This picture from Goma is from 2006:
http://www.airliners.net/photo/-/-/1162502. Airliners.net
If the situation hasnīt chnge, you can see, that the runway is a little bit shortened by lava.
According to the JACDEC Webiste (
http://www.jacdec.de/news/news.htm), the crashed aircraft was a DC-9-50 (-> 9Q-CHN).