2025-08-18T02:09:31.114Z49.8497155.860664.284manualconfirmedUSGS5mb1Origin/20250818022415.810763.271761Magnitude/20250818022415.810816.271762USGS93 km SSW of Severo-Kuril’sk, Russiaregion nameuscatalogus6000r1srcontributorID