2025-02-21T23:37:55.61Z40.3723335266113-121.3673324584967.73000001907349manualconfirmedUSGS1.63md1Origin/20250221233933.841421.195117Magnitude/20250221233933.841473.195118USGS14 km NW of Chester, CAregion namenccatalognc75136906contributorID