2025-08-09T00:04:38.304Z49.8053155.777163.173manualconfirmedUSGS4.5mb1Origin/20250809214717.345755.192566Magnitude/20250809214717.345806.192567USGS99 km SSW of Severo-Kuril’sk, Russiaregion nameuscatalogus6000qzeccontributorID