2026-04-29T11:56:53.0000Z-41.993172.72339.9manualconfirmedGNS1.8MLv1Origin/20260429120055.923151.26499Magnitude/20260429120055.923212.26500earthquakeGNS20 km south-west of St Arnaudregion nameGNScatalog2026p320264contributorID