2026-04-09T06:15:22.24Z38.842666625977-122.831832885742.74manualconfirmedUSGS0.5md1Origin/20260409061659.532169.188051Magnitude/20260409061659.532236.188052USGS10 km WNW of Cobb, CAregion namenccatalognc75341477contributorID