USGSAugust 5, 2026
M4.5 earthquake, 21 km SE of Alderpoint, California
A magnitude 4.5 earthquake was recorded 21 km SE of Alderpoint, California at a depth of 9 km, according to the U.S. Geological Survey. It was the 7,413th earthquake of magnitude 2.5 or more the USGS located in and near the U.S. in 2026, against 12,608 a year on average in 2016-2025.
M4.5
The notice
- Issued by
- U.S. Geological Survey
- Area
- 21 km SE of Alderpoint, California
- State
- California
- Magnitude
- 4.5 (moment magnitude)
- Depth
- 9.0 km
- Time
- 2026-08-05 22:21:58 UTC
- Status
- automatic solution (may be revised)
- Epicentre
- 40.026, -123.451
- Official source
- U.S. Geological Survey: the notice at its source
Warnings and earthquakes in CaliforniaEarthquakes, August 2026
Source: U.S. Geological Survey: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.