2026-04-17T12:37:12.403Z50.3189156.545970.766manualconfirmedUSGS4.6mb1Origin/20260417130447.048865.21269Magnitude/20260417130447.04894.21270USGS49 km SE of Severo-Kuril’sk, Russiaregion nameuscatalogus6000sqtbcontributorID