 Ramba uchinyora ndima iyi - Ngano iyi ingave yakadzika midzi munhau yegeology, sezvo Lake Chao iri pamharadzano yezvikanganiso zvikuru zvinoverengeka, ine mukurumbira zvikurusa iri Tan Lu Fault, iyo yakaparira kudengenyeka kukuru kwaTangshan kwa1976murutivi rwayo rwokuchamhembe. 