2021-05-01T21:54:19.0000Z38.830833-122.8061.19manualconfirmedIRIS0.75Md1Origin/20210501215718.550817.22559Magnitude/20210501215718.550868.22560IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73557000contributorID