M 1.2 Quarry Blast - 3 km SW of Clayton, CA
Time
2026-10-14 20:09:50 UTC
2026-10-14 20:09:50 UTC at epicenter
Location
37.922°N 121.955°W
Depth
-0.28 km (-0.17 mi)

https://earthquake.usgs.gov/earthquakes/eventpage/nc75449426