Volcano earthquake report for Friday, 22 Aug 2025
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 22 Aug 2025 Number in brackets indicate nr of quakes.

Quakes detected near: Abu (55 quakes between mag 0.1-1.8), Aso (3 quakes between mag 0.4-2.3), Baru (2 quakes between mag 1.9-2.1), Brennisteinsfjöll (5 quakes between mag 0.2-1.5), Campi Flegrei (Phlegrean Fields) (6 quakes between mag 0.1-1.1), Cerro Singüil (20 quakes between mag 2.0-4.1)
Clear Lake (32 quakes between mag 0.1-1.6), Eldey (1 quake mag 1.2), Hrómundartindur (11 quakes between mag 0.1-1.3), Ibusuku (1 quake mag 1.0), Ijen (4 quakes between mag 2.4-3.8), Jan Mayen (1 quake mag 2.4), Kenger (1 quake mag 1.3), Kilauea (2 quakes between mag 1.8-2.1), Klyuchevskoy (2 quakes between mag 1.3-1.4), Kolumbo (3 quakes between mag 0.6-1.6), Krísuvík (11 quakes between mag 0.2-2.4), Kuchinoerabu-jima (1 quake mag 2.1), Ljósufjöll (7 quakes between mag 0.7-1.8), Loki-Fögrufjöll volcano (7 quakes between mag 0.7-2.7), Michoacán-Guanajuato (5 quakes between mag 2.6-2.8), Nantai (1 quake mag 1.8), Norikura (7 quakes between mag 0.3-3.0), Ontake-san (4 quakes between mag 0.3-1.2), Osore-yama (1 quake mag 1.0), Poas (1 quake mag 1.0), Ragang (1 quake mag 1.8), Rishiri (2 quakes between mag 1.0-1.9), Salton Buttes (1 quake mag 2.3), San Diego (1 quake mag 1.5), Santorini (1 quake mag 3.0), Silay (1 quake mag 1.3), Sundoro (1 quake mag 3.0), Taupo (2 quakes between mag 1.6-1.8), Tjörnes Fracture Zone (2 quakes between mag 1.0-1.2), To-shima (11 quakes between mag 1.0-2.0), Torfajökull (1 quake mag 1.2), Turrialba (1 quake mag 3.7), Unzen (1 quake mag 2.0), Vestmannaeyjar (1 quake mag 1.6) (updated 23h50)

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): 55 earthquakes up to magnitude 1.8

Possible earthquake swarm: 55 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 1 hour 20 minutes ago. Hypocenter depths ranged between 30.40 and 15.80 km.
Earthquake details: (only 5 largest)
1.8 quake 18 km northeast of Hagi, Yamaguchi, Japan, Aug 22, 2025 08:08 pm (GMT +9) (4 km WNW)
1.5 quake 38 km north of Yamaguchi, Yamaguchi, Japan, Aug 23, 2025 02:37 am (GMT +9) (4 km WNW)
1.4 quake 38 km north of Yamaguchi, Yamaguchi, Japan, Aug 22, 2025 09:58 am (GMT +9) (4 km WNW)
1.3 quake 38 km north of Yamaguchi, Yamaguchi, Japan, Aug 22, 2025 03:12 pm (GMT +9) (3 km WNW)
1.2 quake 37 km north of Yamaguchi, Yamaguchi, Japan, Aug 22, 2025 11:19 am (GMT +9) (4 km WNW)
All earthquakes at Abu

Aso volcano (Kyushu): 3 earthquakes up to magnitude 2.3

3 earthquakes occurred near (under) the volcano during 1 hour 30 minutes, the last being recorded quake 2 hours ago. Hypocenter depths ranged between 10.70 and 10.10 km.
Earthquake details:
2.3 quake 43 km northwest of Nobeoka, Miyazaki, Japan, Aug 23, 2025 05:16 am (GMT +9) (19 km ESE)
1.5 quake 43 km northwest of Nobeoka, Miyazaki, Japan, Aug 23, 2025 06:46 am (GMT +9) (19 km ESE)
0.4 quake 25 km east of Kumamoto, Kumamoto, Japan, Aug 23, 2025 06:18 am (GMT +9) (15 km W)
All earthquakes at Aso

Baru volcano (Panama): 2 earthquakes up to magnitude 2.1

2 earthquakes occurred near (under) the volcano during 43 minutes, the last being recorded quake 8 hours ago. Hypocenter depths ranged between 12.00 and 6.00 km.
Earthquake details:
2.1 quake 41 km north of David, Provincia de Chiriqui, Panama, Aug 22, 2025 10:05 am (GMT -5) (14 km E)
1.9 quake 39 km north of David, Provincia de Chiriqui, Panama, Aug 22, 2025 10:48 am (GMT -5) (14 km ESE)
All earthquakes at Baru

Cerro Singüil volcano (El Salvador): 20 earthquakes up to magnitude 4.1

Possible earthquake swarm: 20 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 26 minutes ago. Hypocenter depths ranged between 16.00 and 4.00 km.
Earthquake details: (only 5 largest)
4.1 quake Guatemala Aug 21, 2025 09:31 pm (El Salvador time) (18 km W)
3.8 quake Departamento de Ahuachapan, El Salvador, Aug 21, 2025 08:06 pm (GMT -6) (17 km W)
3.5 quake Departamento de Ahuachapan, El Salvador, Aug 22, 2025 05:14 pm (GMT -6) (16 km W)
3.5 quake El Salvador Aug 21, 2025 07:58 pm (GMT -6) (16 km W)
3.5 quake 27 km west of Santa Ana, Departamento de Santa Ana, El Salvador, Aug 21, 2025 08:20 pm (GMT -6) (16 km W)
All earthquakes at Cerro Singüil

Clear Lake volcano (California): 32 earthquakes up to magnitude 1.6

Possible earthquake swarm: 32 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 22 minutes ago. Hypocenter depths ranged between 12.46 and 0.05 km.
Earthquake details: (only 5 largest)
1.6 quake Sonoma County, 14 mi southwest of Clearlake, Lake County, California, United States, Aug 21, 2025 06:19 pm (GMT -7) (16 km SSW)
1.4 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Aug 22, 2025 09:06 am (GMT -7) (16 km S)
1.3 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Aug 22, 2025 04:40 am (GMT -7) (16 km SSW)
1.0 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Aug 22, 2025 04:28 pm (GMT -7) (15 km SSW)
1.0 quake Lake County, 28 mi north of Santa Rosa, Sonoma County, California, United States, Aug 21, 2025 09:29 pm (GMT -7) (15 km S)
All earthquakes at Clear Lake

Hrómundartindur volcano (Iceland): 11 earthquakes up to magnitude 1.3

Possible earthquake swarm: 11 earthquakes occurred near (under) the volcano during 8 hours, the last being recorded quake 15 hours ago. Hypocenter depths ranged between 8.60 and 2.00 km.
Earthquake details: (only 5 largest)
1.3 quake 1.2 km WNW of Hveradalir Aug 22, 2025 08:31 am (Universal Time) (12 km WSW)
0.9 quake 3.5 km SSW of Hrómundartindi Aug 22, 2025 01:25 am (Universal Time) (3 km SSW)
0.6 quake Iceland: 2.1 km ESE of Litla_Kaffistofan Aug 22, 2025 08:36 am (Reykjavik time) (13 km WSW)
0.5 quake 4.4 km ENE of Raufarhólshellir Aug 22, 2025 01:41 am (Universal Time) (14 km SSW)
0.4 quake Iceland: 0.8 km WSW of Hveradalir Aug 22, 2025 08:34 am (Reykjavik time) (12 km WSW)
All earthquakes at Hrómundartindur

Ijen volcano (East Java): 4 earthquakes up to magnitude 3.8

4 earthquakes occurred near (under) the volcano during 5 hours, the last being recorded quake 1 hour 40 minutes ago. Hypocenter depths ranged between 10.00 and 8.00 km.
Earthquake details:
3.8 quake 33 km northwest of Banyuwangi, Kabupaten Banyuwangi, Jawa Timur, Indonesia, Aug 23, 2025 12:34 am (GMT +7) (11 km N)
3.4 quake Kabupaten Situbondo, 34 km northwest of Banyuwangi, Indonesia, Aug 23, 2025 01:36 am (GMT +7) (11 km NNW)
2.6 quake 31 km northwest of Banyuwangi, Kabupaten Banyuwangi, Jawa Timur, Indonesia, Aug 23, 2025 05:10 am (GMT +7) (9 km N)
2.4 quake Kabupaten Bondowoso, 31 km northwest of Banyuwangi, Indonesia, Aug 23, 2025 01:13 am (GMT +7) (8 km NW)
All earthquakes at Ijen

Jan Mayen volcano (Atlantic Ocean): 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 16.50 km depth at 16 km distance WNW from the volcano.
Earthquake details:
2.4 quake 23 km north of Olonkinbyen, Jan Mayen, Svalbard and Jan Mayen, Aug 22, 2025 03:29 am (GMT +2) (16 km WNW)
All earthquakes at Jan Mayen

Kilauea volcano (Hawai'i (Big Island)): 2 earthquakes up to magnitude 2.1

2 earthquakes occurred near (under) the volcano during 5 hours, the last being recorded quake 9 hours ago. Hypocenter depths ranged between 3.45 and 2.15 km.
Earthquake details:
2.1 quake 28 mi south of Hilo, Hawaii County, Hawaii, United States, Aug 22, 2025 04:35 am (GMT -10) (15 km SE)
1.8 quake 25 mi southwest of Hilo, Hawaii County, Hawaii, United States, Aug 21, 2025 11:33 pm (GMT -10) (2 km ENE)
All earthquakes at Kilauea

Krísuvík volcano (Reykjanes Peninsula, Iceland): 11 earthquakes up to magnitude 2.4

Possible earthquake swarm: 11 earthquakes occurred near (under) the volcano during 10 hours, the last being recorded quake 14 hours ago. Hypocenter depths ranged between 5.30 and 2.60 km.
Earthquake details: (only 5 largest)
2.4 quake 3.5 km E of Keilir Aug 22, 2025 02:52 am (Universal Time) (1 km N)
1.0 quake Iceland: 3.1 km E of Keilir Aug 22, 2025 03:45 am (Reykjavik time) (1 km NNW)
0.9 quake Iceland: 4.4 km NNW of Krýsuvík Aug 22, 2025 02:10 am (Reykjavik time) (1 km SE)
0.6 quake Iceland: 4.8 km ESE of Keilir Aug 22, 2025 05:07 am (Reykjavik time) (1 km E)
0.5 quake Iceland: 4.4 km N of Krýsuvík Aug 22, 2025 02:14 am (Reykjavik time) (1 km ESE)
All earthquakes at Krísuvík

Kuchinoerabu-jima volcano (Ryukyu Islands): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 9 hours ago. The quake, which might be volcanic in origin, was located at a depth of 0 km depth at 18 km distance NNE from the volcano.
Earthquake details:
2.1 quake East China Sea, 16 km north of Kuchinoerabu-jima Island, Kagoshima-ken, Japan, Aug 23, 2025 12:07 am (GMT +9) (18 km NNE)
All earthquakes at Kuchinoerabu-jima

Loki-Fögrufjöll volcano volcano (Iceland): 7 earthquakes up to magnitude 2.7

7 earthquakes occurred near (under) the volcano during 7 hours, the last being recorded quake 9 hours ago. Hypocenter depths ranged between 10.90 and 2.70 km.
Earthquake details: (only 5 largest)
2.7 quake 2.4 km ESE of Hamarinn Aug 22, 2025 07:15 am (Universal Time) (2 km E)
1.3 quake 2.3 km ESE of Hamarinn Aug 22, 2025 07:36 am (Universal Time) (2 km E)
0.8 quake 1.5 km NE of Hamarinn Aug 22, 2025 08:59 am (Universal Time) (2 km NNE)
0.8 quake 2.2 km ESE of Hamarinn Aug 22, 2025 07:35 am (Universal Time) (1 km E)
0.7 quake 9.5 km NNW of Hamarinn Aug 22, 2025 02:22 pm (Universal Time) (11 km NNW)
All earthquakes at Loki-Fögrufjöll volcano

Michoacán-Guanajuato volcano (Western & Central Mexico): 5 earthquakes up to magnitude 2.8

5 earthquakes occurred near (under) the volcano during 10 hours, the last being recorded quake 13 hours ago. Hypocenter depths ranged between 17.80 and 15.00 km.
Earthquake details:
2.8 quake 31 km west of Uruapan, Estado de Michoacan de Ocampo, Mexico, Aug 22, 2025 04:51 am (GMT -6) (14 km SW)
2.8 quake 30 km west of Uruapan, Estado de Michoacan de Ocampo, Mexico, Aug 22, 2025 05:00 am (GMT -6) (12 km SW)
2.6 quake 30 km west of Uruapan, Estado de Michoacan de Ocampo, Mexico, Aug 21, 2025 06:59 pm (GMT -6) (13 km SW)
2.6 quake 30 km west of Uruapan, Estado de Michoacan de Ocampo, Mexico, Aug 22, 2025 01:46 am (GMT -6) (12 km SW)
2.6 quake 31 km west of Uruapan, Estado de Michoacan de Ocampo, Mexico, Aug 22, 2025 03:06 am (GMT -6) (14 km SW)
All earthquakes at Michoacán-Guanajuato

Norikura volcano (Honshu): 7 earthquakes up to magnitude 3.0

7 earthquakes occurred near (under) the volcano during 10 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 10.00 and 5.80 km.
Earthquake details: (only 5 largest)
3.0 quake 14 km east of Takayama, Gifu, Japan, Aug 22, 2025 05:05 pm (GMT +9) (18 km W)
0.7 quake 29 km east of Takayama, Gifu, Japan, Aug 23, 2025 03:22 am (GMT +9) (6 km S)
0.7 quake 10.7 km east of Takayama, Gifu, Japan, Aug 22, 2025 10:44 pm (GMT +9) (17 km W)
0.4 quake Japan: Northern Gifu Pref Aug 22, 2025 07:29 pm (GMT +9) (17 km W)
0.4 quake Japan: Northern Gifu Pref Aug 22, 2025 07:09 pm (GMT +9) (17 km W)
All earthquakes at Norikura

Salton Buttes volcano (California): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 4 hours ago. The quake, which might be volcanic in origin, was located at a depth of 9.60 km depth at 14 km distance SSE from the volcano.
Earthquake details:
2.3 quake 7.6 mi north of Brawley, Imperial County, California, United States, Aug 22, 2025 12:39 pm (GMT -7) (14 km SSE)
All earthquakes at Salton Buttes

Santorini volcano (Greece): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 9 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 6 km distance N from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 1.2 km east of Oia, Nomos Kykladon, South Aegean, Greece, Aug 22, 2025 05:44 pm (GMT +3) (6 km N)
All earthquakes at Santorini

Sundoro volcano (Central Java): magnitude 3.0 earthquake

A magnitude 3.0 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 4 km distance N from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 34 km northwest of Magelang, Kota Magelang, Provinsi Jawa Tengah, Indonesia, Aug 23, 2025 12:08 am (GMT +7) (4 km N)
All earthquakes at Sundoro

To-shima volcano (Izu Islands): 11 earthquakes up to magnitude 2.0

Possible earthquake swarm: 11 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 24.00 and 9.00 km.
Earthquake details: (only 5 largest)
2.0 quake North Pacific Ocean, Tokyo, 46 km southeast of Shimoda, Shizuoka, Japan, Aug 22, 2025 09:46 pm (GMT +9) (11 km E)
2.0 quake North Pacific Ocean, Tokyo, 48 km southeast of Shimoda, Shizuoka, Japan, Aug 22, 2025 10:08 am (GMT +9) (12 km E)
1.9 quake North Pacific Ocean, Tokyo, 46 km southeast of Shimoda, Shizuoka, Japan, Aug 23, 2025 06:06 am (GMT +9) (11 km ESE)
1.9 quake North Pacific Ocean, Tokyo, 47 km southeast of Shimoda, Shizuoka, Japan, Aug 22, 2025 10:35 am (GMT +9) (12 km ESE)
1.8 quake North Pacific Ocean, Tokyo, 49 km east of Shimoda, Shizuoka, Japan, Aug 22, 2025 09:19 am (GMT +9) (14 km E)
All earthquakes at To-shima

Turrialba volcano (Costa Rica): magnitude 3.7 earthquake

A magnitude 3.7 earthquake occurred at the volcano 19 hours ago. The quake, which might be volcanic in origin, was located at a depth of 13.00 km depth at 11 km distance ESE from the volcano.
Earthquake details:
3.7 quake Provincia de Cartago, 44 km east of San Jose, Provincia de San Jose, Costa Rica, Aug 21, 2025 11:01 pm (GMT -6) (11 km ESE)
All earthquakes at Turrialba
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/278566/Volcano-earthquake-report-for-Friday-22-Aug-2025.html