Volcano earthquake report for Saturday, 2 Aug 2025
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 2 Aug 2025 Number in brackets indicate nr of quakes.

Quakes detected near: Agua (1 quake mag 3.1), Akuseki-jima (2 quakes between mag 2.0-2.5), Apaneca Range (10 quakes between mag 2.0-3.0), Apoyeque (2 quakes between mag 1.8-1.9), Askja (2 quakes between mag 0.5-1.4), Brennisteinsfjöll (2 quakes between mag 0.4-2.2)
Cerro Singüil (2 quakes between mag 2.0-2.5), Clear Lake (27 quakes between mag 0.2-1.6), Colli Albani (1 quake mag 3.0), El Chichón (1 quake mag 1.9), Eldey (4 quakes between mag 0.9-1.0), Etna (3 quakes between mag 1.1-2.1), Galeras (1 quake mag 3.0), Hekla (2 quakes between mag 0.8-1.2), Hiuchi (1 quake mag 1.3), Katla (4 quakes between mag 0.7-1.3), Kolumbo (4 quakes between mag 1.6-2.2), Koruhüyüğü (1 quake mag 1.1), Krísuvík (4 quakes between mag 0.2-1.9), Ksudach (1 quake mag 4.7), Kurikoma (4 quakes between mag 0.1-1.0), Loihi (2 quakes between mag 2.2-2.2), Loki-Fögrufjöll volcano (1 quake mag 1.4), Michoacán-Guanajuato (8 quakes between mag 2.2-3.6), Moffett (1 quake mag 1.8), Pacaya (1 quake mag 2.9), Platanar (3 quakes between mag 1.2-2.0), Prestahnukur (1 quake mag 1.9), Rotorua (14 quakes between mag 1.6-2.4), Ruapehu (1 quake mag 1.4), Salton Buttes (1 quake mag 1.5), Sanbe (4 quakes between mag 0.1-1.1), Santa Clara (3 quakes between mag 1.4-1.7), Santorini (2 quakes between mag 0.9-1.4), Spurr (1 quake mag 1.9), Sumaco (1 quake mag 1.7), To-shima (2 quakes between mag 1.0-1.6), Torfajökull (1 quake mag 1.2), Tsurumi (2 quakes between mag 0.3-1.6), Zao (2 quakes between mag 0.8-1.4) (updated 05h50)

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:



Agua volcano (Guatemala): magnitude 3.1 earthquake

A magnitude 3.1 earthquake occurred at the volcano 6 hours ago. The quake, which might be volcanic in origin, was located at a depth of 8.00 km depth at 11 km distance NE from the volcano.
Earthquake details:
3.1 quake Departamento de Sacatepequez, 20 km southwest of Guatemala City, Guatemala, Aug 1, 2025 05:41 pm (GMT -6) (11 km NE)
All earthquakes at Agua

Akuseki-jima volcano (Ryukyu Islands): 2 earthquakes up to magnitude 2.5

2 earthquakes occurred near (under) the volcano during 1 hour 35 minutes, the last being recorded quake 11 hours ago. Hypocenter depths ranged between 0 and 0.00 km.
Earthquake details:
2.5 quake East China Sea, Kagoshima-ken, 39 km south of Suwanose-jima Island, Japan, Aug 2, 2025 03:37 am (GMT +9) (19 km S)
2.0 quake East China Sea, Kagoshima-ken, 19 km southwest of Suwanose-jima Island, Japan, Aug 2, 2025 02:02 am (GMT +9) (4 km N)
All earthquakes at Akuseki-jima

Apaneca Range volcano (El Salvador): 10 earthquakes up to magnitude 3.0

10 earthquakes occurred near (under) the volcano during 20 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 13.00 and 3.00 km.
Earthquake details: (only 5 largest)
3.0 quake EL Salvador Aug 1, 2025 01:01 am (GMT -6) (18 km NNW)
2.5 quake EL Salvador Aug 1, 2025 12:03 pm (GMT -6) (18 km NNW)
2.5 quake EL Salvador Aug 1, 2025 08:20 am (GMT -6) (18 km NNW)
2.5 quake 4.4 km north of Ahuachapan, Departamento de Ahuachapan, El Salvador, Aug 1, 2025 04:17 am (GMT -6) (10 km NW)
2.4 quake 12 km north of Ahuachapan, Departamento de Ahuachapan, El Salvador, Aug 1, 2025 02:38 am (GMT -6) (16 km NNW)
All earthquakes at Apaneca Range

Brennisteinsfjöll volcano (Reykjanes Peninsula, Iceland): 2 earthquakes up to magnitude 2.2

2 earthquakes occurred near (under) the volcano during 53 minutes, the last being recorded quake 16 hours ago. Hypocenter depths ranged between 6.90 and 5.90 km.
Earthquake details:
2.2 quake 5.2 km SSW of Bláfjallaskáli Aug 1, 2025 01:31 pm (Universal Time) (8 km ENE)
0.4 quake Iceland: 4.4 km W of Þorlákshöfn Aug 1, 2025 12:38 pm (Reykjavik time) (19 km ESE)
All earthquakes at Brennisteinsfjöll

Cerro Singüil volcano (El Salvador): 2 earthquakes up to magnitude 2.5

2 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 1 hour 21 minutes ago. Hypocenter depths ranged between 5.00 and 5.00 km.
Earthquake details:
2.5 quake El Salvador Aug 1, 2025 12:55 am (GMT -6) (16 km W)
2.0 quake 25 km south of Jutiapa, Departamento de Jutiapa, Guatemala, Aug 1, 2025 10:28 pm (GMT -6) (18 km W)
All earthquakes at Cerro Singüil

Clear Lake volcano (California): 27 earthquakes up to magnitude 1.6

Possible earthquake swarm: 27 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 50 minutes ago. Hypocenter depths ranged between 3.52 and 0.46 km.
Earthquake details: (only 5 largest)
1.6 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Aug 1, 2025 10:44 am (GMT -7) (17 km SSW)
1.5 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Aug 1, 2025 03:15 pm (GMT -7) (18 km SSW)
1.3 quake 25 mi north of Santa Rosa, Sonoma County, California, United States, Aug 1, 2025 10:24 am (GMT -7) (19 km S)
1.2 quake 25 mi north of Santa Rosa, Sonoma County, California, United States, Aug 1, 2025 04:24 pm (GMT -7) (19 km S)
1.1 quake 25 mi north of Santa Rosa, Sonoma County, California, United States, Aug 1, 2025 06:34 pm (GMT -7) (19 km S)
All earthquakes at Clear Lake

Colli Albani 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 16 km distance NW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 6.9 km southeast of Rome, Citta metropolitana di Roma Capitale, Lazio, Italy, Aug 1, 2025 11:13 pm (GMT +2) (16 km NW)
All earthquakes at Colli Albani

Etna volcano (Italy): 3 earthquakes up to magnitude 2.1

3 earthquakes occurred near (under) the volcano during 5 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 21.33 and 11.78 km.
Earthquake details:
2.1 quake 8 km north of Adrano, Catania, Sicily, Italy, Aug 2, 2025 04:03 am (GMT +2) (14 km W)
1.7 quake 8.2 km north of Adrano, Catania, Sicily, Italy, Aug 1, 2025 11:26 pm (GMT +2) (12 km W)
1.1 quake 5.7 km southeast of Bronte, Catania, Sicily, Italy, Aug 2, 2025 12:27 am (GMT +2) (11 km W)
All earthquakes at Etna

Galeras volcano (Colombia): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 13 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 9 km distance E from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 1.4 km northwest of Pasto, Departamento de Narino, Colombia, Aug 1, 2025 12:12 pm (GMT -5) (9 km E)
All earthquakes at Galeras

Kolumbo volcano (Greece): 4 earthquakes up to magnitude 2.2

4 earthquakes occurred near (under) the volcano during 15 hours, the last being recorded quake 8 hours ago. Hypocenter depths ranged between 16.00 and 6.65 km.
Earthquake details:
2.2 quake Aegean Sea, 26 km northeast of Santorini Island, Greece, Aug 1, 2025 07:27 pm (GMT +3) (15 km ENE)
2.2 quake Aegean Sea, 27 km northeast of Santorini Island, Greece, Aug 1, 2025 08:27 pm (GMT +3) (14 km NE)
1.7 quake Aegean Sea, 28 km southeast of Nisi Irakleia Island, Greece, Aug 1, 2025 09:26 am (GMT +3) (18 km NE)
1.6 quake Aegean Sea, 20 km northeast of Santorini Island, Greece, Aug 2, 2025 12:21 am (GMT +3) (8 km ENE)
All earthquakes at Kolumbo

Ksudach volcano (Southern Kamchatka): magnitude 4.7 earthquake

A magnitude 4.7 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 23.00 km depth at 14 km distance NNE from the volcano.
Earthquake details:
4.7 quake Yelizovskiy Rayon, 145 km southwest of Petropavlovsk-Kamchatskiy, Kamchatka, Russia, Aug 1, 2025 08:07 pm (Kamchatka time) (14 km NNE)
All earthquakes at Ksudach

Loihi volcano (Hawai'i (Big Island)): 2 earthquakes up to magnitude 2.2

2 earthquakes occurred near (under) the volcano during 3 hours, the last being recorded quake 10 hours ago. Hypocenter depths ranged between 34.21 and 32.95 km.
Earthquake details:
2.2 quake North Pacific Ocean, 12 mi southeast of Pāhala, Hawaii County, Hawaii, United States, Aug 1, 2025 09:56 am (GMT -10) (19 km NW)
2.2 quake North Pacific Ocean, 12 mi southeast of Pāhala, Hawaii County, Hawaii, United States, Aug 1, 2025 06:52 am (GMT -10) (19 km NW)
All earthquakes at Loihi

Michoacán-Guanajuato volcano (Western & Central Mexico): 8 earthquakes up to magnitude 3.6

8 earthquakes occurred near (under) the volcano during 15 hours, the last being recorded quake 9 hours ago. Hypocenter depths ranged between 17.40 and 11.70 km.
Earthquake details: (only 5 largest)
3.6 quake 31 km west of Uruapan, Estado de Michoacan de Ocampo, Mexico, Aug 1, 2025 03:01 pm (GMT -6) (15 km SW)
3.0 quake 33 km north of Apatzingan, Estado de Michoacan de Ocampo, Mexico, Aug 1, 2025 01:33 am (GMT -6) (19 km SW)
2.6 quake 33 km west of Uruapan, Estado de Michoacan de Ocampo, Mexico, Aug 1, 2025 01:28 am (GMT -6) (16 km SW)
2.5 quake 33 km north of Apatzingan, Estado de Michoacan de Ocampo, Mexico, Aug 1, 2025 05:51 am (GMT -6) (18 km SW)
2.5 quake 31 km west of Uruapan, Estado de Michoacan de Ocampo, Mexico, Aug 1, 2025 04:08 am (GMT -6) (14 km SW)
All earthquakes at Michoacán-Guanajuato

Pacaya volcano (Guatemala): magnitude 2.9 earthquake

A magnitude 2.9 earthquake occurred at the volcano 5 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.00 km depth at 13 km distance N from the volcano.
Earthquake details:
2.9 quake 4.7 km southwest of Villa Nueva, Departamento de Guatemala, Guatemala, Aug 1, 2025 06:37 pm (GMT -6) (13 km N)
All earthquakes at Pacaya

Rotorua volcano (New Zealand): 14 earthquakes up to magnitude 2.4

Possible earthquake swarm: 14 earthquakes occurred near (under) the volcano during 1 hour 36 minutes, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 6.50 and 1.80 km.
Earthquake details: (only 5 largest)
2.4 quake 1.4 km north of Rotorua, Bay of Plenty, New Zealand, Aug 2, 2025 12:05 pm (GMT +12) (6 km SSW)
2.4 quake 1.1 km northeast of Rotorua, Bay of Plenty, New Zealand, Aug 2, 2025 12:34 pm (GMT +12) (6 km SSW)
2.3 quake 0.8 km northeast of Rotorua, Bay of Plenty, New Zealand, Aug 2, 2025 01:08 pm (GMT +12) (6 km SSW)
2.2 quake 2.2 km northeast of Rotorua, Bay of Plenty, New Zealand, Aug 2, 2025 12:14 pm (GMT +12) (5 km SSW)
2.1 quake 1.5 km northeast of Rotorua, Bay of Plenty, New Zealand, Aug 2, 2025 12:24 pm (GMT +12) (6 km S)
All earthquakes at Rotorua

Unnamed 52.92°N/158.52°E volcano (Southern Kamchatka): magnitude 4.7 earthquake

A magnitude 4.7 earthquake occurred at the volcano 41 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 35.00 km depth at 16 km distance ESE from the volcano.
Earthquake details:
4.7 quake Yelizovskiy Rayon, 147 km southeast of Petropavlovsk-Kamchatskiy, Kamchatka, Russia, Aug 2, 2025 04:08 pm (GMT +11) (16 km ESE)
All earthquakes at Unnamed 52.92°N/158.52°E
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