2025-04-01T17:56:54.0000Z38.8195-122.8414992.13manualconfirmedIRIS0.77Md1Origin/20250401180022.279779.64105Magnitude/20250401180022.279843.64106IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc75158622contributorID