2025-08-01T15:42:04.562Z51.775159.662432.301manualconfirmedUSGS4.4mb1Origin/20250802195040.635831.130639Magnitude/20250802195040.635881.130640USGS154 km SSE of Vilyuchinsk, Russiaregion nameuscatalogus6000qxazcontributorID