2025-05-31T19:46:58.0000Z38.814999-122.8164981.96manualconfirmedIRIS1Md1Origin/20250531195048.550169.49563Magnitude/20250531195048.55022.49564IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc75189286contributorID