Volcano earthquake report for Friday, 21 Mar 2025
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 21 Mar 2025 Number in brackets indicate nr of quakes.

Quakes detected near: Akagi (2 quakes between mag 0.5-1.2), Apo (1 quake mag 2.2), Aso (3 quakes between mag 0.3-1.4), Bardarbunga (1 quake mag 1.1), Barva (1 quake mag 1.7), Cabalian (2 quakes between mag 1.6-1.9)
Clear Lake (40 quakes between mag 0.2-1.5), Conchagüita (1 quake mag 2.4), Coso (2 quakes between mag 1.5-1.8), Etna (1 quake mag 1.0), Eyafjallajökull (4 quakes between mag 0.7-1.2), Fagradalsfjall (1 quake mag 1.0), Grímsnes (3 quakes between mag 0.7-1.0), Haku-san (1 quake mag 1.6), Hiuchi (9 quakes between mag 0.1-2.2), Ilimuda (1 quake mag 3.3), Irazu (1 quake mag 1.3), Jan Mayen (17 quakes between mag 1.5-3.4), Katmai (1 quake mag 1.1), Kilauea (2 quakes between mag 1.7-2.4), Kolumbo (29 quakes between mag 0.0-3.0), Kurikoma (5 quakes between mag 0.2-1.1), La Palma (1 quake mag 1.4), Laacher See (1 quake mag 3.0), Maunaloa (2 quakes between mag 2.3-2.3), Methana (2 quakes between mag 1.6-2.2), Pinatubo (1 quake mag 1.2), Reporoa (2 quakes between mag 1.3-2.0), Ruang (1 quake mag 3.4), Sabancaya (1 quake mag 4.6), Santorini (6 quakes between mag 0.0-2.3), Sousaki (2 quakes between mag 1.1-2.1), Tambora (1 quake mag 4.8), Taupo (1 quake mag 3.3), Tenerife (1 quake mag 1.1), Tjörnes Fracture Zone (4 quakes between mag 0.3-1.4) (updated 14h50)

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:



Apo volcano (Mindanao): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 27.00 km depth at 8 km distance SW from the volcano.
Earthquake details:
2.2 quake 16 km southeast of Kidapawan, Cotabato, Soccsksargen, Philippines, Mar 21, 2025 01:16 am (GMT +8) (8 km SW)
All earthquakes at Apo
Apo volcano (2938 m) on Mindanao forms the highest peak of the Philippines. Its volcanic history is not well known, but although there are no historic eruptions it is considered to be active.

The volcano has an extensive hydrothermal field with ongoing geothermal exploration. Small shallow earthquakes related to this activity are common.

Clear Lake volcano (California): 40 earthquakes up to magnitude 1.5

Possible earthquake swarm: 40 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 10 minutes ago. Hypocenter depths ranged between 4.11 and 0.27 km.
Earthquake details: (only 5 largest)
1.5 quake 25 mi north of Santa Rosa, Sonoma County, California, United States, Mar 20, 2025 07:00 pm (GMT -7) (19 km S)
1.2 quake 25 mi north of Santa Rosa, Sonoma County, California, United States, Mar 20, 2025 07:03 pm (GMT -7) (19 km S)
1.2 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Mar 20, 2025 04:29 pm (GMT -7) (15 km SSW)
1.2 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Mar 20, 2025 08:22 pm (GMT -7) (16 km SSW)
1.0 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, Mar 20, 2025 08:40 am (GMT -7) (18 km S)
All earthquakes at Clear Lake

Conchagüita volcano (El Salvador): 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 9.00 km depth at 13 km distance WNW from the volcano.
Earthquake details:
2.4 quake 7.5 km southwest of La Union, La Union, El Salvador, Mar 20, 2025 04:15 pm (GMT -6) (13 km WNW)
All earthquakes at Conchagüita

Hiuchi volcano (Honshu): 9 earthquakes up to magnitude 2.2

9 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 1 hour 51 minutes ago. Hypocenter depths ranged between 12.00 and 3.60 km.
Earthquake details: (only 5 largest)
2.2 quake Gunma, 39 km northwest of Imaichi, Tochigi, Japan, Mar 21, 2025 12:05 am (GMT +9) (10 km ENE)
1.3 quake Fukushima, 33 km northwest of Imaichi, Tochigi, Japan, Mar 21, 2025 05:19 am (GMT +9) (19 km E)
1.0 quake Fukushima, 39 km northwest of Imaichi, Tochigi, Japan, Mar 21, 2025 03:22 am (GMT +9) (9 km ENE)
0.9 quake Fukushima, 39 km northwest of Imaichi, Tochigi, Japan, Mar 21, 2025 06:54 pm (GMT +9) (9 km ENE)
0.8 quake Fukushima, 40 km northwest of Imaichi, Tochigi, Japan, Mar 21, 2025 09:11 pm (GMT +9) (7 km ENE)
All earthquakes at Hiuchi

Ilimuda volcano (Flores): magnitude 3.3 earthquake

A magnitude 3.3 earthquake occurred at the volcano 24 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 8 km distance ENE from the volcano.
Earthquake details:
3.3 quake East Flores Regency, 61 km east of Maumere, Indonesia, Mar 20, 2025 10:56 pm (GMT +8) (8 km ENE)
All earthquakes at Ilimuda

Jan Mayen volcano (Atlantic Ocean): 17 earthquakes up to magnitude 3.4

Possible earthquake swarm: 17 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 1 hour 8 minutes ago. Hypocenter depths ranged between 20.40 and 0.00 km.
Earthquake details: (only 5 largest)
3.4 quake 34 km northeast of Olonkinbyen, Jan Mayen, Svalbard and Jan Mayen, Mar 20, 2025 06:23 pm (Longyearbyen time) (14 km NNW)
3.2 quake 34 km northeast of Olonkinbyen, Jan Mayen, Svalbard and Jan Mayen, Mar 21, 2025 10:07 am (GMT +1) (11 km N)
2.6 quake 35 km northeast of Olonkinbyen, Jan Mayen, Svalbard and Jan Mayen, Mar 21, 2025 10:00 am (GMT +1) (13 km N)
2.3 quake 31 km northeast of Olonkinbyen, Jan Mayen, Svalbard and Jan Mayen, Mar 20, 2025 06:57 pm (GMT +1) (9 km NNW)
1.9 quake 28 km northeast of Olonkinbyen, Jan Mayen, Svalbard and Jan Mayen, Mar 21, 2025 07:53 am (GMT +1) (8 km NW)
All earthquakes at Jan Mayen

Kilauea volcano (Hawai'i (Big Island)): 2 earthquakes up to magnitude 2.4

2 earthquakes occurred near (under) the volcano during 5 hours, the last being recorded quake 13 hours ago. Hypocenter depths ranged between 32.67 and 1.89 km.
Earthquake details:
2.4 quake 38 mi southwest of Hilo, Hawaii County, Hawaii, United States, Mar 20, 2025 11:26 am (GMT -10) (19 km SSW)
1.7 quake 2.8 mi southwest of Volcano, Hawaii County, Hawaii, United States, Mar 20, 2025 04:18 pm (GMT -10) (2 km ENE)
All earthquakes at Kilauea

Kolumbo volcano (Greece): 29 earthquakes up to magnitude 3.0

Possible earthquake swarm: 29 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 1 hour 53 minutes ago. Hypocenter depths ranged between 21.85 and 5.00 km.
Earthquake details: (only 5 largest)
3.0 quake Aegean Sea, 25 km northeast of Santorini Island, Cyclades, South Aegean, Greece, Mar 20, 2025 07:00 pm (GMT +2) (14 km NE)
2.7 quake Aegean Sea, 27 km northeast of Santorini Island, Cyclades, South Aegean, Greece, Mar 21, 2025 10:38 am (GMT +2) (16 km NE)
2.4 quake Aegean Sea, 26 km northeast of Santorini Island, Cyclades, South Aegean, Greece, Mar 20, 2025 08:14 pm (GMT +2) (16 km ENE)
2.2 quake Aegean Sea, 30 km north of Anafi Island, Cyclades, South Aegean, Greece, Mar 20, 2025 09:40 pm (GMT +2) (19 km NE)
2.2 quake Aegean Sea, 25 km northeast of Santorini Island, Cyclades, South Aegean, Greece, Mar 20, 2025 05:37 pm (GMT +2) (15 km ENE)
All earthquakes at Kolumbo

Laacher See volcano (Germany): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 1 km distance WNW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 31 km southeast of Milton Keynes, Milton Keynes, England, United Kingdom, Mar 20, 2025 05:00 pm (GMT +0) (1 km WNW)
All earthquakes at Laacher See

Maunaloa volcano (Hawai'i (Big Island)): 2 earthquakes up to magnitude 2.3

2 earthquakes occurred near (under) the volcano at nearly the same time (05:16 UTC). Hypocenter depths ranged between 7.03 and 1.66 km.
Earthquake details:
2.3 quake 35 mi southwest of Hilo, Hawaii County, Hawaii, United States, Mar 20, 2025 07:16 pm (GMT -10) (15 km SE)
2.3 quake 39 mi southwest of Hilo, Hawaii County, Hawaii, United States, Mar 20, 2025 07:15 pm (GMT -10) (9 km SSE)
All earthquakes at Maunaloa

Methana volcano (Greece): 2 earthquakes up to magnitude 2.2

2 earthquakes occurred near (under) the volcano during 11 hours, the last being recorded quake 8 hours ago. Hypocenter depths ranged between 31.08 and 14.02 km.
Earthquake details:
2.2 quake Aegean Sea, 8 km west of Aegina Island, Attica, Greece, Mar 21, 2025 08:34 am (GMT +2) (15 km NNE)
1.6 quake Aegean Sea, 9.6 km northwest of Aegina Island, Attica, Greece, Mar 20, 2025 09:06 pm (GMT +2) (18 km NNE)
All earthquakes at Methana

Ruang volcano (Sulawesi & Sangihe Islands): magnitude 3.4 earthquake

A magnitude 3.4 earthquake occurred at the volcano 24 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 16 km distance W from the volcano.
Earthquake details:
3.4 quake Celebes Sea, 22 km west of Pulau Tahulandang Island, North Sulawesi, Indonesia, Mar 20, 2025 11:06 pm (Makassar time) (16 km W)
All earthquakes at Ruang

Sabancaya volcano (Peru): magnitude 4.6 earthquake

A magnitude 4.6 earthquake occurred at the volcano 14 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:
4.6 quake 90 km north of Arequipa, Arequipa, Peru, Mar 20, 2025 08:04 pm (Lima time) (15 km N)
All earthquakes at Sabancaya

Santorini volcano (Greece): 6 earthquakes up to magnitude 2.3

6 earthquakes occurred near (under) the volcano during 16 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 26.84 and 5.00 km.
Earthquake details: (only 5 largest)
2.3 quake 1.1 km northwest of Fira, Cyclades, South Aegean, Greece, Mar 21, 2025 11:13 am (GMT +2) (4 km NE)
2.1 quake Aegean Sea, 7.6 km east of Santorini Island, Cyclades, South Aegean, Greece, Mar 20, 2025 11:00 pm (GMT +2) (13 km E)
2.1 quake Aegean Sea, 7.9 km northwest of Santorini Island, Cyclades, South Aegean, Greece, Mar 20, 2025 07:03 pm (GMT +2) (5 km NNW)
2.0 quake 1.2 km north of Fira, Cyclades, South Aegean, Greece, Mar 21, 2025 05:23 am (GMT +2) (4 km NE)
1.9 quake 5.2 km southeast of Fira, Cyclades, South Aegean, Greece, Mar 20, 2025 10:09 pm (GMT +2) (8 km E)
All earthquakes at Santorini

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

2 earthquakes occurred near (under) the volcano during 8 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 5.00 and 5.00 km.
Earthquake details:
2.1 quake Aegean Sea, Peloponnese, 36 km west of Nisi Salamina Island, Attica, Greece, Mar 21, 2025 12:13 pm (GMT +2) (4 km N)
1.1 quake 18 km southeast of Corinth, Corinthia, Peloponnese, Greece, Mar 21, 2025 04:22 am (GMT +2) (13 km S)
All earthquakes at Sousaki

Tambora volcano (Sumbawa): magnitude 4.8 earthquake

A magnitude 4.8 earthquake occurred at the volcano 17 hours ago. The quake, which might be volcanic in origin, was located at a depth of 12.00 km depth at 19 km distance NW from the volcano.
Earthquake details:
4.8 quake Bima Regency, 66 km northeast of Sumbawa Besar, Indonesia, Mar 21, 2025 06:09 am (Makassar time) (19 km NW)
All earthquakes at Tambora

Taupo volcano (New Zealand): magnitude 3.3 earthquake

A magnitude 3.3 earthquake occurred at the volcano 19 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.50 km depth at 18 km distance SE from the volcano.
Earthquake details:
3.3 quake 28 km south of Taupo, Waikato, New Zealand, Mar 21, 2025 08:25 am (GMT +13) (18 km SE)
All earthquakes at Taupo

Unnamed 24.00°N/121.83°E volcano (Taiwan): magnitude 4.0 earthquake

A magnitude 4.0 earthquake occurred at the volcano 5 hours ago. The quake, which might be volcanic in origin, was located at a depth of 27.00 km depth at 19 km distance WNW from the volcano.
Earthquake details:
4.0 quake Philippine Sea, 13 km northeast of Hualien City, Taiwan, Mar 21, 2025 06:10 pm (GMT +8) (19 km WNW)
All earthquakes at Unnamed 24.00°N/121.83°E
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