2025-08-09T16:20:29.34Z49.9702155.840876.803manualconfirmedUSGS4.4mb1Origin/20250809194508.617496.192018Magnitude/20250809194508.617544.192019USGS81 km SSW of Severo-Kuril’sk, Russiaregion nameuscatalogus6000qzhucontributorID