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Minor mag. 2.3 earthquake - 15km SE of Bayside, CA, on Saturday, Aug 13, 2022 at 6:07 am (GMT -7) -

Minor mag. 2.3 earthquake - 15km SE of Bayside, CA, on Saturday, Aug 13, 2022 at 6:07 am (GMT -7) Minor mag. 2.3 earthquake - 15km SE of Bayside, CA, on Saturday, Aug 13, 2022 at 6:07 am (GMT -7)

Minor magnitude 2.3 earthquake at 22 km depth

13 Aug 13:09 UTC: First to report: USGS after 2 minutes.
13 Aug 23:22: Magnitude recalculated from 2.1 to 2.3. Hypocenter depth recalculated from 23.7 to 22.2 km (from 14.7 to 13.8 mi). Epicenter location corrected by 1.7 km (1.1 mi) towards WSW.

Earthquake details

Date & timeAug 13, 2022 13:07:10 UTC -
Local time at epicenterSaturday, Aug 13, 2022 at 6:07 am (GMT -7)
StatusConfirmed
Magnitude2.3
Depth22.2 km
Epicenter latitude / longitude40.75583°N / 123.932°W (California, United States)
Antipode40.756°S / 56.068°E
Shaking intensityNot felt
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoMount Shasta (163 km / 101 mi)
Nearby towns and cities15 km (9 mi) SE of Bayside (Humboldt County) (pop: 17,100) | Show on map | Quakes nearby
15 km (9 mi) SSE of Blue Lake (pop: 1,250) | Show on map | Quakes nearby
18 km (11 mi) SE of Arcata (Humboldt County) (pop: 17,800) | Show on map | Quakes nearby
20 km (13 mi) ESE of Eureka (Humboldt County) (pop: 27,000) | Show on map | Quakes nearby
26 km (16 mi) SE of McKinleyville (Humboldt County) (pop: 15,200) | Show on map | Quakes nearby
26 km (16 mi) NE of Fortuna (Humboldt County) (pop: 12,000) | Show on map | Quakes nearby
32 km (20 mi) NNE of Rio Dell (pop: 3,390) | Show on map | Quakes nearby
33 km (20 mi) SW of Willow Creek (pop: 1,710) | Show on map | Quakes nearby
Weather at epicenter at time of quakeClear Sky 9.5°C (49 F), humidity: 97%, wind: 1 m/s (3 kts) from E
Estimated seismic energy released1.8 x 108 joules (49.4 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
2.322 km15km SE of Bayside, CAUSGS
2.124 kmNORTHERN CALIFORNIAEMSC
2.322 kmNorthern CaliforniaRaspberryShake

Seismograms

Seismic station: Crater Lake Bunk House (CLBH/CC network) | Distance from quake: 281 km / 175 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. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (2)

At magnitude 2.3, 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.
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Cutten, CA / Light shaking (MMI IV) / single vertical bump / very short : I was sound asleep. Bed shook & woke me up  
Weott / Light shaking (MMI IV)

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