地震百问电子书 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 (二)地震分類························· 6 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 23. 何謂頻散?··································13 48. 中央氣象局如何發布地震消息?················33 24. 何謂地震波之隱蔽區?························13 49. 何謂強地動觀測?····························33 50. 建立強地動觀測網有何效益?··················33 (四)地震規模與震度·········································15 25. 何謂規模?··································15 (六)地震的分布··············································34 51. 何謂板塊運動?······························34 26. 如何計算規模?······························15 52. 何謂地震帶?································37 27. 各種地震規模的計算值都是一樣的嗎?··········15 53. 台灣地震帶之分布情形如何?··················37 28. 地震規模與所記錄到的最大振幅之關係為何?····19 54. 台灣的地震頻率如何?························40 29. 地震規模與釋放能量的關係為何?··············19 55. 地震的發生是否與天氣或季節有關?············40 30. 地震規模愈大,是否災情愈大?················19 56. 台灣地區何以東部地震最多?··················41 31. 試問規模多大的地震才會引起災害?············19 57. 台灣地區何以西部地震災害較嚴重?············41 32. 規模8.2的地震威力有多大?··················20 58. 台灣地區一般建築物耐震標準的分區情形如何?··41 33. 如何以地震規模區分地震之大小?··············20 34. 過去發生之地震其規模(M)與次數分布情形如何?············································20 (七)地震發生時所伴隨的現象······························42 59. 因地震引發之地殼變動有那些現象?············42 60. 台灣大地震發生之地殼變動如何?··············42 35. 何謂震度?··································21 |
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