2023-09-16T21:08:40.0000Z38.816666-122.8171692.43manualconfirmedIRIS0.92Md1Origin/20230916211132.411474.585132Magnitude/20230916211132.411526.585133IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73937611contributorID