2020-12-11T00:46:31.0000Z38.821667-122.7904972.4manualconfirmedIRIS0.55Md1Origin/20201211004934.444398.2832351Magnitude/20201211004934.444449.2832352IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73496210contributorID