Minor mag. 2.5 earthquake - 4km ENE of Petrolia, CA, on Saturday, Aug 6, 2022 at 12:53 am (GMT -7) -
Minor magnitude 2.5 earthquake at 29 km depth
6 Aug 07:55 UTC: First to report: USGS after 3 minutes.
6 Aug 09:44: Magnitude recalculated from 2.1 to 2.5. Hypocenter depth recalculated from 26.8 to 28.9 km (from 16.7 to 18 mi). Epicenter location corrected by 0.7 km (0.4 mi) towards NW.
6 Aug 09:44: Magnitude recalculated from 2.1 to 2.5. Hypocenter depth recalculated from 26.8 to 28.9 km (from 16.7 to 18 mi). Epicenter location corrected by 0.7 km (0.4 mi) towards NW.
Earthquake details
| Date & time | Aug 6, 2022 07:53:07 UTC - |
| Local time at epicenter | Saturday, Aug 6, 2022 at 12:53 am (GMT -7) |
| Status | Confirmed |
| Magnitude | 2.5 |
| Depth | 28.9 km |
| Epicenter latitude / longitude | 40.34267°N / 124.2385°W  (California, United States) |
| Antipode | 40.343°S / 55.762°E |
| Shaking intensity | Not felt |
| Primary data source | USGS (United States Geological Survey) |
| Nearest volcano | Clear Lake (198 km / 123 mi) |
| Nearby towns and cities | 19 km (12 mi) SW of Scotia (Humboldt County) (pop: 850) | Show on map | Quakes nearby 21 km (13 mi) SSW of Rio Dell (pop: 3,390) | Show on map | Quakes nearby 29 km (18 mi) SSW of Fortuna (Humboldt County) (pop: 12,000) | Show on map | Quakes nearby 43 km (27 mi) NW of Redway (pop: 1,230) | Show on map | Quakes nearby 51 km (32 mi) S of Eureka (Humboldt County) (pop: 27,000) | Show on map | Quakes nearby 58 km (36 mi) SSW of Bayside (Humboldt County) (pop: 17,100) | Show on map | Quakes nearby 60 km (37 mi) SSW of Arcata (Humboldt County) (pop: 17,800) | Show on map | Quakes nearby 68 km (42 mi) S of McKinleyville (Humboldt County) (pop: 15,200) | Show on map | Quakes nearby |
| Weather at epicenter at time of quake | Scattered Clouds  12.2°C (54 F), humidity: 97%, wind: 1 m/s (1 kts) from SSW |
| Estimated seismic energy released | 3.5 x 108 joules (98.6 kilowatt hours) | about seismic energy |
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 |
| 2.5 | 29 km | 4km ENE of Petrolia, CA | USGS |
| 2.5 | 29 km | NORTHERN CALIFORNIA | EMSC |
| 2.5 | 29 km | Near Coast of N. California | RaspberryShake |
User reports for this quake
At magnitude 2.5, this quake might have been felt very close to the epicenter and under calm conditions.User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Earlier earthquakes in the same area
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