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Minor mag. 2.0 earthquake - 44km NW of Rancho Tehama Reserve, CA, on Friday, Aug 5, 2022 at 9:22 pm (GMT -7) -

Minor mag. 2.0 earthquake - 44km NW of Rancho Tehama Reserve, CA, on Friday, Aug 5, 2022 at 9:22 pm (GMT -7) Minor mag. 2.0 earthquake - 44km NW of Rancho Tehama Reserve, CA, on Friday, Aug 5, 2022 at 9:22 pm (GMT -7)

Minor magnitude 2.0 earthquake at 11 km depth

6 Aug 04:25 UTC: First to report: USGS after 2 minutes.
6 Aug 08:48: Magnitude recalculated from 1.9 to 2.0. Hypocenter depth recalculated from 15.7 to 10.5 km (from 9.8 to 6.5 mi). Epicenter location corrected by 2.8 km (1.8 mi) towards NE.

Earthquake details

Date & timeAug 6, 2022 04:22:40 UTC -
Local time at epicenterFriday, Aug 5, 2022 at 9:22 pm (GMT -7)
StatusConfirmed
Magnitude2
Depth10.5 km
Epicenter latitude / longitude40.252°N / 122.81°W (California, United States)
Antipode40.252°S / 57.19°E
Shaking intensityWeak shaking
Felt1 report
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoLassen (114 km / 71 mi)
Nearby towns and cities43 km (27 mi) E of Ruth (pop: 195) | Show on map | Quakes nearby
46 km (29 mi) SE of Hayfork (pop: 2,370) | Show on map | Quakes nearby
49 km (30 mi) WSW of Anderson (Shasta County) (pop: 10,200) | Show on map | Quakes nearby
49 km (31 mi) W of Red Bluff (Tehama County) (pop: 14,100) | Show on map | Quakes nearby
51 km (32 mi) SW of Redding (pop: 91,600) | Show on map | Quakes nearby
60 km (38 mi) SW of Lake Shasta (Shasta County) (pop: 10,200) | Show on map | Quakes nearby
60 km (38 mi) SW of Lake Shasta (pop: 10,200) | Show on map | Quakes nearby
101 km (63 mi) NW of Chico (pop: 90,300) | Show on map | Quakes nearby
Weather at epicenter at time of quakeBroken Clouds 23.2°C (74 F), humidity: 53%, wind: 1 m/s (2 kts) from S
Estimated seismic energy released6.3 x 107 joules (17.5 kilowatt hours) | about seismic energy
Show interactive Map
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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.DepthLocationSource
2.010.5 km44km NW of Rancho Tehama Reserve, CAUSGS
2.010.5 kmNorthern CaliforniaRaspberryShake

Seismograms

Seismic station: Marconi Conference Center, Marshall, CA, USA (MCCM/BK network) | Distance from quake: 234 km / 146 mi | Show on map | Station Info
Seismic station Marconi Conference Center, Marshall, 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. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (1)

At magnitude 2.0, 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.
Translate
Cottonwood / Weak shaking (MMI III)

Earlier earthquakes in the same area

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