2026-03-29T17:55:59.832Z-36.3476-73.899910manualconfirmedUSGS4.2mb1Origin/20260329203943.877665.55283Magnitude/20260329203943.877728.55284USGS81 km WNW of Talcahuano, Chileregion nameuscatalogus7000s8kscontributorID