2020-12-18T01:35:31.0000Z37.711666-121.9726649.72manualconfirmedIRIS1.47Md1Origin/20201218013815.026689.3147772Magnitude/20201218013815.026746.3147773IRISCENTRAL CALIFORNIAregion nameNEIC PDEcatalognc73499645contributorID