Volcano earthquake report for Friday, 8 Aug 2025
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 8 Aug 2025 Number in brackets indicate nr of quakes.

Quakes detected near: Abu (18 quakes between mag 0.1-1.4), Apaneca Range (1 quake mag 2.2), Aso (1 quake mag 1.1), Avachinsky (1 quake mag 1.8), Bandai (5 quakes between mag 0.4-1.3), Brennisteinsfjöll (9 quakes between mag 0.7-3.3)
Campi Flegrei (Phlegrean Fields) (7 quakes between mag 0.1-1.5), Canlaon (1 quake mag 1.9), Clear Lake (16 quakes between mag 0.2-1.4), Coso (9 quakes between mag 0.8-1.9), Daisen (6 quakes between mag 0.1-1.7), Don Joao de Castro Bank (1 quake mag 2.0), El Chichón (3 quakes between mag 1.9-2.7), Eldey (8 quakes between mag 0.1-1.8), Etna (2 quakes between mag 1.1-1.2), Grímsnes (3 quakes between mag 0.8-1.4), Grímsvötn (1 quake mag 1.9), Iriomote-jima (2 quakes between mag 0.8-1.3), Isla El Tigre (3 quakes between mag 2.1-2.3), Katla (4 quakes between mag 0.2-2.0), Kilauea (2 quakes between mag 1.7-1.7), Kolumbo (3 quakes between mag 1.1-2.3), Krísuvík (13 quakes between mag 0.2-1.5), Kuju (19 quakes between mag 0.1-2.3), Kutcharo (1 quake mag 1.1), Kuwae (1 quake mag 3.4), Latukan (1 quake mag 2.5), Lihir (1 quake mag 3.0), Ljósufjöll (9 quakes between mag 0.2-1.6), Loki-Fögrufjöll volcano (3 quakes between mag 0.6-1.9), Megata (1 quake mag 1.9), Michoacán-Guanajuato (3 quakes between mag 2.7-3.1), Ndete Napu (1 quake mag 2.0), Norikura (4 quakes between mag 0.1-1.1), Oshima (6 quakes between mag 0.5-2.1), Platanar (22 quakes between mag 1.0-3.0), Poas (3 quakes between mag 0.8-1.3), Rotorua (1 quake mag 3.0), Santorini (1 quake mag 1.0), Serdán-Oriental (1 quake mag 3.1), Spurr (1 quake mag 1.3), Tenerife (6 quakes between mag 0.9-1.2), Tenorio (2 quakes between mag 2.7-3.8), Tjörnes Fracture Zone (23 quakes between mag 0.2-2.9), To-shima (1 quake mag 1.6), Vesuvius (4 quakes between mag 0.1-1.4) (updated 11h50)

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:



Abu volcano (Honshu): 18 earthquakes up to magnitude 1.4

Possible earthquake swarm: 18 earthquakes occurred near (under) the volcano during 11 hours, the last being recorded quake 9 hours ago. Hypocenter depths ranged between 28.70 and 26.80 km.
Earthquake details: (only 5 largest)
1.4 quake 36 km north of Yamaguchi, Yamaguchi, Japan, Aug 8, 2025 04:34 am (GMT +9) (4 km W)
1.4 quake 35 km north of Yamaguchi, Yamaguchi, Japan, Aug 8, 2025 06:00 am (GMT +9) (4 km W)
0.9 quake Japan: Yamaguchi Pref Aug 8, 2025 11:56 am (GMT +9) (4 km W)
0.9 quake Japan: Yamaguchi Pref Aug 8, 2025 04:20 am (GMT +9) (4 km WSW)
0.9 quake Japan: Yamaguchi Pref Aug 8, 2025 01:08 am (GMT +9) (4 km W)
All earthquakes at Abu

Apaneca Range volcano (El Salvador): 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 5.00 km depth at 18 km distance NNW from the volcano.
Earthquake details:
2.2 quake 14 km north of Ahuachapan, Departamento de Ahuachapan, El Salvador, Aug 7, 2025 11:29 pm (GMT -6) (18 km NNW)
All earthquakes at Apaneca Range

Brennisteinsfjöll volcano (Reykjanes Peninsula, Iceland): 9 earthquakes up to magnitude 3.3

9 earthquakes occurred near (under) the volcano during 14 hours, the last being recorded quake 37 minutes ago. Hypocenter depths ranged between 25.70 and 0.10 km.
Earthquake details: (only 5 largest)
3.3 quake 23 km south of Reykjavik, Capital Region, Iceland, Aug 7, 2025 09:12 pm (Reykjavik time) (5 km ENE)
2.9 quake Southern Peninsula, 21 km south of Reykjavik, Capital Region, Iceland, Aug 7, 2025 09:10 pm (Reykjavik time) (6 km NE)
1.9 quake 6.2 km SW of Bláfjallaskáli Aug 7, 2025 09:18 pm (Universal Time) (5 km NE)
1.8 quake Iceland: 5.7 km WSW of Bláfjallaskáli Aug 7, 2025 09:13 pm (Reykjavik time) (6 km NE)
0.9 quake 6.8 km SW of Bláfjallaskáli Aug 8, 2025 11:13 am (Universal Time) (5 km ENE)
All earthquakes at Brennisteinsfjöll

Clear Lake volcano (California): 16 earthquakes up to magnitude 1.4

Possible earthquake swarm: 16 earthquakes occurred near (under) the volcano during 20 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 11.16 and 0.34 km.
Earthquake details: (only 5 largest)
1.4 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, Aug 7, 2025 12:26 pm (GMT -7) (18 km SSW)
1.1 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Aug 7, 2025 05:48 am (GMT -7) (18 km SSW)
1.0 quake 7 km NW of the Geysers, CA, Aug 7, 2025 09:23 am (GMT -7) (18 km SSW)
1.0 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Aug 7, 2025 09:14 am (GMT -7) (18 km SSW)
1.0 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Aug 7, 2025 08:42 am (GMT -7) (16 km S)
All earthquakes at Clear Lake

El Chichón volcano (Southern Mexico): 3 earthquakes up to magnitude 2.7

3 earthquakes occurred near (under) the volcano during 8 hours, the last being recorded quake 15 hours ago. Hypocenter depths ranged between 4.00 and 2.00 km.
Earthquake details:
2.7 quake Estado de Chiapas, 39 km southwest of Teapa, Estado de Tabasco, Mexico, Aug 7, 2025 10:13 am (Merida time) (6 km WNW)
2.6 quake Estado de Chiapas, 29 km west of Teapa, Estado de Tabasco, Mexico, Aug 7, 2025 06:08 am (GMT -6) (14 km N)
1.9 quake Estado de Chiapas, 36 km southwest of Teapa, Estado de Tabasco, Mexico, Aug 7, 2025 02:28 pm (GMT -6) (1 km N)
All earthquakes at El Chichón

Isla El Tigre volcano (Honduras): 3 earthquakes up to magnitude 2.3

3 earthquakes occurred near (under) the volcano during 8 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 7.00 and 3.00 km.
Earthquake details:
2.3 quake North Pacific Ocean, 31 km southwest of San Lorenzo, Honduras, Aug 7, 2025 07:34 pm (GMT -6) (5 km W)
2.2 quake North Pacific Ocean, 31 km southwest of San Lorenzo, Honduras, Aug 8, 2025 12:54 am (GMT -6) (4 km SSW)
2.1 quake North Pacific Ocean, 31 km southwest of San Lorenzo, Honduras, Aug 8, 2025 03:19 am (GMT -6) (5 km W)
All earthquakes at Isla El Tigre

Kolumbo volcano (Greece): 3 earthquakes up to magnitude 2.3

3 earthquakes occurred near (under) the volcano during 18 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 45.37 and 15.20 km.
Earthquake details:
2.3 quake Aegean Sea, 21 km northeast of Santorini Island, Greece, Aug 7, 2025 03:06 pm (GMT +3) (12 km ENE)
2.1 quake Aegean Sea, 27 km northeast of Santorini Island, Greece, Aug 8, 2025 02:47 am (GMT +3) (13 km ENE)
1.1 quake Aegean Sea, 18 km north of Santorini Island, Greece, Aug 8, 2025 09:28 am (GMT +3) (5 km NNE)
All earthquakes at Kolumbo

Krísuvík volcano (Reykjanes Peninsula, Iceland): 13 earthquakes up to magnitude 1.5

Possible earthquake swarm: 13 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 2 hours ago. Hypocenter depths ranged between 10.80 and 3.60 km.
Earthquake details: (only 5 largest)
1.5 quake 3.1 km N of Krýsuvík Aug 8, 2025 01:38 am (Universal Time) (2 km SE)
1.1 quake 2.6 km N of Krýsuvík Aug 8, 2025 05:53 am (Universal Time) (3 km SE)
1.1 quake Iceland: 3.6 km NE of Krýsuvík Aug 8, 2025 08:01 am (Reykjavik time) (5 km ESE)
0.9 quake Iceland: 2.5 km NNE of Krýsuvík Aug 8, 2025 09:25 am (Reykjavik time) (3 km SE)
0.8 quake Iceland: 3.5 km N of Krýsuvík Aug 8, 2025 01:14 am (Reykjavik time) (2 km ESE)
All earthquakes at Krísuvík

Kuju volcano (Kyushu): 19 earthquakes up to magnitude 2.3

Possible earthquake swarm: 19 earthquakes occurred near (under) the volcano during 20 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 9.50 and 2.60 km.
Earthquake details: (only 5 largest)
2.3 quake 37 km west of Oita, Oita Prefecture, Japan, Aug 8, 2025 10:49 am (GMT +9) (7 km NNW)
1.6 quake 16 km south of Tsukawaki, Oita Prefecture, Japan, Aug 8, 2025 09:11 am (GMT +9) (7 km NW)
1.4 quake 36 km west of Oita, Oita Prefecture, Japan, Aug 8, 2025 03:53 am (GMT +9) (7 km NNW)
1.2 quake 38 km west of Oita, Oita Prefecture, Japan, Aug 8, 2025 04:52 pm (GMT +9) (7 km NNW)
1.2 quake 41 km west of Oita, Oita Prefecture, Japan, Aug 7, 2025 09:21 pm (GMT +9) (8 km NW)
All earthquakes at Kuju

Kuwae volcano (Vanuatu): magnitude 3.4 earthquake

A magnitude 3.4 earthquake occurred at the volcano 8 hours ago. The quake, which might be volcanic in origin, was located at a depth of 0 km depth at 17 km distance NE from the volcano.
Earthquake details:
3.4 quake Coral Sea, 51 km southeast of Paama Island, Malampa Province, Vanuatu, Aug 8, 2025 02:45 pm (Efate time) (17 km NE)
All earthquakes at Kuwae

Latukan volcano (Mindanao): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 24 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 24.00 km depth at 13 km distance SSE from the volcano.
Earthquake details:
2.5 quake 42 km north of Malingao, Cotabato, Soccsksargen, Philippines, Aug 8, 2025 07:26 pm (GMT +8) (13 km SSE)
All earthquakes at Latukan

Lihir volcano (New Ireland Province): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 15 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 4 km distance NNW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 145 km north of Kokopo, East New Britain Province, Papua New Guinea, Aug 8, 2025 07:03 am (GMT +10) (4 km NNW)
All earthquakes at Lihir

Michoacán-Guanajuato volcano (Western & Central Mexico): 3 earthquakes up to magnitude 3.1

3 earthquakes occurred near (under) the volcano during 5 hours, the last being recorded quake 19 hours ago. Hypocenter depths ranged between 22.60 and 12.70 km.
Earthquake details:
3.1 quake 29 km west of Uruapan, Estado de Michoacan de Ocampo, Mexico, Aug 7, 2025 05:57 am (GMT -6) (13 km SW)
2.8 quake 30 km west of Uruapan, Estado de Michoacan de Ocampo, Mexico, Aug 7, 2025 08:52 am (Mexico City time) (13 km SW)
2.7 quake 30 km west of Uruapan, Estado de Michoacan de Ocampo, Mexico, Aug 7, 2025 10:58 am (Mexico City time) (15 km SW)
All earthquakes at Michoacán-Guanajuato

Oshima volcano (Izu Islands): 6 earthquakes up to magnitude 2.1

6 earthquakes occurred near (under) the volcano during 6 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 16.20 and 7.20 km.
Earthquake details: (only 5 largest)
2.1 quake North Pacific Ocean, Tokyo, 26 km southeast of Ito, Shizuoka, Japan, Aug 8, 2025 08:59 am (GMT +9) (14 km WNW)
1.8 quake North Pacific Ocean, Tokyo, 26 km southeast of Ito, Shizuoka, Japan, Aug 8, 2025 03:00 pm (GMT +9) (14 km WNW)
1.2 quake Japan: Near Izu-Oshima Island Aug 8, 2025 09:01 am (GMT +9) (15 km WNW)
0.8 quake North Pacific Ocean, Tokyo, 24 km southeast of Ito, Shizuoka, Japan, Aug 8, 2025 09:03 am (GMT +9) (17 km WNW)
0.6 quake North Pacific Ocean, Tokyo, 25 km southeast of Ito, Shizuoka, Japan, Aug 8, 2025 09:37 am (GMT +9) (15 km NW)
All earthquakes at Oshima

Platanar volcano (Costa Rica): 22 earthquakes up to magnitude 3.0

Possible earthquake swarm: 22 earthquakes occurred near (under) the volcano during 6 hours, the last being recorded quake 17 hours ago. Hypocenter depths ranged between 11.00 and 0.00 km.
Earthquake details: (only 5 largest)
3.0 quake Provincia de Alajuela, 46 km northwest of San Jose, Costa Rica, Aug 7, 2025 06:31 am (GMT -6) (5 km SSE)
2.3 quake 14 km southeast of Quesada, Provincia de Alajuela, Costa Rica, Aug 7, 2025 08:11 am (GMT -6) (7 km SSE)
2.1 quake 14 km southeast of Quesada, Provincia de Alajuela, Costa Rica, Aug 7, 2025 10:22 am (GMT -6) (8 km SSE)
2.1 quake 14 km southeast of Quesada, Provincia de Alajuela, Costa Rica, Aug 7, 2025 10:08 am (GMT -6) (7 km SSE)
2.0 quake 15 km southeast of Quesada, Provincia de Alajuela, Costa Rica, Aug 7, 2025 12:34 pm (GMT -6) (9 km SSE)
All earthquakes at Platanar

Rotorua volcano (New Zealand): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 11 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 8 km distance SSW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 0.7 km south of Rotorua, Bay of Plenty, New Zealand, Aug 8, 2025 01:16 pm (GMT +12) (8 km SSW)
All earthquakes at Rotorua

Serdán-Oriental volcano (Western & Central Mexico): magnitude 3.1 earthquake

A magnitude 3.1 earthquake occurred at the volcano 17 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 15 km distance WSW from the volcano.
Earthquake details:
3.1 quake 10 km north of San Salvador El Seco, Estado de Puebla, Mexico, Aug 7, 2025 12:56 pm (Mexico City time) (15 km WSW)
All earthquakes at Serdán-Oriental

Tenorio volcano (Costa Rica): 2 earthquakes up to magnitude 3.8

2 earthquakes occurred near (under) the volcano during 12 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 10.00 and 5.00 km.
Earthquake details:
3.8 quake 30 km southeast of San José, Provincia de Alajuela, Costa Rica, Aug 8, 2025 12:52 am (Costa Rica time) (4 km NNW)
2.7 quake 27 km southeast of San José, Provincia de Alajuela, Costa Rica, Aug 7, 2025 12:52 pm (Costa Rica time) (7 km NNW)
All earthquakes at Tenorio

Tjörnes Fracture Zone volcano (Iceland): 23 earthquakes up to magnitude 2.9

Possible earthquake swarm: 23 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 1 hour 39 minutes ago. Hypocenter depths ranged between 17.80 and 1.10 km.
Earthquake details: (only 5 largest)
2.9 quake 87 km northeast of Akureyri, Northeast, Iceland, Aug 7, 2025 02:46 pm (Reykjavik time) (17 km ESE)
1.6 quake Iceland: 14.8 km WSW of Kópasker Aug 7, 2025 05:33 pm (Reykjavik time) (17 km ESE)
1.4 quake 14.5 km WSW of Kópasker Aug 7, 2025 02:58 pm (Universal Time) (17 km ESE)
1.4 quake 14.5 km WSW of Kópasker Aug 8, 2025 08:32 am (Universal Time) (17 km ESE)
1.4 quake 14.4 km WSW of Kópasker Aug 8, 2025 06:08 am (Universal Time) (17 km ESE)
All earthquakes at Tjörnes Fracture Zone
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/277505/Volcano-earthquake-report-for-Friday-8-Aug-2025.html