2020-12-18T12:15:45.0000Z35.887833-120.42283611.49manualconfirmedIRIS1.09Md1Origin/20201218121853.881306.9470Magnitude/20201218121853.881357.9471IRISCENTRAL CALIFORNIAregion nameNEIC PDEcatalognc73499820contributorID