DR Congo Nyirangongo Volcano Lava Flow Assessment DR Congo (17 January 2002 Eruption) Format Map Source Govt. USA Posted 17 Jan 2002 Originally published 17 Jan 2002 Attachments Download Map (PDF | 111.76 KB) Base Image: LANDSAT 4, 30 M resolution, 04 Aug 1989. Estimated extent of lava flow depicted on map.