Volcano earthquake report for Wednesday, 3 Sep 2025
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 3 Sep 2025 Number in brackets indicate nr of quakes.

Quakes detected near: Acatenango (1 quake mag 2.2), Akagi (1 quake mag 1.3), Akuseki-jima (6 quakes between mag 1.5-2.1), Apaneca Range (1 quake mag 2.2), Aracar (1 quake mag 3.0), Arenal (1 quake mag 1.7)
Campi Flegrei (Phlegrean Fields) (2 quakes between mag 0.6-3.0), Clear Lake (22 quakes between mag 0.3-1.9), Colima (1 quake mag 3.2), Coso (6 quakes between mag 0.6-1.6), Cuilapa-Barbarena (1 quake mag 2.0), Denison (1 quake mag 1.2), Don Joao de Castro Bank (1 quake mag 2.3), El Chichón (10 quakes between mag 2.2-3.2), Eldey (4 quakes between mag 1.0-1.3), Grímsvötn (1 quake mag 1.1), Hakone (4 quakes between mag 0.1-2.3), Hiuchi (2 quakes between mag 0.8-1.7), Hofsjökull (1 quake mag 1.9), Hulubelu (1 quake mag 2.3), Ipala (1 quake mag 2.2), Iwate (1 quake mag 1.6), Katla (2 quakes between mag 0.9-1.1), Kilauea (2 quakes between mag 1.4-1.8), Krísuvík (8 quakes between mag 0.2-1.2), Kuwae (1 quake mag 2.5), La Palma (1 quake mag 1.4), Lavic Lake (1 quake mag 1.3), Ljósufjöll (5 quakes between mag 0.6-1.8), Loki-Fögrufjöll volcano (3 quakes between mag 0.7-2.0), Mahagnao (1 quake mag 1.8), Masaya (2 quakes between mag 2.1-2.6), Michoacán-Guanajuato (2 quakes between mag 2.2-3.0), Midagahara (2 quakes between mag 1.2-1.6), Mono Lake (1 quake mag 2.2), Mount Baker (1 quake mag 1.7), Mount St. Helens (1 quake mag 1.0), Nantai (1 quake mag 1.7), Nevado del Huila (1 quake mag 1.6), Ontake-san (4 quakes between mag 0.2-1.5), Oshima (1 quake mag 2.4), Parker (1 quake mag 1.3), Pico de Orizaba (1 quake mag 2.2), Platanar (1 quake mag 1.6), Pocdol Mountains (1 quake mag 3.0), Reporoa (1 quake mag 1.6), Sanbe (2 quakes between mag 0.2-1.0), Santorini (2 quakes between mag 0.7-1.4), Suretamatai (1 quake mag 3.4), Taupo (2 quakes between mag 1.3-1.5), Tenorio (1 quake mag 1.1), Terceira (2 quakes between mag 1.9-2.2), To-shima (2 quakes between mag 0.5-1.6), Vulcano (1 quake mag 1.6) (updated 18h50)

Note: 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.

Volcanoes with recent earthquakes above magnitude 2 or more than 10 quakes are listed below:



Acatenango volcano (Guatemala): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 12 hours ago. The quake, which might be volcanic in origin, was located at a depth of 3.00 km depth at 16 km distance NE from the volcano.
Earthquake details:
2.2 quake 8.2 km northwest of Antigua Guatemala, Departamento de Sacatepequez, Guatemala, Sep 3, 2025 01:16 am (GMT -6) (16 km NE)
All earthquakes at Acatenango

Akuseki-jima volcano (Ryukyu Islands): 6 earthquakes up to magnitude 2.1

6 earthquakes occurred near (under) the volcano during 15 hours, the last being recorded quake 7 hours ago. Hypocenter depths ranged between 14.00 and 0.00 km.
Earthquake details: (only 5 largest)
2.1 quake East China Sea, Kagoshima-ken, 33 km southwest of Suwanose-jima Island, Japan, Sep 3, 2025 06:02 am (GMT +9) (12 km SW)
2.1 quake East China Sea, Kagoshima-ken, 34 km southwest of Suwanose-jima Island, Japan, Sep 3, 2025 05:58 am (GMT +9) (12 km SW)
2.0 quake East China Sea, Kagoshima-ken, 19 km southwest of Suwanose-jima Island, Japan, Sep 3, 2025 08:45 pm (GMT +9) (4 km N)
2.0 quake East China Sea, Kagoshima-ken, 19 km southwest of Suwanose-jima Island, Japan, Sep 3, 2025 07:34 pm (GMT +9) (4 km N)
2.0 quake East China Sea, Kagoshima-ken, 19 km southwest of Suwanose-jima Island, Japan, Sep 3, 2025 07:32 pm (GMT +9) (4 km N)
All earthquakes at Akuseki-jima

Apaneca Range volcano (El Salvador): 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 10.00 km depth at 13 km distance NNW from the volcano.
Earthquake details:
2.2 quake 8.8 km north of Ahuachapan, Departamento de Ahuachapan, El Salvador, Sep 2, 2025 08:32 pm (GMT -6) (13 km NNW)
All earthquakes at Apaneca Range

Aracar volcano (Northern Chile, Bolivia and Argentina): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 5 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 15 km distance N from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 140 km south of San Pedro de Atacama, Provincia de El Loa, Region de Antofagasta, Chile, Sep 3, 2025 09:54 am (GMT -4) (15 km N)
All earthquakes at Aracar

Campi Flegrei (Phlegrean Fields) volcano (Italy): 2 earthquakes up to magnitude 3.0

2 earthquakes occurred near (under) the volcano during 14 hours, the last being recorded quake 9 hours ago. Hypocenter depths ranged between 10.00 and 1.81 km.
Earthquake details:
Reported seismic-like event (likely no quake): 13 km west of Naples, Napoli, Campania, Italy, Sep 2, 2025 10:35 pm (GMT +2) (2 km W)
0.6 quake 4.1 km southeast of Pozzuoli, Napoli, Campania, Italy, Sep 3, 2025 12:11 pm (GMT +2) (0 km SW)
All earthquakes at Campi Flegrei (Phlegrean Fields)

Clear Lake volcano (California): 22 earthquakes up to magnitude 1.9

Possible earthquake swarm: 22 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 2 hours ago. Hypocenter depths ranged between 15.03 and 0.06 km.
Earthquake details: (only 5 largest)
1.9 quake Sonoma County, 15 mi southwest of Clearlake, Lake County, California, United States, Sep 2, 2025 02:07 pm (GMT -7) (18 km SSW)
1.4 quake Lake County, 28 mi north of Santa Rosa, Sonoma County, California, United States, Sep 2, 2025 10:54 pm (GMT -7) (15 km S)
1.4 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Sep 2, 2025 08:48 pm (GMT -7) (18 km SSW)
1.3 quake Lake County, 28 mi north of Santa Rosa, Sonoma County, California, United States, Sep 3, 2025 05:13 am (GMT -7) (15 km S)
1.2 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Sep 2, 2025 06:04 pm (GMT -7) (16 km SSW)
All earthquakes at Clear Lake

Colima volcano (Western & Central Mexico): magnitude 3.2 earthquake

A magnitude 3.2 earthquake occurred at the volcano 9 hours ago. The quake, which might be volcanic in origin, was located at a depth of 29.80 km depth at 10 km distance NW from the volcano.
Earthquake details:
3.2 quake 28 km southwest of Ciudad Guzman, Estado de Jalisco, Mexico, Sep 3, 2025 03:56 am (GMT -6) (10 km NW)
All earthquakes at Colima

Don Joao de Castro Bank volcano (Azores): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 18 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.00 km depth at 10 km distance NNE from the volcano.
Earthquake details:
2.3 quake North Atlantic Ocean, 67 km southeast of Angra do Heroismo, Azores, Portugal, Sep 3, 2025 12:30 am (Universal Time) (10 km NNE)
All earthquakes at Don Joao de Castro Bank

El Chichón volcano (Southern Mexico): 10 earthquakes up to magnitude 3.2

10 earthquakes occurred near (under) the volcano during 1 hour 21 minutes, the last being recorded quake 22 hours ago. Hypocenter depths ranged between 2.00 and 2.00 km.
Earthquake details: (only 5 largest)
3.2 quake Estado de Chiapas, 36 km southwest of Teapa, Estado de Tabasco, Mexico, Sep 2, 2025 01:45 pm (GMT -6) (0 km SE)
2.9 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Sep 2, 2025 01:07 pm (GMT -6) (2 km W)
2.9 quake Estado de Chiapas, 38 km southwest of Teapa, Estado de Tabasco, Mexico, Sep 2, 2025 01:25 pm (GMT -6) (2 km SW)
2.9 quake Estado de Chiapas, 36 km southwest of Teapa, Estado de Tabasco, Mexico, Sep 2, 2025 01:28 pm (GMT -6) (0 km NE)
2.9 quake Estado de Chiapas, 36 km southwest of Teapa, Estado de Tabasco, Mexico, Sep 2, 2025 02:11 pm (GMT -6) (0 km N)
All earthquakes at El Chichón

Hakone volcano (Honshu): 4 earthquakes up to magnitude 2.3

4 earthquakes occurred near (under) the volcano during 27 minutes, the last being recorded quake 22 hours ago. Hypocenter depths ranged between 4.40 and 3.20 km.
Earthquake details:
2.3 quake 13 km west of Odawara, Kanagawa, Japan, Sep 3, 2025 05:49 am (GMT +9) (1 km SW)
0.7 quake 13 km west of Odawara, Kanagawa, Japan, Sep 3, 2025 05:52 am (GMT +9) (0 km SSW)
0.2 quake Japan: Hakone Region Sep 3, 2025 06:16 am (GMT +9) (0 km SW)
0.1 quake Japan: Hakone Region Sep 3, 2025 06:03 am (GMT +9) (0 km S)
All earthquakes at Hakone

Hulubelu volcano (Sumatra): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 20 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 1 km distance SW from the volcano.
Earthquake details:
2.3 quake Kabupaten Tanggamus, 77 km west of Bandar Lampung, Indonesia, Sep 3, 2025 05:44 am (GMT +7) (1 km SW)
All earthquakes at Hulubelu

Ipala volcano (Guatemala): 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 3.00 km depth at 18 km distance NNW from the volcano.
Earthquake details:
2.2 quake 5 km north of San Luis Jilotepeque, Departamento de Jalapa, Guatemala, Sep 3, 2025 05:36 am (GMT -6) (18 km NNW)
All earthquakes at Ipala

Kuwae volcano (Vanuatu): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 5 hours ago. The quake, which might be volcanic in origin, was located at a depth of 16.00 km depth at 15 km distance S from the volcano.
Earthquake details:
2.5 quake Coral Sea, 59 km north of Nguna Island, Shefa Province, Vanuatu, Sep 4, 2025 12:22 am (GMT +11) (15 km S)
All earthquakes at Kuwae

Masaya volcano (Nicaragua): 2 earthquakes up to magnitude 2.6

2 earthquakes occurred near (under) the volcano during 3 hours, the last being recorded quake 1 hour 60 minutes ago. Hypocenter depths ranged between 10.00 and 1.00 km.
Earthquake details:
2.6 quake 2.7 km south of Masaya, Departamento de Masaya, Nicaragua, Sep 3, 2025 10:50 am (GMT -6) (9 km ESE)
2.1 quake 8.3 km west of Masaya, Departamento de Masaya, Nicaragua, Sep 3, 2025 07:23 am (GMT -6) (1 km WSW)
All earthquakes at Masaya

Michoacán-Guanajuato volcano (Western & Central Mexico): 2 earthquakes up to magnitude 3.0

2 earthquakes occurred near (under) the volcano during 5 hours, the last being recorded quake 8 hours ago. Hypocenter depths ranged between 20.70 and 10.00 km.
Earthquake details:
3.0 quake 27 km west of Uruapan, Estado de Michoacan de Ocampo, Mexico, Sep 3, 2025 04:57 am (GMT -6) (10 km SW)
2.2 quake 29 km west of Uruapan, Estado de Michoacan de Ocampo, Mexico, Sep 2, 2025 11:43 pm (GMT -6) (12 km SW)
All earthquakes at Michoacán-Guanajuato

Mono Lake volcano (California): 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 15.57 km depth at 11 km distance NE from the volcano.
Earthquake details:
2.2 quake 28 mi north of Mammoth Lakes, Mono County, California, United States, Sep 2, 2025 07:52 pm (GMT -7) (11 km NE)
All earthquakes at Mono Lake

Oshima volcano (Izu Islands): magnitude 2.4 earthquake

A magnitude 2.4 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 18.00 km depth at 19 km distance ENE from the volcano.
Earthquake details:
2.4 quake North Pacific Ocean, Tokyo, 34 km southwest of Tateyama, Chiba, Japan, Sep 3, 2025 06:06 am (GMT +9) (19 km ENE)
All earthquakes at Oshima

Pico de Orizaba volcano (Western & Central Mexico): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 8 hours ago. The quake, which might be volcanic in origin, was located at a depth of 27.30 km depth at 6 km distance WSW from the volcano.
Earthquake details:
2.2 quake 13 km east of Ciudad Serdan, Estado de Puebla, Mexico, Sep 3, 2025 04:52 am (GMT -6) (6 km WSW)
All earthquakes at Pico de Orizaba

Pocdol Mountains volcano (Luzon Island): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 20 hours ago. The quake, which might be volcanic in origin, was located at a depth of 33.00 km depth at 9 km distance NNE from the volcano.
Earthquake details:
3.0 quake Philippine Sea, 15 km south of Batan Island, Philippines, Sep 3, 2025 07:11 am (GMT +8) (9 km NNE)
All earthquakes at Pocdol Mountains

Suretamatai volcano (Vanuatu): 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 0 km depth at 19 km distance NW from the volcano.
Earthquake details:
3.4 quake Coral Sea, 15 km south of Ureparapara Island, Torba Province, Vanuatu, Sep 4, 2025 01:38 am (GMT +11) (19 km NW)
All earthquakes at Suretamatai

Terceira volcano (Azores): 2 earthquakes up to magnitude 2.2

2 earthquakes occurred near (under) the volcano during 4 hours, the last being recorded quake 1 hour 35 minutes ago. Hypocenter depths ranged between 6.30 and 0.00 km.
Earthquake details:
2.2 quake 18 km northwest of Angra do Heroismo, Azores, Portugal, Sep 3, 2025 01:07 pm (Universal Time) (5 km NW)
1.9 quake 13 km northwest of Angra do Heroismo, Azores, Portugal, Sep 3, 2025 05:15 pm (Universal Time) (2 km NE)
All earthquakes at Terceira
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