Volcano earthquake report for Friday, 2 October 2026

Quakes detected near: Agua (1 quake mag 2.5), Akyarlar (1 quake mag 1.4), Askja (2 quakes between mag 0.7-1.6), Balut (1 quake mag 3.2), Clear Lake (35 quakes between mag 0.2-1.9), Fani Maoré (1 quake mag 2.2)
Flores (15 quakes between mag 0.9-2.5), Gareloi (3 quakes between mag 0.6-2.1), Grímsnes (1 quake mag 1.0), Hrómundartindur (8 quakes between mag 0.1-1.7), Iliamna (3 quakes between mag 0.4-1.0), Kanlaon (7 quakes between mag 1.7-3.0), Kilauea (47 quakes between mag 1.5-3.4), Kolbeinsey Ridge (5 quakes between mag 2.2-3.3), Kolumbo (3 quakes between mag 1.8-2.1), Krísuvík (7 quakes between mag 0.0-1.9), Kuchinoshima (1 quake mag 3.3), Loihi (2 quakes between mag 1.8-1.9), Mayotte Island (1 quake mag 1.3), Nemrut Dagi (1 quake mag 1.8), Pelée (22 quakes between mag 0.5-1.4), Platanar (1 quake mag 3.1), Prestahnukur (5 quakes between mag 1.3-2.8), Svartsengi (1 quake mag 2.1), Tambora (1 quake mag 2.9), Theistareykjarbunga (1 quake mag 1.7) (updated 01h50)\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:

Agua volcano (Guatemala): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 18 hours ago. The quake, which might be volcanic in origin, was located at a depth of 2.30 km depth at 0 km distance SE from the volcano.
Earthquake details:
2.5 quake 10.6 km south of Antigua Guatemala, Departamento de Sacatepequez, Guatemala, Oct 1, 2026 01:51 am (GMT -6) (0 km SE)
All earthquakes at Agua
Agua is a prominent 3,760 m stratovolcano beside Antigua, Guatemala. It has no recorded eruptions, while a devastating mudflow destroyed Ciudad Vieja in 1541.

Balut volcano (Mindanao): magnitude 3.2 earthquake

A magnitude 3.2 earthquake occurred at the volcano 11 hours ago. The quake, which might be volcanic in origin, was located at a depth of 6.00 km depth at 12 km distance WNW from the volcano.
Earthquake details:
3.2 quake Celebes Sea, 22 km west of Sarangani Island, Philippines, Oct 1, 2026 10:52 pm (GMT +8) (12 km WNW)
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): 35 earthquakes up to magnitude 1.9

Possible earthquake swarm: 35 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 29 minutes ago. Hypocenter depths ranged between 3.38 and 0.68 km.
Earthquake details: (only 5 largest)
1.9 quake Sonoma County, 15 mi southwest of Clearlake, Lake County, California, United States, Oct 1, 2026 06:21 pm (GMT -7) (18 km SSW)
1.9 quake Sonoma County, 13 mi southwest of Clearlake, Lake County, California, United States, Oct 1, 2026 12:09 am (GMT -7) (16 km SSW)
1.7 quake Sonoma County, 14 mi southwest of Clearlake, Lake County, California, United States, Oct 1, 2026 03:16 pm (GMT -7) (19 km S)
1.5 quake Sonoma County, 13 mi southwest of Clearlake, Lake County, California, United States, Oct 1, 2026 12:10 am (GMT -7) (16 km SSW)
1.3 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Oct 1, 2026 03:05 pm (GMT -7) (16 km S)
All earthquakes at Clear Lake

Fani Maoré volcano (Indian Ocean): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 6 hours ago. The quake, which might be volcanic in origin, was located at a depth of 42.86 km depth at 14 km distance NNW from the volcano.
Earthquake details:
2.2 quake 45 km east of Mamoudzou, Mamoudzou, Mayotte, Oct 1, 2026 11:15 pm (GMT +3) (14 km NNW)
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): 15 earthquakes up to magnitude 2.5

Possible earthquake swarm: 15 earthquakes occurred near (under) the volcano during 16 hours, the last being recorded quake 8 hours ago. Hypocenter depths ranged between 4.10 and 0.90 km.
Earthquake details: (only 5 largest)
2.5 quake 24 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 1, 2026 05:52 am (GMT -6) (14 km WNW)
2.5 quake 24 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 1, 2026 11:52 am (GMT -6) (14 km WNW)
2.0 quake 23 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 1, 2026 09:22 am (GMT -6) (14 km WNW)
2.0 quake 26 km west of Jutiapa, Departamento de Jutiapa, Guatemala, Oct 1, 2026 09:24 am (GMT -6) (14 km WNW)
2.0 quake 23 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Sep 30, 2026 09:38 pm (GMT -6) (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.

Gareloi volcano (Aleutian Islands): 3 earthquakes up to magnitude 2.1

3 earthquakes occurred near (under) the volcano during 9 hours, the last being recorded quake 10 hours ago. Hypocenter depths ranged between 11.58 and 8.38 km.
Earthquake details:
2.1 quake 92 mi west of Adak, Aleutians West Census Area, Alaska, United States, Oct 1, 2026 06:26 am (GMT -9) (3 km SSE)
0.8 quake 94 mi west of Adak, Aleutians West Census Area, Alaska, United States, Oct 1, 2026 06:37 am (Universal Time) (2 km SW)
0.6 quake 93 mi west of Adak, Aleutians West Census Area, Alaska, United States, Oct 1, 2026 12:08 pm (Universal Time) (3 km S)
All earthquakes at Gareloi
Gareloi is a two-summit stratovolcano in Alaska’s western Aleutians. A major eruption in 1929 opened a four-kilometre fissure and produced explosions, ejecta and lava flows; the last confirmed eruption was in 1989.

Kanlaon volcano (Central Philippines): 7 earthquakes up to magnitude 3.0

7 earthquakes occurred near (under) the volcano during 9 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 7.00 and 1.00 km.
Earthquake details: (only 5 largest)
3.0 quake 20 km east of La Carlota, Philippines, Oct 2, 2026 02:10 am (GMT +8) (7 km NNW)
3.0 quake 9.8 km east of La Carlota, Philippines, Oct 1, 2026 09:09 pm (GMT +8) (14 km W)
2.8 quake 20 km east of La Carlota, Philippines, Oct 1, 2026 10:03 pm (GMT +8) (7 km NNW)
2.6 quake 23 km southeast of Mansilingan, Philippines, Oct 2, 2026 04:04 am (GMT +8) (7 km NNW)
2.6 quake 20 km east of La Carlota, Philippines, Oct 1, 2026 07:14 pm (GMT +8) (7 km NNW)
All earthquakes at Kanlaon
Kanlaon is a 2,422-m-high stratovolcano and the highest point on the Philippine island of Negros. Its frequently explosive historical activity includes a deadly 1996 eruption and stronger eruptions during 2024-26.

Kilauea volcano (Hawai'i (Big Island)): 47 earthquakes up to magnitude 3.4

Possible earthquake swarm: 47 earthquakes occurred near (under) the volcano during 18 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 5.65 and 0.00 km.
Earthquake details: (only 5 largest)
3.4 quake 25 mi southwest of Hilo, Hawaii County, Hawaii, United States, Sep 30, 2026 09:52 pm (GMT -10) (2 km ESE)
2.6 quake 24 mi southwest of Hilo, Hawaii County, Hawaii, United States, Sep 30, 2026 11:55 pm (GMT -10) (2 km E)
2.6 quake 25 mi southwest of Hilo, Hawaii County, Hawaii, United States, Sep 30, 2026 09:32 pm (GMT -10) (2 km SE)
2.6 quake 25 mi southwest of Hilo, Hawaii County, Hawaii, United States, Sep 30, 2026 08:47 pm (GMT -10) (1 km SE)
2.4 quake 25 mi southwest of Hilo, Hawaii County, Hawaii, United States, Sep 30, 2026 11:26 pm (GMT -10) (1 km SE)
All earthquakes at Kilauea

Kolbeinsey Ridge volcano (Iceland): 5 earthquakes up to magnitude 3.3

5 earthquakes occurred near (under) the volcano during 1 hour 15 minutes, the last being recorded quake 18 hours ago. Hypocenter depths ranged between 10.00 and 0.20 km.
Earthquake details:
3.3 quake 58 km north of Siglufjordur, Northeast, Iceland, Oct 1, 2026 06:49 am (Universal Time) (8 km W)
2.5 quake 35.2 km WNW of Grímsey Oct 1, 2026 07:49 am (Universal Time) (10 km WNW)
2.5 quake 35.6 km WNW of Grímsey Oct 1, 2026 06:37 am (Universal Time) (10 km WNW)
2.5 quake 33.6 km WNW of Grímsey Oct 1, 2026 06:34 am (Universal Time) (8 km W)
2.2 quake 35.2 km WNW of Grímsey Oct 1, 2026 07:10 am (Universal Time) (10 km WNW)
All earthquakes at Kolbeinsey Ridge
Kolbeinsey Ridge is a submarine fissure-vent system north of Iceland, with tiny Kolbeinsey Island as its only expression above sea level. Historical eruption reports from 1372 and 1755 have uncertain locations.

Kolumbo volcano (Greece): 3 earthquakes up to magnitude 2.1

3 earthquakes occurred near (under) the volcano during 1 hour 26 minutes, the last being recorded quake 10 hours ago. Hypocenter depths ranged between 14.10 and 5.00 km.
Earthquake details:
2.1 quake Aegean Sea, 21 km northeast of Santorini Island, Greece, Oct 1, 2026 06:07 pm (GMT +3) (11 km ENE)
2.0 quake Aegean Sea, 21 km northeast of Santorini Island, Greece, Oct 1, 2026 05:03 pm (GMT +3) (10 km ENE)
1.8 quake Aegean Sea, 20 km northeast of Santorini Island, Greece, Oct 1, 2026 06:29 pm (GMT +3) (9 km ENE)
All earthquakes at Kolumbo

Kuchinoshima volcano (Ryukyu Islands): magnitude 3.3 earthquake

A magnitude 3.3 earthquake occurred at the volcano 7 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 10 km distance SE from the volcano.
Earthquake details:
3.3 quake East China Sea, Kagoshima-ken, 40 km northeast of Suwanose-jima Island, Japan, Oct 2, 2026 04:05 am (GMT +9) (10 km SE)
All earthquakes at Kuchinoshima
Kuchinoshima is a 628 m-high volcanic island in Japan’s northern Ryukyu Islands, formed by stratovolcanoes and numerous lava domes. Four radiocarbon-dated eruptive periods are listed, ending with an eruption centered on 1190 CE.

Pelée volcano (Caribbean): 22 earthquakes up to magnitude 1.4

Possible earthquake swarm: 22 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 59 minutes ago. Hypocenter depths ranged between 3.00 and 0.22 km.
Earthquake details: (only 5 largest)
1.4 quake 25 km northwest of Fort-de-France, Martinique, Oct 1, 2026 08:48 pm (GMT -4) (1 km WNW)
1.3 quake 25 km northwest of Fort-de-France, Martinique, Oct 1, 2026 07:31 pm (GMT -4) (0 km W)
1.3 quake 25 km northwest of Fort-de-France, Martinique, Oct 1, 2026 05:05 pm (GMT -4) (0 km WNW)
1.3 quake 25 km northwest of Fort-de-France, Martinique, Oct 1, 2026 02:03 am (GMT -4) (0 km W)
1.2 quake 25 km northwest of Fort-de-France, Martinique, Oct 1, 2026 06:40 pm (GMT -4) (0 km NW)
All earthquakes at Pelée
Pelée is the Martinique stratovolcano whose catastrophic 1902 eruption destroyed Saint-Pierre and became the defining example of Peléan eruptions. Its last known eruption ended in 1932.

Platanar volcano (Costa Rica): magnitude 3.1 earthquake

A magnitude 3.1 earthquake occurred at the volcano 10 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.00 km depth at 16 km distance SSW from the volcano.
Earthquake details:
3.1 quake Provincia de Alajuela, 46 km northwest of San Jose, Costa Rica, Oct 1, 2026 10:01 am (GMT -6) (16 km SSW)
All earthquakes at Platanar
Platanar is a large Costa Rican volcanic complex crowned by the 2,267 m Porvenir stratovolcano. No historical eruption is known, but geological evidence suggests possible activity within the past few thousand years.

Prestahnukur volcano (Iceland): 5 earthquakes up to magnitude 2.8

5 earthquakes occurred near (under) the volcano during 5 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 5.20 and 0.00 km.
Earthquake details:
2.8 quake West, 92 km northeast of Reykjavik, Capital Region, Iceland, Oct 1, 2026 06:19 pm (Reykjavik time) (10 km NE)
2.1 quake Iceland: 12.8 km S of Eiríksjökull Oct 1, 2026 11:02 pm (Reykjavik time) (10 km NE)
1.9 quake Iceland: 13.2 km S of Eiríksjökull Oct 1, 2026 08:06 pm (Reykjavik time) (11 km ENE)
1.8 quake Iceland: 13.4 km S of Eiríksjökull Oct 1, 2026 06:47 pm (Reykjavik time) (10 km ENE)
1.3 quake Iceland: 14.6 km S of Eiríksjökull Oct 1, 2026 11:08 pm (Reykjavik time) (8 km ENE)
All earthquakes at Prestahnukur
Prestahnúkur is a roughly 90-km-long volcanic system beside the Langjökull icecap in Iceland. Its three known eruptions occurred during the past 10,000 years, the last at approximately 3350 BCE.

Svartsengi volcano (Reykjanes Peninsula, Iceland): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 59 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 6.00 km depth at 5 km distance WNW from the volcano.
Earthquake details:
2.1 quake Iceland: 6.8 km NW of Reykjanestá Oct 2, 2026 12:50 am (Reykjavik time) (5 km WNW)
All earthquakes at Svartsengi
Svartsengi is a fissure-dominated volcanic system on Iceland’s Reykjanes Peninsula. Repeated lava-producing eruptions occurred near Sundhnúkagígar from December 2023 through August 2025.

Tambora volcano (Sumbawa): magnitude 2.9 earthquake

A magnitude 2.9 earthquake occurred at the volcano 12 hours ago. The quake, which might be volcanic in origin, was located at a depth of 28.00 km depth at 19 km distance W from the volcano.
Earthquake details:
2.9 quake Kabupaten Dompu, West Nusa Tenggara, Indonesia, Oct 1, 2026 10:16 pm (GMT +8) (19 km W)
All earthquakes at Tambora
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/369450/Volcano-earthquake-report-2026-10-02.html