2025-12-21T23:06:27.0000Z37.571499-121.6781698.9manualconfirmedIRIS1.29Md1Origin/20251221231012.438557.19535Magnitude/20251221231012.438618.19536IRISCENTRAL CALIFORNIAregion nameNEIC PDEcatalognc75284426contributorID