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Minor mag. 2.1 earthquake - 7.1 mi southwest of Borrego Springs, San Diego County, California, USA, on Thursday, Dec 1, 2022 at 5:12 am (GMT -8) -

Minor magnitude 2.1 earthquake at 12 km depth

1 Dec 13:16 UTC: First to report: USGS after 3 minutes.
1 Dec 13:17: Magnitude recalculated from 2.2 to 2.1. Hypocenter depth recalculated from 12.5 to 12.4 km (from 7.8 to 7.7 mi). Epicenter location corrected by 0.5 km (0.3 mi) towards ENE.

Earthquake details

Date & time	Dec 1, 2022 13:12:44 UTC -
Local time at epicenter	Thursday, Dec 1, 2022 at 5:12 am (GMT -8)
Status	Confirmed
Magnitude	2.1
Depth	12.4 km
Epicenter latitude / longitude	33.1665°N / 116.4365°W (San Diego, California, United States)
Antipode	33.167°S / 63.564°E
Shaking intensity	Very weak shaking
Felt	0 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Salton Buttes (76 km / 47 mi)
Nearby towns and cities	11 km (7 mi) SSW of Borrego Springs (pop: 3,430) \| Show on map \| Quakes nearby 18 km (11 mi) ENE of Julian (pop: 1,500) \| Show on map \| Quakes nearby 43 km (26 mi) ENE of Ramona (San Diego County) (pop: 20,300) \| Show on map \| Quakes nearby 61 km (38 mi) E of Escondido (pop: 151,500) \| Show on map \| Quakes nearby 64 km (40 mi) NE of El Cajon (pop: 103,700) \| Show on map \| Quakes nearby 65 km (40 mi) SSW of Indian Wells (pop: 87,500) \| Show on map \| Quakes nearby 84 km (52 mi) NE of Chula Vista (pop: 265,800) \| Show on map \| Quakes nearby 84 km (52 mi) NE of San Diego (pop: 1,394,900) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Scattered Clouds 2.7°C (37 F), humidity: 88%, wind: 5 m/s (9 kts) from W
Estimated seismic energy released	8.9 x 10⁷ joules (24.8 kilowatt hours) \| about seismic energy

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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.

Mag.	Depth	Location	Source
2.1	12 km	12km SSW of Borrego Springs, CA	USGS
1.6	11 km	Southern California	RaspberryShake
2.1	12 km	SOUTHERN CALIFORNIA	EMSC
2.1	10 km	Southern California	IRIS

Most recent quakes Top 20 past 24 hrs Quakes in the US California

Seismograms

Seismic station: Lost Valley Scout Camp, CA, USA (LVA2/AZ network) | Distance from quake: 24 km / 15 mi | Show on map | Station Info

Seismic station Lost Valley Scout Camp, CA, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

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Seismic station Lost Valley Scout Camp, CA, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Lost Valley Scout Camp, CA, USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake, showing horizontal E-W and N-S ground movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Ford Ranch, Anza, CA, USA (FRD/AZ network) | Distance from quake: 40 km / 25 mi | Show on map | Station Info

Seismic station Ford Ranch, Anza, CA, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Ford Ranch, Anza, CA, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Ford Ranch, Anza, CA, USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Cary Ranch, Anza, CA, USA (CRY/AZ network) | Distance from quake: 52 km / 33 mi | Show on map | Station Info

Seismic station Cary Ranch, Anza, CA, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Cary Ranch, Anza, CA, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Cary Ranch, Anza, CA, USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Murrieta (MUR/CI network) | Distance from quake: 85 km / 53 mi | Show on map | Station Info

Seismic station Murrieta: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Murrieta: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Murrieta: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Glamis (GLA/CI network) | Distance from quake: 150 km / 93 mi | Show on map | Station Info

Seismic station Glamis: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Glamis: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Glamis: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake

At magnitude 2.1, such a quake wouldn't normally be felt by people except under very favorable conditions.

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

There are no user reports for this quake.

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