本研究選擇南投縣鹿谷鄉與水里鄉交界處一個48平方公里的地區做地震引起之山崩潛感分析。應用Newmark累積位移法做基礎，分析921地震時，在地震力作用下邊坡所產生之累積位移量，並假設位移越大者其山崩潛感也越大。由許多資料發現，坡度是影響邊坡崩坍的重要因子之ㄧ，由於利用現有公式計算，在稜線及邊界位置會得到偏低值，本研究提出一個修正方法，希望藉由坡度的修正，提高累積位移量，使崩坍潛感能更準確。由於本研究區域內只有一個地震記錄測站，但是地形起伏很大，若只用現有的地震測站記錄將無法完整的表現出地形對於地震力的影響，因此考慮地震力由地形所引起的放大縮小效應，並探討加入地形效應的山崩潛感模式分析的影響。又由於繪製崩坍位置圖時，常因判釋者研判不完善、影像糾正或套疊不當，都可能產生位置之偏差，為了減少這種偏差之影響，本文嘗試利用近鄰分析製作密度圖，以了解降低這種誤差之效果。
　　由研究結果顯示：(1)修正後的稜線及邊界之網格(cell)的坡度雖確實能增加，但由於其數目在整體數目比例上太少，因此影響最終結果值很小。(2)考慮地形效應的結果可獲得較高的崩壞比。(3)加入考慮密度的方式後，可得到較高的總體精度。

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