2025-04-17T06:49:17.0000Z38.847168-122.8483351.65manualconfirmedIRIS0.54Md1Origin/20250417065151.519436.7838Magnitude/20250417065151.51949.7839IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc75166771contributorID