2025-06-04T00:37:45.0000Z38.820999-122.7643361.39manualconfirmedIRIS0.77Md1Origin/20250604004024.709454.76147Magnitude/20250604004024.709506.76148IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc75190681contributorID