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Minor mag. 1.7 earthquake - 12km NE of Bella Vista, CA, on Friday, Nov 26, 2021 at 11:03 pm (GMT -8) -

Minor magnitude 1.7 earthquake at 10 km depth

27 Nov 07:06 UTC: First to report: USGS after 3 minutes.
27 Nov 18:18: Magnitude recalculated from 1.9 to 1.7. Hypocenter depth recalculated from 5.3 to 10.0 km (from 3.3 to 6.2 mi). Epicenter location corrected by 2.7 km (1.7 mi) towards W.

Earthquake details

Date & time	Nov 27, 2021 07:03:36 UTC -
Local time at epicenter	Friday, Nov 26, 2021 at 11:03 pm (GMT -8)
Status	Confirmed
Magnitude	1.7
Depth	10.0 km
Epicenter latitude / longitude	40.729°N / 122.18667°W (California, United States)
Antipode	40.729°S / 57.813°E
Shaking intensity	Not felt
Felt
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Lassen (64 km / 40 mi)
Nearby towns and cities	11 km (7 mi) NNE of Bella Vista (pop: 2,780) \| Show on map \| Quakes nearby 16 km (10 mi) ENE of Lake Shasta (Shasta County) (pop: 10,200) \| Show on map \| Quakes nearby 16 km (10 mi) ENE of Lake Shasta (pop: 10,200) \| Show on map \| Quakes nearby 23 km (15 mi) NE of Redding (pop: 91,600) \| Show on map \| Quakes nearby 33 km (20 mi) NNE of Anderson (Shasta County) (pop: 10,200) \| Show on map \| Quakes nearby 36 km (23 mi) NW of Shingletown (pop: 2,280) \| Show on map \| Quakes nearby 47 km (29 mi) WSW of Burney (pop: 3,150) \| Show on map \| Quakes nearby 61 km (38 mi) N of Red Bluff (Tehama County) (pop: 14,100) \| Show on map \| Quakes nearby 64 km (40 mi) E of Weaverville (pop: 3,600) \| Show on map \| Quakes nearby 89 km (55 mi) N of Corning (Tehama County) (pop: 7,550) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Overcast Clouds 6.7°C (44 F), humidity: 58%, wind: 2 m/s (5 kts) from NNE
Estimated seismic energy released	2.2 x 10⁷ joules (6.22 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
1.7	10 km	12km NE of Bella Vista, CA	USGS
1.7	10 km	Northern California	RaspberryShake

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

Seismograms

Seismic station: Crater Lake Bunk House (CLBH/CC network) | Distance from quake: 242 km / 151 mi | Show on map | Station Info

Seismic station Crater Lake Bunk House: 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 Crater Lake Bunk House: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Crater Lake Bunk House: 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: Crater Lake, Cleetwood Cove, OR, USA (CLCV/CC network) | Distance from quake: 250 km / 155 mi | Show on map | Station Info

Seismic station Crater Lake, Cleetwood Cove, OR, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Crater Lake, Cleetwood Cove, OR, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Crater Lake, Cleetwood Cove, OR, 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: 293 km / 182 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: Surveyor's Cave, OR, USA (SVIC/CC network) | Distance from quake: 333 km / 207 mi | Show on map | Station Info

Seismic station Surveyor's Cave, OR, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Surveyor's Cave, OR, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Surveyor's Cave, OR, 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: The Wife (WIFE/CC network) | Distance from quake: 372 km / 231 mi | Show on map | Station Info

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

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

Seismic station The Wife: 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 1.7, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.

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