Volcano earthquake report for Tuesday, 20 Jul 2021

Quakes detected near: Akyarlar (2 quakes between mag 1.7-1.8), Bardarbunga (3 quakes between mag 0.7-1.2), Clear Lake (18 quakes between mag 0.2-2.0), Colima (1 quake mag 4.0), Coso (9 quakes between mag 0.3-1.9), Etna (1 quake mag 1.0)
Grímsvötn (2 quakes between mag 0.8-1.2), Herdubreid (1 quake mag 1.3), Hrómundartindur (2 quakes between mag 0.7-1.1), Katmai (1 quake mag 1.1), Kilauea (2 quakes between mag 1.8-1.8), Krafla (2 quakes between mag 0.3-1.1), Nisyros (1 quake mag 2.3), Ruapehu (1 quake mag 1.0), Salton Buttes (9 quakes between mag 0.6-2.3), Taupo (2 quakes between mag 1.1-2.2) (updated 23h50)

Note: Earthquakes within 20 km from and at depths less than 20 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:

Clear Lake volcano (California): 18 earthquakes up to magnitude 2.0

Possible earthquake swarm: 18 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 2 hours ago. Hypocenter depths ranged between 3.7 and 1.8 km.
Earthquake details: (only 5 largest)
2.0 quake 3km W of Cobb, CA, 20 July 2021 12:54 GMT (17 km S)1.7 quake 6km W of Cobb, CA, 20 July 2021 08:45 GMT (16 km S)1.1 quake 7km WNW of Cobb, CA, 20 July 2021 04:02 GMT (15 km S)1.0 quake 6km NW of The Geysers, CA, 20 July 2021 16:56 GMT (18 km SSW)1.0 quake 7km NW of The Geysers, CA, 20 July 2021 21:22 GMT (18 km SSW)All earthquakes at Clear Lake

Colima volcano (Western & Central Mexico): magnitude 4.0 earthquake

A magnitude 4.0 earthquake occurred at the volcano 1 hour 34 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 5.0 km depth at 5 km distance NW from the volcano.
Earthquake details:
4.0 quake 34 km north of Colima, Mexico, 2021-07-20 17:15:35 (Hora de México) (5 km NW)All earthquakes at Colima

Nisyros volcano (Greece): 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 14.7 km depth at 19 km distance S from the volcano.
Earthquake details:
2.3 quake Aegean Sea, 58 km south of Kos Town, Dodecanese, South Aegean, Greece, 20 July 2021 20:52 GMT (19 km S)All earthquakes at Nisyros

Salton Buttes volcano (California): 9 earthquakes up to magnitude 2.3

9 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 9.8 and 1.5 km.
Earthquake details: (only 5 largest)
2.3 quake 7km NNE of Westmorland, CA, 20 July 2021 19:16 GMT (11 km S)2.2 quake 2km ENE of Westmorland, CA, 20 July 2021 00:28 GMT (17 km S)1.6 quake 7km NNE of Westmorland, CA, 20 July 2021 17:56 GMT (11 km S)1.6 quake 9km SW of Niland, CA, 20 July 2021 13:49 GMT (2 km ESE)1.5 quake 7km NNE of Westmorland, CA, 20 July 2021 18:26 GMT (11 km SSE)All earthquakes at Salton Buttes

Taupo volcano (New Zealand): 2 earthquakes up to magnitude 2.2

2 earthquakes occurred near (under) the volcano during 11 hours, the last being recorded quake 12 hours ago. Hypocenter depths ranged between 4.0 and 3.7 km.
Earthquake details:
2.2 quake 5.1 km northwest of Taupo, Waikato, New Zealand, 20 July 2021 00:40 GMT (19 km N)1.1 quake New Zealand 20 July 2021 11:41 GMT (13 km WSW)All earthquakes at Taupo
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/135878/Volcano-earthquake-report-for-Tuesday-20-Jul-2021.html