Minor mag. 2.6 earthquake - 18km ESE of Hayfork, CA, on Saturday, May 21, 2022 at 1:11 am (GMT -7) -
Minor magnitude 2.6 earthquake at 43 km depth
21 May 08:14 UTC: First to report: USGS after 4 minutes.
21 May 22:58: Hypocenter depth recalculated from 35.4 to 43.1 km (from 22 to 27 mi). Epicenter location corrected by 2.2 km (1.3 mi) towards NNW.
21 May 22:58: Hypocenter depth recalculated from 35.4 to 43.1 km (from 22 to 27 mi). Epicenter location corrected by 2.2 km (1.3 mi) towards NNW.
Earthquake details
| Date & time | May 21, 2022 08:11:12 UTC - |
| Local time at epicenter | Saturday, May 21, 2022 at 1:11 am (GMT -7) |
| Status | Confirmed |
| Magnitude | 2.6 |
| Depth | 43.1 km |
| Epicenter latitude / longitude | 40.5215°N / 122.97583°W  (California, United States) |
| Antipode | 40.522°S / 57.024°E |
| Shaking intensity | Not felt |
| Primary data source | USGS (United States Geological Survey) |
| Nearest volcano | Mount Shasta (119 km / 74 mi) |
| Nearby towns and cities | 15 km (9 mi) S of Readings Bar (pop: 713) | Show on map | Quakes nearby 18 km (11 mi) E of Hayfork (pop: 2,370) | Show on map | Quakes nearby 25 km (16 mi) SW of Leviston (pop: 1,190) | Show on map | Quakes nearby 50 km (31 mi) W of Redding (pop: 91,600) | Show on map | Quakes nearby 54 km (34 mi) WSW of Lake Shasta (Shasta County) (pop: 10,200) | Show on map | Quakes nearby 54 km (34 mi) WSW of Lake Shasta (pop: 10,200) | Show on map | Quakes nearby 58 km (36 mi) W of Anderson (Shasta County) (pop: 10,200) | Show on map | Quakes nearby 131 km (81 mi) NW of Chico (pop: 90,300) | Show on map | Quakes nearby |
| Weather at epicenter at time of quake | Clear Sky  6.7°C (44 F), humidity: 64%, wind: 2 m/s (3 kts) from WNW |
| Estimated seismic energy released | 5 x 108 joules (139 kilowatt hours, equivalent to 0.12 tons of TNT) | 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 |
| 2.6 | 43 km | 18km ESE of Hayfork, CA | USGS |
| 2.6 | 35 km | NORTHERN CALIFORNIA | EMSC |
| 2.6 | 43 km | Northern California | RaspberryShake |
User reports for this quake
At magnitude 2.6, 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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