2021-10-20T20:07:05.0000Z38.834667-122.8091662.05manualconfirmedIRIS1Md1Origin/20211020200938.176386.250866Magnitude/20211020200938.176444.250867IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73642040contributorID