2025-12-28T05:56:30.0000Z38.842667-122.8036653.94manualconfirmedIRIS1.05Md1Origin/20251228055952.364489.71033Magnitude/20251228055952.364541.71034IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc75287401contributorID