Quakes detected near: Bardarbunga (5 quakes between mag 0.4-1.1), Campi Flegrei (Phlegrean Fields) (1 quake mag 1.5), Canlaon (1 quake mag 3.2), Clear Lake (28 quakes between mag 0.3-2.3), Coso (5 quakes between mag 0.9-1.8), Hekla (2 quakes between mag 0.5-1.2)
Herdubreid (2 quakes between mag 0.6-1.1), Katla (3 quakes between mag 0.5-1.3), Krísuvík (39 quakes between mag 0.1-2.3), Long Valley (3 quakes between mag 0.2-1.0), Nejapa-Miraflores (1 quake mag 2.2), Reporoa (1 quake mag 1.3), Reykjanes (26 quakes between mag 0.1-2.0), Salton Buttes (1 quake mag 1.4), Turrialba (2 quakes between mag 2.8-3.3) (updated 22h50)
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:
Canlaon volcano (Central Philippines): magnitude 3.2 earthquake
A magnitude 3.2 earthquake occurred at the volcano 21 hours ago. The quake, which might be volcanic in origin, was located at a depth of 11.0 km depth at 10 km distance NW from the volcano.Earthquake details:
3.2 quake 21 km southeast of Mansilingan, Negros Occidental, Western Visayas, Philippines, 21 Feb 2021 10:10 am (GMT +8) (10 km NW)All earthquakes at Canlaon
Clear Lake volcano (California): 28 earthquakes up to magnitude 2.3
Possible earthquake swarm: 28 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 3.3 and 0.3 km.Earthquake details: (only 5 largest)
2.3 quake 8km WNW of Cobb, CA, USA, 21 Feb 2021 10:54 am (GMT -8) (15 km SSW)1.6 quake 8km NW of The Geysers, CA, USA, 20 Feb 2021 5:45 pm (GMT -8) (16 km SSW)1.1 quake 6km NW of The Geysers, CA, USA, 20 Feb 2021 9:38 pm (GMT -8) (17 km S)1.1 quake 6km NW of The Geysers, CA, USA, 20 Feb 2021 3:29 pm (GMT -8) (18 km SSW)1.0 quake 8km NW of The Geysers, CA, USA, 20 Feb 2021 6:30 pm (GMT -8) (16 km SSW)All earthquakes at Clear Lake
Krísuvík volcano (Iceland): 39 earthquakes up to magnitude 2.3
Possible earthquake swarm: 39 earthquakes occurred near (under) the volcano during 12 hours, the last being recorded quake 10 hours ago. Hypocenter depths ranged between 7.4 and 1.1 km.Earthquake details: (only 5 largest)
2.3 quake 0.9 Km SE of Fagradalsfjall, Iceland, 21 Feb 2021 9:28 am (GMT +0) (9 km WSW)1.4 quake 1.0 Km ESE of Fagradalsfjall, Iceland, 21 February 2021 06:05 GMT (8 km WSW)1.3 quake 1.0 Km SSE of Fagradalsfjall, Iceland, 21 Feb 2021 9:23 am (GMT +0) (9 km WSW)1.2 quake 0.9 Km SSE of Fagradalsfjall, Iceland, 21 Feb 2021 9:33 am (GMT +0) (9 km WSW)1.2 quake 0.9 Km SSE of Fagradalsfjall, Iceland, 21 Feb 2021 9:26 am (GMT +0) (9 km WSW)All earthquakes at Krísuvík
Nejapa-Miraflores volcano (Nicaragua): magnitude 2.2 earthquake
A magnitude 2.2 earthquake occurred at the volcano 7 hours ago. The quake, which might be volcanic in origin, was located at a depth of 6.0 km depth at 11 km distance SE from the volcano.Earthquake details:
2.2 quake 9.2 km south of Managua, Nicaragua, 21 Feb 2021 9:43 am (GMT -6) (11 km SE)All earthquakes at Nejapa-Miraflores
Reykjanes volcano (Iceland): 26 earthquakes up to magnitude 2.0
Possible earthquake swarm: 26 earthquakes occurred near (under) the volcano during 20 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 6.7 and 0.1 km.Earthquake details: (only 5 largest)
2.0 quake 3.3 Km NNW of Grindavík, Iceland, 21 Feb 2021 5:30 pm (GMT +0) (4 km SE)1.5 quake 3.1 Km NE of Grindavík, Iceland, 21 Feb 2021 12:38 pm (GMT +0) (7 km ESE)1.4 quake 1.5 Km WSW of Fagradalsfjall, Iceland, 21 Feb 2021 3:38 pm (GMT +0) (11 km E)1.2 quake 1.3 Km NE of Grindavík, Iceland, 21 Feb 2021 8:33 am (GMT +0) (7 km SE)1.2 quake 2.8 Km NNW of Grindavík, Iceland, 21 Feb 2021 12:13 pm (GMT +0) (4 km SE)All earthquakes at Reykjanes
Turrialba volcano (Costa Rica): 2 earthquakes up to magnitude 3.3
2 earthquakes occurred near (under) the volcano at nearly the same time (10:39 UTC). Hypocenter depths ranged between 10.0 and 3.0 km.Earthquake details:
3.3 quake Siquirres, Provincia de Limon, 15 km north of Turrialba, Costa Rica, 21 de febrero del 2021 4:39 am (12 km E)2.8 quake Siquirres, Provincia de Limon, 13 km north of Turrialba, Costa Rica, 2021-02-21 04:39:26 (12 km E)All earthquakes at Turrialba
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/122362/Volcano-earthquake-report-for-Sunday-21-Feb-2021.html