2025-12-31T23:52:08.528Z51.5446159.698228.776manualconfirmedUSGS4.3mb1Origin/20260101005717.835222.100945Magnitude/20260101005717.835274.100946USGS177 km SSE of Vilyuchinsk, Russiaregion nameuscatalogus7000rlt6contributorID