2025-07-31T00:36:08.993Z50.2225158.85510manualconfirmedUSGS4.5mb1Origin/20250731040703.10861.100691Magnitude/20250731040703.108663.100692USGS200 km ESE of Severo-Kuril’sk, Russiaregion nameuscatalogus6000qwshcontributorID