Volcano earthquake report for Monday, 7 Aug 2023
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 7 Aug 2023 Number in brackets indicate nr of quakes.

Quakes detected near: Akyarlar (1 quake mag 1.8), Baru (2 quakes between mag 3.0-3.0), Campi Flegrei (Phlegrean Fields) (13 quakes between mag 0.2-1.3), Canlaon (1 quake mag 1.9), Cerro Negro de Mayasquer (2 quakes between mag 2.1-3.0), Chichinautzin (1 quake mag 3.0)
Clear Lake (26 quakes between mag 0.2-2.0), Coso (2 quakes between mag 0.7-2.2), El Hierro (1 quake mag 2.0), Eldey (9 quakes between mag 0.2-2.0), Haleakala (1 quake mag 3.0), Herdubreid (1 quake mag 1.2), Kilauea (5 quakes between mag 1.8-2.3), Kolumbo (1 quake mag 2.3), La Palma (2 quakes between mag 1.3-1.7), Martin (4 quakes between mag 0.3-1.6), Mount Baker (1 quake mag 1.9), Mount St. Helens (1 quake mag 1.1), Nevado del Huila (1 quake mag 1.5), Nisyros (1 quake mag 3.0), San Diego (1 quake mag 3.0), Santorini (1 quake mag 3.0), Spurr (1 quake mag 1.3), Taupo (1 quake mag 1.4), Tenerife (5 quakes between mag 0.7-1.2), Tenorio (3 quakes between mag 2.5-2.7), Tjörnes Fracture Zone (1 quake mag 1.5), Torfajökull (2 quakes between mag 0.7-1.4), Vesuvius (2 quakes between mag 0.6-3.0) (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:



Baru volcano (Panama): 2 earthquakes up to magnitude 3.0

2 earthquakes occurred near (under) the volcano during 4 hours, the last being recorded quake 12 hours ago. Hypocenter depths ranged between 10.0 and 10.0 km.
Earthquake details:
Reported seismic-like event (likely no quake): 2.1 km northwest of Volcan, Bugaba District, Provincia de Chiriqui, Panama, Aug 7, 2023 7:09 am (GMT -5) (12 km W)
Reported seismic-like event (likely no quake): 22 km east of Volcan, Bugaba District, Provincia de Chiriqui, Panama, Aug 7, 2023 3:00 am (GMT -5) (14 km SE)
All earthquakes at Baru

Campi Flegrei (Phlegrean Fields) volcano (Italy): 13 earthquakes up to magnitude 1.3

Possible earthquake swarm: 13 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 33 minutes ago. Hypocenter depths ranged between 2.7 and 0.6 km.
Earthquake details: (only 5 largest)
1.3 quake Italy: Campi Flegrei Aug 8, 2023 12:09 am (GMT +2) (1 km N)
0.9 quake Italy: Campi Flegrei Area Aug 7, 2023 4:19 am (GMT +2) (0 km SE)
0.8 quake Italy: Campi Flegrei Area Aug 7, 2023 5:59 pm (GMT +2) (1 km ESE)
0.7 quake Italy: Campi Flegrei Area Aug 7, 2023 7:57 am (GMT +2) (0 km ESE)
0.5 quake Italy: Campi Flegrei Area Aug 8, 2023 1:17 am (GMT +2) (1 km NNW)
All earthquakes at Campi Flegrei (Phlegrean Fields)

Cerro Negro de Mayasquer volcano (Colombia): 2 earthquakes up to magnitude 3.0

2 earthquakes occurred near (under) the volcano during 7 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 4.3 and 0.0 km.
Earthquake details:
3.0 quake Departamento de Nariño, Colombia, 24 km west of Tulcan, Ecuador, Aug 7, 2023 1:30 pm (GMT -5) (5 km SE)
2.1 quake 25 km west of Tulcan, Provincia del Carchi, Ecuador, Aug 7, 2023 6:07 am (GMT -5) (5 km SSE)
All earthquakes at Cerro Negro de Mayasquer

Chichinautzin volcano (Western & Central Mexico): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 12 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 16 km distance N from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 0.7 km northwest of Mexico Aug 7, 2023 5:58 am (GMT -6) (16 km N)
All earthquakes at Chichinautzin

Clear Lake volcano (California): 26 earthquakes up to magnitude 2.0

Possible earthquake swarm: 26 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 38 minutes ago. Hypocenter depths ranged between 9.6 and 0.1 km.
Earthquake details: (only 5 largest)
2.0 quake 14 mi southwest of Clearlake, Lake County, California, USA, Aug 6, 2023 8:25 pm (GMT -7) (19 km S)
1.9 quake 13 mi southwest of Clearlake, Lake County, California, USA, Aug 7, 2023 10:58 am (GMT -7) (19 km S)
1.8 quake 14 mi southwest of Clearlake, Lake County, California, USA, Aug 6, 2023 8:00 pm (GMT -7) (19 km S)
1.7 quake 7 Km NW of The Geysers, CA, Aug 6, 2023 10:32 pm (GMT -7) (18 km SSW)
1.2 quake 6 Km NW of The Geysers, CA, Aug 6, 2023 11:46 pm (GMT -7) (18 km S)
All earthquakes at Clear Lake

Coso volcano (California): 2 earthquakes up to magnitude 2.2

2 earthquakes occurred near (under) the volcano during 14 hours, the last being recorded quake 8 hours ago. Hypocenter depths ranged between 3.7 and 3.0 km.
Earthquake details:
2.2 quake 36 mi north of Ridgecrest, Kern County, California, USA, Aug 7, 2023 8:48 am (GMT -7) (11 km NNW)
0.7 quake 36 mi north of Ridgecrest, Kern County, California, USA, Aug 6, 2023 6:41 pm (GMT -7) (11 km NNW)
All earthquakes at Coso

Haleakala volcano (Hawaiian Islands): 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 10.0 km depth at 19 km distance W from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 53 km east of Lanai, Maui County, Hawaii, USA, Aug 7, 2023 5:02 am (GMT -10) (19 km W)
All earthquakes at Haleakala

Kilauea volcano (Hawai'i (Big Island)): 5 earthquakes up to magnitude 2.3

5 earthquakes occurred near (under) the volcano during 16 hours, the last being recorded quake 7 hours ago. Hypocenter depths ranged between 1.8 and 0.3 km.
Earthquake details:
2.3 quake 3.5 mi southwest of Volcano Village, Hawaii County, USA, Aug 6, 2023 8:35 pm (GMT -10) (3 km ESE)
2.1 quake 4.3 mi southwest of Volcano Village, Hawaii County, USA, Aug 6, 2023 10:08 pm (GMT -10) (0 km SSE)
1.9 quake 5 mi southwest of Volcano Village, Hawaii County, USA, Aug 7, 2023 6:26 am (GMT -10) (3 km SSE)
1.9 quake 4.1 mi southwest of Volcano Village, Hawaii County, USA, Aug 6, 2023 2:09 pm (GMT -10) (2 km SE)
1.8 quake 6.1 mi southwest of Volcano Village, Hawaii County, USA, Aug 7, 2023 12:32 am (GMT -10) (4 km S)
All earthquakes at Kilauea

Kolumbo volcano (Greece): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 11.1 km depth at 1 km distance ENE from the volcano.
Earthquake details:
2.3 quake Aegean Sea, 13 km northeast of Oia, Nomos Kykladon, South Aegean, Greece, Aug 7, 2023 4:38 am (GMT +3) (1 km ENE)
All earthquakes at Kolumbo

Nisyros volcano (Greece): 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 10.0 km depth at 4 km distance NNE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 53 km northeast of Kefalos, Dodecanese, South Aegean, Greece, Aug 7, 2023 1:58 pm (GMT +3) (4 km NNE)
All earthquakes at Nisyros

San Diego volcano (Colombia): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 14 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 7 km distance NW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 102 km northwest of La Dorada, Caldas, Colombia, Aug 7, 2023 4:53 am (GMT -5) (7 km NW)
All earthquakes at San Diego

Santorini volcano (Greece): 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 10.0 km depth at 7 km distance NNW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 32 km south of Ios, Nomos Kykladon, South Aegean, Greece, Aug 7, 2023 8:53 am (GMT +3) (7 km NNW)
All earthquakes at Santorini

Tenorio volcano (Costa Rica): 3 earthquakes up to magnitude 2.7

3 earthquakes occurred near (under) the volcano during 4 hours, the last being recorded quake 20 hours ago. Hypocenter depths ranged between 5.0 and 4.0 km.
Earthquake details:
2.7 quake Provincia de Alajuela, 25 km northeast of Canas, Costa Rica, Aug 6, 2023 6:19 pm (GMT -6) (11 km SE)
2.5 quake 23 km northeast of Canas, Cañas, Provincia de Guanacaste, Costa Rica, Aug 6, 2023 9:50 pm (GMT -6) (11 km SSE)
2.5 quake 24 km northeast of Canas, Cañas, Provincia de Guanacaste, Costa Rica, Aug 6, 2023 6:06 pm (GMT -6) (10 km SE)
All earthquakes at Tenorio

Vesuvius volcano (Italy): 2 earthquakes up to magnitude 3.0

2 earthquakes occurred near (under) the volcano during 4 hours, the last being recorded quake 1 hour 46 minutes ago. Hypocenter depths ranged between 10.0 and 1.1 km.
Earthquake details:
Reported seismic-like event (likely no quake): 49 km southwest of Benevento, Campania, Italy, Aug 7, 2023 7:46 pm (GMT +2) (9 km SSE)
0.6 quake Italy: Vesuvio Area Aug 8, 2023 12:03 am (GMT +2) (1 km ENE)
All earthquakes at Vesuvius
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