2025-07-31T15:59:02.0000Z34.1415-117.42055.59manualconfirmedIRIS1.06Ml1Origin/20250731160530.961466.107639Magnitude/20250731160530.961519.107640IRISSOUTHERN CALIFORNIAregion nameNEIC PDEcatalogci41249456contributorID