2025-12-15T03:13:25.0000Z38.830833-122.8188321.91manualconfirmedIRIS1.55Md1Origin/20251215031615.209278.230693Magnitude/20251215031615.209334.230694IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc75280066contributorID