Volcano earthquake report for Tuesday, 20 Jul 2021
Tue, 20 Jul 2021, 23:50 | BY: EARTHQUAKEMONITOR
World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius during the past 24 hours on 20 Jul 2021 Number in brackets indicate nr of quakes.
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
Previous news
Mon, 19 Jul 2021, 23:50
Volcano earthquake report for Monday, 19 Jul 2021
Quakes detected near: Askja (2 quakes between mag 0.7-1.2), Bardarbunga (1 quake mag 1.4), Clear Lake (23 quakes between mag 0.2-1.3), Coso (2 quakes between mag 0.3-1.2), Etna (1 quake mag 3.0), Fagradalsfjall (2 quakes between mag 0.6-1.0) ... Read all
Sun, 18 Jul 2021, 23:50
Volcano earthquake report for Sunday, 18 Jul 2021
Quakes detected near: Akyarlar (1 quake mag 1.7), Bardarbunga (1 quake mag 1.3), Brennisteinsfjöll (2 quakes between mag 0.2-1.3), Cerro el Ciguatepe (2 quakes between mag 1.6-1.7), Clear Lake (16 quakes between mag 0.4-1.3), Coso (3 quakes between mag 0.8-1.5) ... Read all
Show more