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Minor mag. 0.9 earthquake - 6km SW of Gilroy, CA, on Thursday, Dec 1, 2022 at 3:49 pm (GMT -8) -

Minor magnitude 0.9 earthquake at 5 km depth

1 Dec 23:51 UTC: First to report: USGS after 3 minutes.
2 Dec 17:46: Magnitude recalculated from 1.0 to 0.9. Hypocenter depth recalculated from 4.9 to 5.0 km (from 3 to 3.1 mi). Epicenter location corrected by 0.9 km (0.6 mi) towards NW.

Earthquake details

Date & time	Dec 1, 2022 23:49:10 UTC -
Local time at epicenter	Thursday, Dec 1, 2022 at 3:49 pm (GMT -8)
Status	Confirmed
Magnitude	0.9
Depth	5.0 km
Epicenter latitude / longitude	36.973°N / 121.62033°W (California, United States)
Antipode	36.973°S / 58.38°E
Shaking intensity	Not felt
Felt
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Mammoth Mountain (240 km / 149 mi)
Nearby towns and cities	6 km (4 mi) SW of Gilroy (pop: 53,200) \| Show on map \| Quakes nearby 14 km (9 mi) ENE of Watsonville (pop: 53,600) \| Show on map \| Quakes nearby 18 km (11 mi) S of Morgan Hill (pop: 42,900) \| Show on map \| Quakes nearby 22 km (14 mi) N of Prunedale (pop: 17,600) \| Show on map \| Quakes nearby 24 km (15 mi) NW of Hollister (pop: 37,500) \| Show on map \| Quakes nearby 33 km (20 mi) N of Salinas (pop: 157,400) \| Show on map \| Quakes nearby 36 km (23 mi) E of Santa Cruz (pop: 64,200) \| Show on map \| Quakes nearby 47 km (29 mi) SSE of San Jose (pop: 1,026,900) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Moderate Rain 6.1°C (43 F), humidity: 93%, wind: 8 m/s (16 kts) from NW
Estimated seismic energy released	1.4 x 10⁶ joules (0.392 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
0.9	5 km	6km SW of Gilroy, CA	USGS
0.9	5 km	Central California	RaspberryShake

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

Seismograms

Seismic station: San Andreas Geophysical Obs., Hollister, CA, USA (SAO/BK network) | Distance from quake: 28 km / 17 mi | Show on map | Station Info

Seismic station San Andreas Geophysical Obs., Hollister, 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 San Andreas Geophysical Obs., Hollister, CA, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station San Andreas Geophysical Obs., Hollister, 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: Columbia College, Columbia, CA, USA (CMB/BK network) | Distance from quake: 161 km / 100 mi | Show on map | Station Info

Seismic station Columbia College, Columbia, CA, USA: vertical movement plot around time of quake (source: IRIS/BUD)

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

Seismic station Columbia College, Columbia, 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: Marconi Conference Center, Marshall, CA, USA (MCCM/BK network) | Distance from quake: 171 km / 106 mi | Show on map | Station Info

Seismic station Marconi Conference Center, Marshall, CA, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Marconi Conference Center, Marshall, CA, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Marconi Conference Center, Marshall, 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: Valley Oaks Golf Course (VOG/CI network) | Distance from quake: 212 km / 132 mi | Show on map | Station Info

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

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

Seismic station Valley Oaks Golf Course: 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: Simmler (SMM/CI network) | Distance from quake: 235 km / 146 mi | Show on map | Station Info

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

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

Seismic station Simmler: 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 0.9, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.

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