2023-10-21T02:22:39.0000Z40.284667-124.53066720.4manualconfirmedIRIS2.34Md1Origin/20231023071751.400805.115779Magnitude/20231023071751.400855.115780IRISNEAR COAST OF NORTHERN CALIF.region nameNEIC PDEcatalognc73949570contributorID