Volcano earthquake report for Tuesday, 29 Jul 2025
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 29 Jul 2025 Number in brackets indicate nr of quakes.

Quakes detected near: Azuma (2 quakes between mag 1.1-1.1), Bardarbunga (2 quakes between mag 1.4-1.7), Brennisteinsfjöll (3 quakes between mag 0.3-1.8), Campi Flegrei (Phlegrean Fields) (15 quakes between mag 0.1-1.8), Cerro Santiago (2 quakes between mag 0.0-5.3), Cerro Singüil (1 quake mag 5.6)
Clear Lake (27 quakes between mag 0.2-2.1), El Chichón (5 quakes between mag 2.3-2.9), Etna (2 quakes between mag 1.4-1.9), Gilbanta (1 quake mag 2.4), Hachimantai (1 quake mag 1.6), Kilauea (1 quake mag 2.2), Kirishima (2 quakes between mag 0.4-1.0), Kolumbo (4 quakes between mag 1.6-2.2), Krísuvík (11 quakes between mag 0.0-1.0), Kuju (11 quakes between mag 0.5-2.7), Ljósufjöll (12 quakes between mag 0.1-2.6), Loki-Fögrufjöll volcano (2 quakes between mag 0.9-1.8), Methana (1 quake mag 1.9), Michoacán-Guanajuato (11 quakes between mag 2.2-3.4), Mount Baker (1 quake mag 1.4), Romeral (1 quake mag 1.5), San Cristobal (1 quake mag 2.2), Santorini (1 quake mag 1.3), Spurr (2 quakes between mag 1.5-1.7), Taal (1 quake mag 4.2), Tenerife (3 quakes between mag 0.3-1.0), To-shima (1 quake mag 1.2), Torfajökull (3 quakes between mag 0.9-1.4), Unzen (11 quakes between mag 0.3-2.2) (updated 21h50)

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:



Campi Flegrei (Phlegrean Fields) volcano (Italy): 15 earthquakes up to magnitude 1.8

Possible earthquake swarm: 15 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 2 hours ago. Hypocenter depths ranged between 2.25 and 0.35 km.
Earthquake details: (only 5 largest)
1.8 quake 4.4 km southeast of Pozzuoli, Napoli, Campania, Italy, Jul 29, 2025 05:37 am (GMT +2) (0 km E)
1.0 quake Campi Flegrei Jul 29, 2025 02:41 pm (GMT +2) (1 km NNW)
0.7 quake 2.1 km northwest of Bagnoli, Napoli, Campania, Italy, Jul 29, 2025 09:26 pm (GMT +2) (1 km SE)
0.6 quake Italy: Flegrei Jul 29, 2025 09:28 pm (GMT +2) (1 km SE)
0.6 quake Italy: Flegrei Jul 29, 2025 09:26 pm (GMT +2) (1 km SSE)
All earthquakes at Campi Flegrei (Phlegrean Fields)

Cerro Santiago volcano (Guatemala): 2 earthquakes up to magnitude 5.3

2 earthquakes occurred near (under) the volcano at nearly the same time (21:25 UTC). Hypocenter depths ranged between 10.00 and 10.00 km.
Earthquake details:
5.3 quake 13 km south of Jutiapa, Departamento de Jutiapa, Guatemala, Jul 29, 2025 03:25 pm (Guatemala time) (19 km S)
0.0 quake 17 km southeast of Jutiapa, Departamento de Jutiapa, Guatemala, Jul 29, 2025 03:25 pm (GMT -6) (17 km SE)
All earthquakes at Cerro Santiago

Cerro Singüil volcano (El Salvador): magnitude 5.6 earthquake

A magnitude 5.6 earthquake occurred at the volcano 28 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 7.75 km depth at 15 km distance WNW from the volcano.
Earthquake details:
5.6 quake 25 km southeast of Jutiapa, Departamento de Jutiapa, Guatemala, Jul 29, 2025 03:21 pm (Guatemala time) (15 km WNW)
All earthquakes at Cerro Singüil

Clear Lake volcano (California): 27 earthquakes up to magnitude 2.1

Possible earthquake swarm: 27 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 35 minutes ago. Hypocenter depths ranged between 3.35 and 0.02 km.
Earthquake details: (only 5 largest)
2.1 quake 12 mi southwest of Clearlake, Lake County, California, United States, Jul 28, 2025 05:24 pm (GMT -7) (15 km S)
1.6 quake 13 mi southwest of Clearlake, Lake County, California, United States, Jul 29, 2025 10:51 am (GMT -7) (15 km S)
1.5 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, Jul 29, 2025 01:25 pm (GMT -7) (18 km S)
1.3 quake Lake County, 28 mi north of Santa Rosa, Sonoma County, California, United States, Jul 29, 2025 02:15 pm (GMT -7) (15 km S)
1.2 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Jul 28, 2025 04:44 pm (GMT -7) (16 km SSW)
All earthquakes at Clear Lake

El Chichón volcano (Southern Mexico): 5 earthquakes up to magnitude 2.9

5 earthquakes occurred near (under) the volcano during 54 minutes, the last being recorded quake 22 hours ago. Hypocenter depths ranged between 2.90 and 2.00 km.
Earthquake details:
2.9 quake Estado de Chiapas, 38 km southwest of Teapa, Estado de Tabasco, Mexico, Jul 28, 2025 05:29 pm (GMT -6) (2 km W)
2.7 quake Estado de Chiapas, 36 km southwest of Teapa, Estado de Tabasco, Mexico, Jul 28, 2025 05:31 pm (GMT -6) (0 km NW)
2.4 quake Estado de Chiapas, 36 km southwest of Teapa, Estado de Tabasco, Mexico, Jul 28, 2025 05:25 pm (GMT -6) (1 km NE)
2.3 quake Estado de Chiapas, 34 km southwest of Teapa, Estado de Tabasco, Mexico, Jul 28, 2025 05:48 pm (GMT -6) (3 km NNE)
2.3 quake Estado de Chiapas, 36 km southwest of Teapa, Estado de Tabasco, Mexico, Jul 28, 2025 06:18 pm (GMT -6) (0 km W)
All earthquakes at El Chichón

Gilbanta volcano (Lesser Sunda Islands): magnitude 2.4 earthquake

A magnitude 2.4 earthquake occurred at the volcano 5 hours ago. The quake, which might be volcanic in origin, was located at a depth of 9.00 km depth at 17 km distance E from the volcano.
Earthquake details:
2.4 quake Flores Sea, 17 km north of Pulau Komodo Island, East Nusa Tenggara, Indonesia, Jul 30, 2025 12:48 am (GMT +8) (17 km E)
All earthquakes at Gilbanta

Kilauea volcano (Hawai'i (Big Island)): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 12 hours ago. The quake, which might be volcanic in origin, was located at a depth of 6.85 km depth at 18 km distance ESE from the volcano.
Earthquake details:
2.2 quake 28 mi south of Hilo, Hawaii County, Hawaii, United States, Jul 28, 2025 11:49 pm (GMT -10) (18 km ESE)
All earthquakes at Kilauea

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

4 earthquakes occurred near (under) the volcano during 11 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 10.00 and 7.70 km.
Earthquake details:
2.2 quake Aegean Sea, 26 km southeast of Nisi Irakleia Island, Greece, Jul 29, 2025 03:18 pm (GMT +3) (19 km NE)
2.0 quake Aegean Sea, 26 km northeast of Santorini Island, Greece, Jul 29, 2025 09:40 pm (GMT +3) (14 km NE)
2.0 quake Aegean Sea, 31 km northeast of Oia, Nomos Kykladon, South Aegean, Greece, Jul 29, 2025 03:59 pm (GMT +3) (19 km NE)
1.6 quake Aegean Sea, 30 km northwest of Nisi Anafi Island, Greece, Jul 29, 2025 11:07 am (GMT +3) (18 km NE)
All earthquakes at Kolumbo

Krísuvík volcano (Reykjanes Peninsula, Iceland): 11 earthquakes up to magnitude 1.0

Possible earthquake swarm: 11 earthquakes occurred near (under) the volcano during 17 hours, the last being recorded quake 1 hour 30 minutes ago. Hypocenter depths ranged between 5.10 and 2.70 km.
Earthquake details: (only 5 largest)
1.0 quake Iceland: 2.0 km N of Krýsuvík Jul 29, 2025 08:32 am (Reykjavik time) (3 km SE)
0.9 quake Iceland: 4.7 km NNE of Krýsuvík Jul 29, 2025 05:17 pm (Reykjavik time) (3 km E)
0.9 quake Iceland: 0.4 km N of Krýsuvík Jul 29, 2025 01:31 pm (Reykjavik time) (5 km SSE)
0.8 quake Iceland: 3.4 km NNE of Krýsuvík Jul 29, 2025 01:12 pm (Reykjavik time) (4 km ESE)
0.7 quake Iceland: 2.7 km N of Krýsuvík Jul 29, 2025 02:56 am (Reykjavik time) (2 km SE)
All earthquakes at Krísuvík

Kuju volcano (Kyushu): 11 earthquakes up to magnitude 2.7

Possible earthquake swarm: 11 earthquakes occurred near (under) the volcano during 15 hours, the last being recorded quake 1 hour 51 minutes ago. Hypocenter depths ranged between 6.10 and 2.20 km.
Earthquake details: (only 5 largest)
2.7 quake 40 km west of Oita, Oita Prefecture, Japan, Jul 29, 2025 02:30 pm (GMT +9) (6 km WNW)
2.6 quake 41 km west of Oita, Oita Prefecture, Japan, Jul 29, 2025 02:30 pm (GMT +9) (6 km WNW)
1.7 quake 19 km south of Tsukawaki, Oita Prefecture, Japan, Jul 29, 2025 02:31 pm (GMT +9) (6 km WNW)
1.0 quake 41 km west of Oita, Oita Prefecture, Japan, Jul 29, 2025 02:35 pm (GMT +9) (6 km WNW)
1.0 quake 40 km west of Oita, Oita Prefecture, Japan, Jul 29, 2025 02:24 pm (GMT +9) (6 km WNW)
All earthquakes at Kuju

Ljósufjöll volcano (Iceland): 12 earthquakes up to magnitude 2.6

Possible earthquake swarm: 12 earthquakes occurred near (under) the volcano during 18 hours, the last being recorded quake 1 hour 29 minutes ago. Hypocenter depths ranged between 19.40 and 1.10 km.
Earthquake details: (only 5 largest)
2.6 quake 28.4 km N of Borgarnes Jul 29, 2025 08:17 pm (Universal Time) (15 km ESE)
2.6 quake 26.8 km N of Borgarnes Jul 29, 2025 02:14 am (Universal Time) (16 km ESE)
2.0 quake Iceland: 26.8 km N of Borgarnes Jul 29, 2025 07:53 pm (Reykjavik time) (16 km ESE)
2.0 quake 26.8 km N of Borgarnes Jul 29, 2025 02:19 am (Universal Time) (16 km ESE)
1.6 quake Iceland: 31.1 km N of Borgarnes Jul 29, 2025 08:21 pm (Reykjavik time) (15 km ESE)
All earthquakes at Ljósufjöll

Michoacán-Guanajuato volcano (Western & Central Mexico): 11 earthquakes up to magnitude 3.4

Possible earthquake swarm: 11 earthquakes occurred near (under) the volcano during 12 hours, the last being recorded quake 12 hours ago. Hypocenter depths ranged between 18.10 and 12.90 km.
Earthquake details: (only 5 largest)
3.4 quake 13 km southwest of Uruapan, Estado de Michoacan de Ocampo, Mexico, Jul 29, 2025 01:38 am (GMT -6) (17 km SSE)
3.1 quake 32 km west of Uruapan, Estado de Michoacan de Ocampo, Mexico, Jul 29, 2025 03:31 am (GMT -6) (15 km SW)
3.0 quake 19 km south of Los Reyes de Salgado, Estado de Michoacan de Ocampo, Mexico, Jul 28, 2025 07:51 pm (GMT -6) (18 km WSW)
2.9 quake 29 km west of Uruapan, Estado de Michoacan de Ocampo, Mexico, Jul 28, 2025 08:30 pm (GMT -6) (12 km SW)
2.9 quake 33 km west of Uruapan, Estado de Michoacan de Ocampo, Mexico, Jul 28, 2025 09:45 pm (GMT -6) (14 km WSW)
All earthquakes at Michoacán-Guanajuato

San Cristobal volcano (Nicaragua): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 8 hours ago. The quake, which might be volcanic in origin, was located at a depth of 6.00 km depth at 17 km distance W from the volcano.
Earthquake details:
2.2 quake 12 km north of Chinandega, Departamento de Chinandega, Nicaragua, Jul 29, 2025 08:19 am (GMT -6) (17 km W)
All earthquakes at San Cristobal

Taal volcano (Luzon Island): magnitude 4.2 earthquake

A magnitude 4.2 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 SW from the volcano.
Earthquake details:
4.2 quake South China Sea, 25 km west of Batangas, Philippines, Jul 29, 2025 11:39 am (GMT +8) (18 km SW)
All earthquakes at Taal

Unzen volcano (Kyushu): 11 earthquakes up to magnitude 2.2

Possible earthquake swarm: 11 earthquakes occurred near (under) the volcano during 20 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 14.30 and 6.20 km.
Earthquake details: (only 5 largest)
2.2 quake 8.6 km southeast of Isahaya, Nagasaki, Japan, Jul 29, 2025 03:04 pm (GMT +9) (17 km WNW)
0.9 quake 9.2 km southeast of Isahaya, Nagasaki, Japan, Jul 29, 2025 10:03 am (GMT +9) (16 km WNW)
0.5 quake Japan: Near Unzendake Jul 29, 2025 06:19 pm (GMT +9) (16 km WNW)
0.5 quake 9 km southeast of Isahaya, Nagasaki, Japan, Jul 29, 2025 03:06 pm (GMT +9) (16 km WNW)
0.5 quake Japan: Near Unzendake Jul 29, 2025 02:16 pm (GMT +9) (16 km WNW)
All earthquakes at Unzen
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