2023-09-18T10:11:37.74Z39.4652-120.23356.4manualconfirmedEMSC1.7md1Origin/20230919025748.001293.600008Magnitude/20230919025748.001348.600009EMSCNORTHERN CALIFORNIAregion nameEMSC-RTScatalog1555420contributorID