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

Quakes detected near: Agung (1 quake mag 2.6), Brennisteinsfjöll (2 quakes between mag 0.6-1.0), Campi Flegrei (Phlegrean Fields) (10 quakes between mag 0.1-1.2), Cerro Singüil (2 quakes between mag 2.8-3.0), Clear Lake (15 quakes between mag 0.2-1.2), Coso (6 quakes between mag 0.3-1.5)
El Chichón (2 quakes between mag 1.5-1.7), Ijen (1 quake mag 2.8), Izu-Tobu (6 quakes between mag 0.1-1.1), Karapinar (1 quake mag 1.1), Kirishima (3 quakes between mag 0.1-1.2), Klyuchevskoy (3 quakes between mag 1.2-1.7), Kolumbo (2 quakes between mag 1.8-2.1), Krísuvík (38 quakes between mag 0.2-1.9), Kurikoma (2 quakes between mag 0.7-1.4), Ljósufjöll (5 quakes between mag 0.5-1.4), Loki-Fögrufjöll volcano (2 quakes between mag 1.1-2.0), Masaya (1 quake mag 2.4), Mayotte Island (1 quake mag 1.3), Oshima (4 quakes between mag 0.5-1.2), Pantelleria (1 quake mag 3.0), Piparo (1 quake mag 3.0), Poas (2 quakes between mag 0.9-1.2), Reporoa (2 quakes between mag 1.3-1.4), Ruapehu (15 quakes between mag 0.2-1.1), Salton Buttes (1 quake mag 1.6), Santorini (2 quakes between mag 1.3-1.4), Shishaldin (7 quakes between mag 0.2-1.4), Suwanose-jima (1 quake mag 1.7), Taupo (1 quake mag 1.7), Terceira (1 quake mag 2.1), Timber Mountain (1 quake mag 1.0), Unzen (4 quakes between mag 0.3-1.2), Usulután (1 quake mag 2.3), Vatnafjöll (3 quakes between mag 0.8-3.2), Vulcano (1 quake mag 2.4), Washiba-Kumonotaira (2 quakes between mag 0.3-3.0) (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:



Agung volcano (Bali): magnitude 2.6 earthquake

A magnitude 2.6 earthquake occurred at the volcano 12 hours ago. The quake, which might be volcanic in origin, was located at a depth of 12.00 km depth at 18 km distance NNE from the volcano.
Earthquake details:
2.6 quake Bali Region, Indonesia, Sep 8, 2025 08:14 pm (GMT +8) (18 km NNE)
All earthquakes at Agung

Cerro Singüil volcano (El Salvador): 2 earthquakes up to magnitude 3.0

2 earthquakes occurred near (under) the volcano during 15 hours, the last being recorded quake 7 hours ago. Hypocenter depths ranged between 10.00 and 9.00 km.
Earthquake details:
Reported seismic-like event (likely no quake): Near Jutiapa, Jutiapa, Guatemala, Sep 8, 2025 10:21 am (GMT -6) (18 km W)
2.8 quake Guatemala Sep 7, 2025 07:41 pm (GMT -6) (18 km W)
All earthquakes at Cerro Singüil

Clear Lake volcano (California): 15 earthquakes up to magnitude 1.2

Possible earthquake swarm: 15 earthquakes occurred near (under) the volcano during 24 hours, the last being recorded quake 18 minutes ago. Hypocenter depths ranged between 8.09 and 1.56 km.
Earthquake details: (only 5 largest)
1.2 quake 8 km NNW of the Geysers, CA, Sep 8, 2025 04:31 pm (GMT -7) (16 km SSW)
1.1 quake 8 km NNW of the Geysers, CA, Sep 8, 2025 10:29 am (GMT -7) (16 km SSW)
1.0 quake 9 km NW of the Geysers, CA, Sep 7, 2025 05:22 pm (GMT -7) (18 km SSW)
0.8 quake 4 km NNW of the Geysers, CA, Sep 8, 2025 10:26 am (GMT -7) (18 km S)
0.8 quake 9 km NW of the Geysers, CA, Sep 7, 2025 05:08 pm (GMT -7) (18 km SSW)
All earthquakes at Clear Lake

Ijen volcano (East Java): magnitude 2.8 earthquake

A magnitude 2.8 earthquake occurred at the volcano 10 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 4 km distance NNE from the volcano.
Earthquake details:
2.8 quake Bali Region, Indonesia, Sep 8, 2025 08:26 pm (GMT +7) (4 km NNE)
All earthquakes at Ijen

Kolumbo volcano (Greece): 2 earthquakes up to magnitude 2.1

2 earthquakes occurred near (under) the volcano during 15 hours, the last being recorded quake 8 hours ago. Hypocenter depths ranged between 10.90 and 5.00 km.
Earthquake details:
2.1 quake Santorini Isl. - S. Greece Sep 8, 2025 06:28 pm (GMT +3) (12 km NE)
1.8 quake 26 km NNW From Anafi Sep 8, 2025 03:18 am (GMT +3) (14 km ENE)
All earthquakes at Kolumbo

Krísuvík volcano (Reykjanes Peninsula, Iceland): 38 earthquakes up to magnitude 1.9

Possible earthquake swarm: 38 earthquakes occurred near (under) the volcano during 18 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 5.80 and 2.90 km.
Earthquake details: (only 5 largest)
1.9 quake 5.0 km E of Keilir Sep 8, 2025 07:28 am (Universal Time) (2 km ENE)
1.9 quake 5.1 km E of Keilir Sep 8, 2025 08:03 am (Universal Time) (2 km ENE)
1.6 quake 0.9 km NNW of Krýsuvík Sep 8, 2025 08:39 am (Universal Time) (4 km SSE)
1.4 quake 2.8 km N of Krýsuvík Sep 8, 2025 05:54 am (Universal Time) (2 km SE)
1.3 quake Iceland: 2.9 km N of Krýsuvík Sep 8, 2025 02:27 pm (Reykjavik time) (2 km SE)
All earthquakes at Krísuvík

Masaya volcano (Nicaragua): magnitude 2.4 earthquake

A magnitude 2.4 earthquake occurred at the volcano 17 hours ago. The quake, which might be volcanic in origin, was located at a depth of 6.00 km depth at 7 km distance ESE from the volcano.
Earthquake details:
2.4 quake 1 km Al Suroeste De Masaya, Nicaragua, Sep 8, 2025 01:14 am (GMT -6) (7 km ESE)
All earthquakes at Masaya

Pantelleria volcano (Italy): 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 1 km distance WSW from the volcano.
Earthquake details:
Uncertain quake: M3.0, Near Ain Beida, Oum el Bouaghi, Algeria, Sep 8, 2025 03:51 pm (GMT +1) (1 km WSW)
All earthquakes at Pantelleria

Piparo volcano (Caribbean): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 3 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 14 km distance WSW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): Near Chaguanas, Chaguanas, Trinidad & Tobago, Sep 8, 2025 04:58 pm (GMT -4) (14 km WSW)
All earthquakes at Piparo

Ruapehu volcano (North Island): 15 earthquakes up to magnitude 1.1

Possible earthquake swarm: 15 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 1 hour 40 minutes ago. Hypocenter depths ranged between 43.40 and 5.00 km.
Earthquake details: (only 5 largest)
1.1 quake New Zealand Sep 8, 2025 03:28 pm (GMT +12) (16 km SW)
0.8 quake New Zealand Sep 9, 2025 12:18 am (GMT +12) (13 km WNW)
0.7 quake New Zealand Sep 9, 2025 10:09 am (GMT +12) (10 km ENE)
0.7 quake New Zealand Sep 9, 2025 05:38 am (GMT +12) (15 km WSW)
0.7 quake New Zealand Sep 8, 2025 09:48 pm (GMT +12) (6 km E)
All earthquakes at Ruapehu

Terceira volcano (Azores): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 3 hours ago. The quake, which might be volcanic in origin, was located at a depth of 8.10 km depth at 2 km distance WSW from the volcano.
Earthquake details:
2.1 quake Azores Islands, Portugal, Sep 8, 2025 09:12 pm (Universal Time) (2 km WSW)
All earthquakes at Terceira

Unnamed 52.92°N/158.52°E volcano (Southern Kamchatka): magnitude 3.0 earthquake

A magnitude 3.0 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 18 km distance NNE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): Near Petropavlovsk-Kamchatskiy, Kamchatka, Russia, Sep 8, 2025 05:39 pm (GMT +12) (18 km NNE)
All earthquakes at Unnamed 52.92°N/158.52°E

Usulután volcano (El Salvador): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 3 hours ago. The quake, which might be volcanic in origin, was located at a depth of 8.00 km depth at 1 km distance E from the volcano.
Earthquake details:
2.3 quake 9 km Al Norte De Usulután, El Salvador, Sep 8, 2025 03:05 pm (GMT -6) (1 km E)
All earthquakes at Usulután

Vatnafjöll volcano (Iceland): 3 earthquakes up to magnitude 3.2

3 earthquakes occurred near (under) the volcano during 3 hours, the last being recorded quake 7 hours ago. Hypocenter depths ranged between 9.20 and 5.30 km.
Earthquake details:
3.2 quake Iceland Sep 8, 2025 01:59 pm (Reykjavik time) (2 km SSW)
1.0 quake 1.8 km SSW of Vatnafjöll Sep 8, 2025 02:30 pm (Universal Time) (2 km S)
0.8 quake Iceland: 11.9 km SW of Vatnafjöll Sep 8, 2025 04:52 pm (Reykjavik time) (11 km SW)
All earthquakes at Vatnafjöll

Vulcano volcano (Eolian Islands): magnitude 2.4 earthquake

A magnitude 2.4 earthquake occurred at the volcano 24 hours ago. The quake, which might be volcanic in origin, was located at a depth of 9.87 km depth at 7 km distance SW from the volcano.
Earthquake details:
2.4 quake Isole Eolie (Messina) Sep 8, 2025 02:13 am (GMT +2) (7 km SW)
All earthquakes at Vulcano

Washiba-Kumonotaira volcano (Honshu): 2 earthquakes up to magnitude 3.0

2 earthquakes occurred near (under) the volcano during 6 minutes, the last being recorded quake 13 hours ago. Hypocenter depths ranged between 10.80 and 10.00 km.
Earthquake details:
3.0 quake Eastern Honshu, Japan, Sep 8, 2025 07:24 pm (GMT +9) (17 km W)
0.3 quake Japan: Toyama Gifu Border Region Sep 8, 2025 07:30 pm (GMT +9) (17 km WNW)
All earthquakes at Washiba-Kumonotaira
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/280180/Volcano-earthquake-report-for-Monday-8-Sep-2025.html