2026-04-28T02:30:56.0000Z38.837833-122.7946671.22manualconfirmedIRIS0.12md1Origin/20260430001617.232625.32127Magnitude/20260430001617.232689.32128IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc75352912contributorID