Volcano earthquake report for Monday, 26 October 2026
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 26 Oct 2026 Number in brackets indicate nr of quakes.

Quakes detected near: Agua (2 quakes between mag 1.2-1.3), Balut (5 quakes between mag 1.5-2.2), Campi Flegrei (Phlegrean Fields) (10 quakes between mag 0.1-2.3), Churchill (1 quake mag 1.3), Clear Lake (18 quakes between mag 0.4-1.4), Coso (4 quakes between mag 0.5-1.0)
Eldey (4 quakes between mag 0.8-1.4), Flores (8 quakes between mag 1.1-1.9), Hrómundartindur (5 quakes between mag 0.1-1.0), Kilauea (3 quakes between mag 1.9-2.1), Kolumbo (1 quake mag 1.4), Koruhüyüğü (1 quake mag 1.9), Malindang (1 quake mag 1.5), Martin (3 quakes between mag 0.7-1.0), Mayotte Island (1 quake mag 2.0), Milos (1 quake mag 2.2), Numazawa (1 quake mag 3.2), Sousaki (1 quake mag 1.1), Tjörnes Fracture Zone (2 quakes between mag 1.0-1.5), Vesuvius (1 quake mag 2.0), West Valley Segment (1 quake mag 2.2) (updated 19h50)\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): 5 earthquakes up to magnitude 2.2

5 earthquakes occurred near (under) the volcano during 14 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 33.00 and 9.00 km.
Earthquake details:
2.2 quake Philippine Sea, 17 km west of Sarangani Island, Philippines, Oct 27, 2026 12:00 am (GMT +8) (11 km NNW)
2.0 quake Celebes Sea, 22 km northwest of Sarangani Island, Philippines, Oct 26, 2026 10:07 am (GMT +8) (18 km NNW)
1.8 quake Philippine Sea, 14 km northwest of Sarangani Island, Philippines, Oct 26, 2026 04:42 pm (GMT +8) (17 km NNE)
1.6 quake Celebes Sea, 23 km west of Sarangani Island, Philippines, Oct 26, 2026 03:10 pm (GMT +8) (17 km NW)
1.5 quake Philippine Sea, 3 km southwest of Sarangani Island, Philippines, Oct 26, 2026 07:43 pm (GMT +8) (10 km ENE)
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): 10 earthquakes up to magnitude 2.3

10 earthquakes occurred near (under) the volcano during 9 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 2.69 and 1.00 km.
Earthquake details: (only 5 largest)
2.3 quake 12 km west of Naples, Napoli, Campania, Italy, Oct 26, 2026 11:44 am (GMT +1) (1 km SW)
1.2 quake 4 km southeast of Pozzuoli, Napoli, Campania, Italy, Oct 26, 2026 11:07 am (GMT +1) (0 km NNW)
1.1 quake 12 km west of Naples, Napoli, Campania, Italy, Oct 26, 2026 11:39 am (GMT +1) (1 km SW)
0.9 quake 12 km west of Naples, Napoli, Campania, Italy, Oct 26, 2026 11:42 am (GMT +1) (1 km SW)
0.6 quake 4 km southeast of Pozzuoli, Napoli, Campania, Italy, Oct 26, 2026 11:39 am (GMT +1) (0 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): 18 earthquakes up to magnitude 1.4

Possible earthquake swarm: 18 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 1 hour 36 minutes ago. Hypocenter depths ranged between 3.07 and 1.23 km.
Earthquake details: (only 5 largest)
1.4 quake Lake County, 27 mi north of Santa Rosa, Sonoma County, California, United States, Oct 25, 2026 04:02 pm (GMT -7) (16 km S)
1.3 quake Lake County, 26 mi north of Santa Rosa, Sonoma County, California, United States, Oct 26, 2026 10:44 am (GMT -7) (17 km S)
1.3 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Oct 26, 2026 07:42 am (GMT -7) (16 km S)
1.3 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, Oct 26, 2026 01:43 am (GMT -7) (18 km S)
1.3 quake Lake County, 28 mi north of Santa Rosa, Sonoma County, California, United States, Oct 25, 2026 07:00 pm (GMT -7) (15 km S)
All earthquakes at Clear Lake

Kilauea volcano (Hawai'i (Big Island)): 3 earthquakes up to magnitude 2.1

3 earthquakes occurred near (under) the volcano during 52 minutes, the last being recorded quake 19 hours ago. Hypocenter depths ranged between 30.70 and 0.87 km.
Earthquake details:
2.1 quake 29 mi south of Hilo, Hawaii County, Hawaii, United States, Oct 25, 2026 02:25 pm (GMT -10) (14 km SE)
2.0 quake 27 mi south of Hilo, Hawaii County, Hawaii, United States, Oct 25, 2026 02:47 pm (GMT -10) (9 km SE)
1.9 quake 35 mi southwest of Hilo, Hawaii County, Hawaii, United States, Oct 25, 2026 03:17 pm (GMT -10) (16 km SSW)
All earthquakes at Kilauea

Milos 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 18 km distance SSE from the volcano.
Earthquake details:
2.2 quake Aegean Sea, 16 km southeast of Milos Island, Greece, Oct 25, 2026 09:59 pm (GMT +2) (18 km SSE)
All earthquakes at Milos

Numazawa volcano (Honshu): magnitude 3.2 earthquake

A magnitude 3.2 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 0 km depth at 15 km distance WSW from the volcano.
Earthquake details:
3.2 quake 49 km west of Aizu-Wakamatsu, Fukushima, Japan, Oct 26, 2026 06:46 am (GMT +9) (15 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.

West Valley Segment volcano (North Pacific Ocean): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 18 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 11 km distance SSE from the volcano.
Earthquake details:
2.2 quake North Pacific Ocean, 218 km southwest of Vernon, Regional District of Mount Waddington, British Columbia, Canada, Oct 25, 2026 04:34 pm (GMT -9) (11 km SSE)
All earthquakes at West Valley Segment
West Valley Segment is a submarine fissure-vent cluster at the northern end of the Juan de Fuca Ridge. No eruption is known during approximately the past 12,000 years, though nearly 14,000 earthquakes were detected there during unrest in September 2001.
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/388658/Volcano-earthquake-report-2026-10-26.html