Local geology suggests that a volcanic eruption on Flores approximately 12,000 years ago was responsible for the demise of `` H. floresiensis '' , along with other local fauna , including the elephant `` Stegodon '' .
Local geology suggests that a volcanic eruption on Flores approximately 12,000 years ago was responsible for the end of `` H. floresiensis '' and animals that lived on the island . The elephant `` Stegodon '' also became extinct at this time .