2023-04-17T01:54:00.0000Z39.297667-123.2406677.72manualconfirmedIRIS1.08Md1Origin/20230418085412.13921.71055Magnitude/20230418085412.139259.71056IRISNEAR COAST OF NORTHERN CALIF.region nameNEIC PDEcatalognc73874510contributorID