo, Hawaii County, Hawaii, United States, Oct 7, 2026 08:33 am (GMT -10) (7 km S)
2.1 quake 39 mi southwest of Hilo, Hawaii County, Hawaii, United States, Oct 7, 2026 11:57 pm (GMT -10) (6 km SSE)
1.8 quake 32 mi southwest of Hilo, Hawaii County, Hawaii, United States, Oct 7, 2026 04:19 pm (GMT -10) (14 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.

Numazawa volcano (Honshu): magnitude 2.8 earthquake

A magnitude 2.8 earthquake occurred at the volcano 9 hours ago. The quake, which might be volcanic in origin, was located at a depth of 6.30 km depth at 12 km distance WSW from the volcano.
Earthquake details:
2.8 quake 46 km west of Aizu-Wakamatsu, Fukushima, Japan, Oct 8, 2026 03:45 pm (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.

Ontake-san volcano (Honshu): magnitude 2.6 earthquake

A magnitude 2.6 earthquake occurred at the volcano 4 hours ago. The quake, which might be volcanic in origin, was located at a depth of 7.00 km depth at 15 km distance E from the volcano.
Earthquake details:
2.6 quake 29 km west of Ina, Nagano, Japan, Oct 8, 2026 08:35 pm (GMT +9) (15 km E)
All earthquakes at Ontake-san
Ontake-san, Japan’s second highest volcano, produced its first recorded eruption in 1979. A sudden steam-driven eruption in September 2014 killed many people on and near the summit.

Tindfjallajökull volcano (Iceland): magnitude 2.7 earthquake

A magnitude 2.7 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 11.10 km depth at 12 km distance ESE from the volcano.
Earthquake details:
2.7 quake 9.5 km NE of Básar Oct 7, 2026 05:51 pm (Universal Time) (12 km ESE)
All earthquakes at Tindfjallajökull
Tindfjallajökull is an Icelandic stratovolcano with a 5-km-wide caldera and an ice-capped northwestern rim. Its sparse eruptive record is uncertain, and its last eruption is unknown.

Vestmannaeyjar volcano (Iceland): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 16 hours ago. The quake, which might be volcanic in origin, was located at a depth of 15.90 km depth at 5 km distance W from the volcano.
Earthquake details:
2.2 quake 4.5 km WSW of Heimaklettur Oct 7, 2026 11:44 pm (Universal Time) (5 km W)
All earthquakes at Vestmannaeyjar
Vestmannaeyjar is an Icelandic volcanic system where the island of Surtsey emerged in 1963–67. A 1973 eruption on Heimaey sent lava into the town of Vestmannaeyjar and threatened its harbor.

White Island volcano (New Zealand): magnitude 2.2 earthquake

A magnitude 2.2 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 13 km distance WNW from the volcano.
Earthquake details:
2.2 quake South Pacific Ocean, 56 km north of Whakatane, Bay of Plenty, New Zealand, Oct 8, 2026 09:41 pm (GMT +13) (13 km WNW)
All earthquakes at White Island
Whakaari/White Island is an active offshore stratovolcano in New Zealand’s Bay of Plenty. A deadly explosion struck visitors in December 2019, and further eruptive activity was recorded in 2024–26.
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/373637/Volcano-earthquake-report-2026-10-08.html