2026-05-17T08:04:17.461Z50.8582157.291944manualconfirmedUSGS5.4mww1Origin/20260517211026.362192.54011Magnitude/20260517211026.362248.54012USGS84 km ENE of Severo-Kuril’sk, Russiaregion nameuscatalogus6000syc2contributorID