1. Earthquakes and Seismotectonics of Taiwan: An Overview Yi-Ben Tsai Geosciences Department, Pacific Gas and Electric Company, San Francisco, USA September 22, 2009 The Next Generation of Research on Earthquake-induced Landslides: An International Conference in Commemoration of 10th Anniversary of the Chi-Chi Earthquake, 2009

2. http://www.ncor.ntu.edu.tw/ODBS/depth/taidbmv6/2dshad/2dshad.html

3. Seismicity of Taiwan, 1990-2008 (USGS) (CWB)

4. (Wu et al., 2007) Three-dimensional view of the relocated seismicity of Taiwan (1991-2005)

5. (Chang, 2000)

6. GPS velocity field and strain rate (1993-1999) ▼ Dilatation and principal strain rate axes ▼ Interseismic velocity relative to S01R (Yu et al., 2003)

7. 1991.01.01-1999.9.21 ： 1071999.9.21-2001.12.31 ： 401 (Chiang, 2005)

8. Active faults in Taiwan

9. Davidson (1903)

10. (Chen and Tsai, 2008)

11. Damaging earthquakes in Taiwan (1901-2000) (http://www.cwb.gov.tw/)

12. (3276) (2535) (1275) (106) (355)

16. Area Total households Collapsed households Collapse rate Fault zone 1,743 1,084 62.192% East of fault zone 1,040 803 77.212% West of fault zone 1,092 891 81.593% Over all 3,875 2,778 71.690% 1935 Shih-tan fault

17. Area Population Death toll Fatality rate Fault zone 10,380 196 1.888% East of fault zone 6,146 28 0.456% West of fault zone 8,149 124 1.522% Over all 24,675 348 1.410% 1935 Shih-tan fault

21. Area Total households Collapsed households Collapse rate Fault zone 3,220 1,889 58.665% South of fault zone 1,094 505 46.161% North of fault zone 5,814 1,655 28.466% Over all 10,128 4,049 39.978% 1935 Tun-tze-chiao fault

22. Area Population Death toll Fatality rate Fault zone 22,075 1,292 5.853% South of fault zone 7,694 140 1.820% North of fault zone 38,589 402 1.042% Over all 68,358 1,834 2.682%

24. (Ouchi et al., 2001)

25. Collapsed unreinforced houses

26. Area Total households Collapsed households Collapse rate Fault zone 59,971 8,719 14.539% East of fault zone 28,124 8,271 29.409% West of fault zone 85,830 8,348 9.726% Over all 173,925 25,338 14.568%

27. Area Population Death toll Fatality rate Fault zone 226,227 543 0.240% East of fault zone 102,203 565 0.553% West of fault zone 307,120 333 0.108% Over all 635,550 1,441 0.227%

28. Seismic Zoning Map (1974)Seismic Zoning Map (1982)

29. (Lee et al., 2001)

30. CHY080

35. Chiou and Youngs (2008) Previous Data New Data

37. Attenuation Relationships for subduction zone earthqukes Lin (2009) Different focal mechanismsDifferent Vs30’s

38. New Generation of Probabilistic Seismic Hazard Maps for Taiwan: California as an Example New Generation of Attenuation Relationships +

42. Thank you for your attention

47. 中央地質調查所資料

49. 車籠埔斷層逆衝造成的破壞：豐原中正公園附近樓房傾斜

52. Collapse rate

53. Death rate

54. （內政部， 1997 ） （國家地震工程研究中心， 1999 ） Seismic Zoning Map (1997)Seismic Zoning Map (1999)