Earthquake M1.9 – 8 km WSW of Ridgemark, CA
Origin Time (UTC)
23:01:57 31.05.26
Magnitude
1.9 md
Agency
USGS
Coordinates
36.778831°N 121.446831°W
Energy Release
0.01 t
Weather
N/A
Depth
10.31 KM
A magnitude 1.9 earthquake struck 8 km WSW of Ridgemark, CA on May 31, 2026. Based on seismic calculations, the event released an energy equivalent to approximately 0.01 t of TNT. The earthquake originated at a depth of 10.31 km below the surface.
Nearby Events
| Time | Mag | Epicenter | Explore |
|---|---|---|---|
|
21:46:07
04/06/2026
|
2.3
|
4 km WSW of Granite Bay, CA
38.7530°N 121.2137°W |
7.12 KM |
EMSC, USGS
|
MAP
EVENT
|
|
17:43:10
04/06/2026
|
2.1
|
18 km NNE of Nice, CA
39.2665°N 122.7410°W |
3.49 KM |
EMSC, USGS
|
MAP
EVENT
|
|
14:17:31
04/06/2026
|
2.7
|
7 km ESE of Fremont, CA
37.5293°N 121.9048°W |
9.06 KM |
EMSC, USGS
|
MAP
EVENT
|
|
05:13:36
04/06/2026
|
2.3
|
7 km NW of The Geysers, CA
38.8168°N 122.8127°W |
3.35 KM |
EMSC, USGS
|
MAP
EVENT
|
|
03:20:36
04/06/2026
|
2.3
|
4 km SE of Larkfield-Wikiup, CA
38.4922°N 122.7152°W |
6.11 KM |
EMSC, USGS
|
MAP
EVENT
|