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Coso volcan

Mise à jour: 8 déc.. 2022 00:00 GMT -
stratovolcan 2400 m / 7,874 ft
Californie (Canada and USA (mainland)), 36.03°N / -117.82°W
Condition actuelle: normal / en sommeil (1 sur 5)
Last update: 29 févr. 2020 (Strong earthquake swarm- no cause for concern)

The Coso volcanic field is located east of the Sierra Nevada Range at the western edge of the Basin and Range province, California. It consists of 38 old rhyolitic lava domes and basaltic cinder cones covering a 400 sq km area. volcano is located 200 km north of Los Angeles, California.
Eruptions in this area over the past 4 million years produced 35 km3 of lava, the youngest eruptions are probably from the basaltic Volcano Peak cinder cone and occurred more than 33,000 years ago.
Coso Geothermal System
There is geothermal activity in an ENE trending zone between Sugarloaf Mountain and the Coso Hot Springs. The Coso Hot Springs have fumaroles and intermittently active geysers. Fumaroles at Devils Kitchen and the adjacent Nicol area are located in an explosion crater surrounding a rhyolite lava dome.

Montrer carte interactive
Style éruptif tipique: Explosive
Eruptions du volcan Coso: none during the past 10,000 years

Derniers séismes proches

HeureMag. / ProfondeurDistance/Lieu
mercredi, 7 décembre 2022 GMT (2 séismes)
6 déc. 2022 16:28 (GMT -8) (7 déc.. 2022 00:28 GMT)

1.8 km
10.2 km (6.3 mi)
47 km au nord de Ridgecrest, Comté de Kern County, Californie, États-Unis
6 déc. 2022 16:27 (GMT -8) (7 déc.. 2022 00:27 GMT)

1.8 km
9.9 km (6.2 mi)
47 km au nord de Ridgecrest, Comté de Kern County, Californie, États-Unis
mardi, 6 décembre 2022 GMT (2 séismes)
6 déc. 2022 01:05 (GMT -8) (6 déc.. 2022 09:05 GMT)

9.3 km
32 km (20 mi)
96 km à l'est de Porterville, Comté de Tulare County, Californie, États-Unis
6 déc. 2022 00:48 (GMT -8) (6 déc.. 2022 08:48 GMT)

8.5 km
32 km (20 mi)
95 km à l'est de Porterville, Comté de Tulare County, Californie, États-Unis
mercredi, 30 novembre 2022 GMT (1 séisme)
29 nov. 2022 22:29 (GMT -8) (30 nov.. 2022 06:29 GMT)

4.5 km
20 km (12 mi)
29 km au nord de Ridgecrest, Comté de Kern County, Californie, États-Unis


The latest dated eruption formed the Volcano Peak basaltic cinder cone and lava flow and was Potassium-Argon dated at 39,000 +/- 33,000 years ago, but the youngest lava dome may even be younger than 11,000 years ago.
Source: Smithsonian / GVP volcano information

See also: Sentinel hub | Landsat 8 | NASA FIRMS
sam., 6 juil. 2019, 19:29

Coso volcano (California, USA (mainland exept Alaska)) activity update: Strong earthquake swarm- no cause for concern

The M7.1 earthquake has also triggered an earthquake swarm at the southern end of the volcanic field, with around 30 earthquakes per hour. Read all
mar., 11 déc. 2012, 06:48

Coso volcanic field (California): seismic swarm coming to an end

Location of recent quakes in the Coso volcanic field (red=past 48 hours, yellow=past week)
The recent earthquake swarm at Coso Volcanic Field seems to be over. Read all
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