2025-08-01T17:39:08.7Z51.4633159.086446.281manualconfirmedUSGS4.5mb1Origin/20250801214940.353511.122603Magnitude/20250801214940.353563.122604USGS169 km SSE of Vilyuchinsk, Russiaregion nameuscatalogus6000qxbycontributorID