2026-05-21T05:21:34.76Z35.311500549316-117.808334350598.6000003814697manualconfirmedUSGS1.1336889213919ml1Origin/20260521052418.803944.29018Magnitude/20260521052418.804004.29019USGS17 km WSW of Johannesburg, CAregion namecicatalogci41471392contributorID