2023-10-01T19:46:48.0000Z40.300667-124.29616710.76manualconfirmedIRIS1.43Md1Origin/20231004054612.152002.707362Magnitude/20231004054612.152053.707363IRISNEAR COAST OF NORTHERN CALIF.region nameNEIC PDEcatalognc73944281contributorID