2025-12-15T04:05:34.0000Z38.827999-122.8491672.18manualconfirmedIRIS0.94Md1Origin/20251215040843.910854.230837Magnitude/20251215040843.910905.230838IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc75280106contributorID