2025-08-31T19:08:28.0000Z34.453167-117.9091679.54manualconfirmedIRIS0.89Ml1Origin/20250831194603.346209.422303Magnitude/20250831194603.346261.422304IRISSOUTHERN CALIFORNIAregion nameNEIC PDEcatalogci41280216contributorID