2025-09-28T00:15:52.0000Z38.834499-122.8176651.73manualconfirmedIRIS1.66Md1Origin/20250928001939.344326.689287Magnitude/20250928001939.344385.689288IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc75242777contributorID