2026-08-18T23:57:03.92Z38.83466720581-122.800003051760.88manualconfirmedUSGS0.72md1Origin/20260818235939.008093.429192Magnitude/20260818235939.008152.429193USGS7 km WNW of Cobb, CAregion namenccatalognc75420932contributorID