2025-10-31T11:17:03.0000Z38.823666-122.8081672.7manualconfirmedIRIS0.76Md1Origin/20251031112050.398556.145940Magnitude/20251031112050.398613.145941IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc75257021contributorID