2023-09-20T13:56:10.0000Z37.478832-121.267166-0.13manualconfirmedIRIS1.97Md1Origin/20230920135854.179453.610887Magnitude/20230920135854.179507.610888IRISCENTRAL CALIFORNIAregion nameNEIC PDEcatalognc73939351contributorID