Earthquake M1.0 – 6 km SSE of Portola Valley, CA
Origin Time (UTC)
08:22:38 31.05.26
Magnitude
1.0 md
Agency
USGS
Coordinates
37.334000°N 122.218330°W
Energy Release
0.00 t
Weather
N/A
Depth
8.73 KM
A magnitude 1.0 earthquake struck 6 km SSE of Portola Valley, CA on May 31, 2026. Based on seismic calculations, the event released an energy equivalent to approximately 0.00 t of TNT. The earthquake originated at a depth of 8.73 km below the surface.
Nearby Events
| Time | Mag | Epicenter | Explore |
|---|---|---|---|
|
22:43:39
05/06/2026
|
2.0
|
8 km SW of Fort Bragg, CA
39.4000°N 123.8737°W |
1.95 KM |
USGS
|
MAP
EVENT
|
|
11:52:03
05/06/2026
|
2.8
|
7 km E of Navarro Head, CA
39.2073°N 123.6828°W |
3.17 KM |
EMSC, USGS
|
MAP
EVENT
|
|
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
|