Past earthquakes near Coso volcano: September 2021 - list, stats and map

Updated: Apr 20, 2024 08:15 GMT - refresh

During September 2021, Coso volcano has had 295 quakes of magnitudes up to 3.3:

1 quake above magnitude 3
7 quakes between magnitude 2 and 3
287 quakes below magnitude 2 that people normally don't feel.

Strongest: Mag. 3.3 Earthquake 16km SSW of Olancha, CA -

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Quakes, magnitude and depth over time

Depth and magnitude of quakes over time

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Showing quakes magnitude 0.5 or higher, within up to 30 km (19 mi) distance (297 quakes):

Past earthquakes near Coso volcano: September 2021 - list, stats and map
Date and Time	Mag Depth	Distance	Location	Details
Sep 30, 2021 03:31 pm (Los Angeles)	0.9 4.2 km	10.1 km (6.3 mi) to the NW	9km NE of Coso Junction, CA	Info
Sep 30, 2021 02:47 pm (Universal Time)	0.9 2.5 km	12 km (7.2 mi) to the N	13km NE of Coso Junction, CA	Info
Sep 30, 2021 12:54 pm (Universal Time)	0.6 10.1 km	23 km (14 mi) to the SE	23km ESE of Little Lake, CA	Info
Sep 30, 2021 01:42 am (Los Angeles)	1.7 5.1 km	29 km (18 mi) to the E	26km NNW of Searles Valley, CA	Info
Sep 29, 2021 10:31 pm (Los Angeles)	0.4 7.9 km	16 km (9.7 mi) to the SE	16km ESE of Little Lake, CA	Info
Sep 29, 2021 10:12 pm (Los Angeles)	1.0 3.4 km	8.8 km (5.5 mi) to the NW	10km NE of Coso Junction, CA	Info
Sep 29, 2021 10:12 pm (Los Angeles)	1.1 3.6 km	8.9 km (5.5 mi) to the NW	10km NE of Coso Junction, CA	Info
Sep 29, 2021 05:03 pm (Los Angeles)	0.9 3.4 km	18 km (11 mi) to the SE	17km ESE of Little Lake, CA 1 report	Info
Wednesday, September 29, 2021 GMT (8 quakes)
Sep 29, 2021 04:59 pm (Los Angeles)	0.9 3.2 km	12 km (7.4 mi) to the E	20km ENE of Little Lake, CA	Info
Sep 29, 2021 02:58 pm (Los Angeles)	0.8 7.5 km	27 km (17 mi) to the SE	23km N of Ridgecrest, CA	Info
Sep 29, 2021 11:00 am (Los Angeles)	0.9 4.3 km	20 km (13 mi) to the SE	20km ESE of Little Lake, CA	Info

About these data

Estimated combined seismic energy released: 9 x 10⁹ joules (2.49 megawatt hours, equivalent to 2.14 tons of TNT) | about seismic energy

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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

Tue, 11 Dec 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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