2025-08-27T21:02:57.0000Z38.754501-122.7078320.57manualconfirmedIRIS2.78Md1Origin/20250827210643.883204.386531Magnitude/20250827210643.883257.386532IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc75229517contributorID