2025-12-28T19:56:43.0000Z37.754833-121.9359976.48manualconfirmedIRIS2.75Md1Origin/20251228195943.758281.75245Magnitude/20251228195943.758338.75246IRISCENTRAL CALIFORNIAregion nameNEIC PDEcatalognc75287651contributorID