月 次 地球概論 1.如何區分地球構造 2.地球內部概貌如何? 3.地球各部分構造的質量與體積如何? 4.地球的常數如何? 5.地球的重力如何? 4 7.地球之温度變化如何? 8.影響地表溫度之因素有那些 地震 定義… 921地震時台中霧峰中正大樓倒塌情形 9.地震學的定義為何? (二)地震分 10.地震發生的原因為何? ll.斷層是否與地震有關 12.斷層可分那些類 13.何謂震源與震央? 14.何謂淺層地震丶深層地震 15.何謂遠地地震? 16.何謂有感地震丶無感地震丶前震丶餘震? 17.何謂局發丶小區域丶稍顒著地震及顒著地震 18.何謂地震序列? 19.何謂假地震? 20.人工水庫是否與地震之活動有關? (三)地震波 921地震時南投草屯烏溪橋受損情形 21.主要的地震波有那些? 22.地表振動與地震波之關徐為何?目 次 一、地球概論······················································· 1 1. 如何區分地球構造？·························· 1 2. 地球內部概貌如何？·························· 2 3. 地球各部分構造的質量與體積如何？············ 3 4. 地球的常數如何？···························· 3 5. 地球的重力如何？···························· 4 6. 地球之磁力如何？···························· 4 7. 地球之溫度變化如何？························ 5 8. 影響地表溫度之因素有那些？·················· 5 二、 地 震························································ 6 （一）定義······················································· 6 9. 地震學的定義為何？·························· 6 921 地震時台中霧峰中正大樓倒塌情形 （二）地震分類 ················································· 6 921 地震時南投草屯烏溪橋受損情形 i 10. 地震發生的原因為何？························ 6 11. 斷層是否與地震有關？························ 6 12. 斷層可分那些類？···························· 7 13. 何謂震源與震央？···························· 8 14. 何謂淺層地震、深層地震？···················· 9 15. 何謂遠地地震？······························ 9 16. 何謂有感地震、無感地震、前震、餘震？········ 9 17. 何謂局發、小區域、稍顯著地震及顯著地震？···· 9 18. 何謂地震序列？······························ 10 19. 何謂假地震？································ 10 20. 人工水庫是否與地震之活動有關？·············· 11 （三）地震波···················································· 11 21. 主要的地震波有那些？························ 11 22. 地表振動與地震波之關係為何？················ 13