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Minor mag. 1.2 earthquake - 8km SSE of Big Bear City, CA, on Friday, Sep 30, 2022 at 10:52 pm (GMT -7) -

Minor magnitude 1.2 earthquake at 6 km depth

1 Oct 05:56 UTC: First to report: USGS after 3 minutes.
1 Oct 05:57: Magnitude recalculated from 1.3 to 1.2.

Earthquake details

Date & time	Oct 1, 2022 05:52:51 UTC -
Local time at epicenter	Friday, Sep 30, 2022 at 10:52 pm (GMT -7)
Status	Confirmed
Magnitude	1.2
Depth	6.0 km
Epicenter latitude / longitude	34.194°N / 116.81917°W (California, United States)
Antipode	34.194°S / 63.181°E
Shaking intensity	Not felt
Felt
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Lavic Lake (64 km / 40 mi)
Nearby towns and cities	8 km (5 mi) SSE of Big Bear (San Bernardino County) (pop: 12,300) \| Show on map \| Quakes nearby 27 km (17 mi) NE of Yucaipa (pop: 53,300) \| Show on map \| Quakes nearby 33 km (20 mi) NNE of Beaumont (pop: 43,800) \| Show on map \| Quakes nearby 37 km (23 mi) ENE of Highland (pop: 54,900) \| Show on map \| Quakes nearby 37 km (23 mi) ENE of Redlands (pop: 71,000) \| Show on map \| Quakes nearby 44 km (28 mi) ENE of San Bernardino (pop: 216,100) \| Show on map \| Quakes nearby 47 km (29 mi) NE of Moreno Valley (pop: 204,200) \| Show on map \| Quakes nearby 60 km (37 mi) ENE of Riverside (pop: 322,400) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Clear Sky 6.5°C (44 F), humidity: 50%, wind: 1 m/s (2 kts) from NE
Estimated seismic energy released	4 x 10⁶ joules (1.11 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
1.2	6 km	8km SSE of Big Bear City, CA	USGS
1.2	6 km	Southern California	RaspberryShake
1.2	10 km	Southern California	IRIS

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

Seismograms

Seismic station: Big Bear Solar Observatory (BBR/CI network) | Distance from quake: 12 km / 7 mi | Show on map | Station Info

Seismic station Big Bear Solar Observatory: 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 Big Bear Solar Observatory: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Big Bear Solar Observatory: 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: Seven Oaks (SVD/CI network) | Distance from quake: 27 km / 17 mi | Show on map | Station Info

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

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

Seismic station Seven Oaks: 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: Keenwild Fire Station, Mountain Center, CA, USA (KNW/AZ network) | Distance from quake: 54 km / 34 mi | Show on map | Station Info

Seismic station Keenwild Fire Station, Mountain Center, CA, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Keenwild Fire Station, Mountain Center, CA, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Keenwild Fire Station, Mountain Center, 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: Victorville (VTV/CI network) | Distance from quake: 62 km / 39 mi | Show on map | Station Info

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

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

Seismic station Victorville: 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: Pinon Flat Observatory, CA, USA (BPH09/PY network) | Distance from quake: 73 km / 45 mi | Show on map | Station Info

Seismic station Pinon Flat Observatory, CA, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Pinon Flat Observatory, CA, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Pinon Flat Observatory, 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

User reports for this quake

At magnitude 1.2, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.

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