2025-12-20T03:49:28.0000Z37.742833-121.9538339.56manualconfirmedIRIS3.77Mw1Origin/20251222173305.284235.26907Magnitude/20251222173305.284287.26908IRISCENTRAL CALIFORNIAregion nameNEIC PDEcatalognc75283016contributorID