2021-12-18T02:41:28.0000Z30.3828-113.756610manualconfirmedIRIS4.5mb1Origin/20211218031804.825948.498805Magnitude/20211218031804.825999.498806IRISGULF OF CALIFORNIAregion nameNEIC PDEcatalogus6000gdb9contributorID