229 2006 9 Relationship between land conditions and earthquake damages in the western part of Tokyo Loland Iware Matsuda 1 2 3 1. 2. 3. 4. 5. 1. 3 1855 1923 2 17 1703 1615 1649 VI 19 1855 1894 VI 1923 2 80 V 1929 V 1985 10 4 V 1992 2 2 V 96
1996 2005 7 23 V 2004 8 7 10 10% 30 70% 50 90% 18 2005 30 km 7.3 1 3000 85 66 46 112 2006 3 4662 43 6539 2006 1977 1982 2. 1 1 3 Matsuda, 1974 60 m 1993 30 m 10 m 1964 2 6 1 No.1 28 No.37 72 No.28 60 30 m 97
229 1 m A B 2 No.89 30 m N 1993 No.28 10 m No.1 23 5m 98
2 12 34 5 6 789 1 1989 1994 3 1180 1590 1 5m 99
229 3 1994 1992 1961 2 40 m 3 15 1590 1596 1615 2004 1880 1 30 2 3 100
4 5 6 3. 1996 1855 11 11 2 10 2 10 6.9 4 VI VI V 4 1996 IV 30 2.2 km 2 4394 4741 1 1973 1 2066 1983 1722 7 1672 264 17 1745 2 21 23 1847 4 1685 23 1 1983 1828 11 3 8 9 10 12 13 17 18 20 1855 2 56 4623 14 0902 4 4 1973 4741 2759 1 5a 5b 5c 5d 5a 101
229 1 A B B/A % C D D/C % 1 133 23 96 2 185 57 86 61 3 11,436 1,047 9.2 41 45,744 578 1.26 5 20 m 4 42 3 7 17 5 66 18 29 6 6 5 5 7 156 26 69 8 6,674 494 7.4 63 26,696 81 0.30 20 m 9 10,036 115 1.1 10 40,144 18 0.04 10 4,028 29 0.7 0 16,112 10 0.06 11 154 32 75 12 5,264 66 1.3 6 21,056 24 0.11 13 9,893 1,525 15.4 138 39,572 366 0.92 30 m 14 743 19 30 15 337 39 63 16 2,307 116 384 30 40 m 17 11,611 4,903 42.2 785 46,444 1,186 2.55 30 40 m 18 3,649 3,415 93.6 22 14,596 474 3.25 30 m 19 5 0 0 20 3,012 4 0.1 1 12,048 5 0.04 21 254 1 65 18 0 6 5 1 1,074 30 m 14,346 1,727 1,410 4,741 1983 1973 102
5a 1983 1966 5c 1973 5b 1973 5d 1973 103
229 1 1975 1869 2 5636.5 ha 68.6% 15.6% 15.8% 1855 56 4623 14 0902 1983 673.2 /ha 158.1 /ha 1 63.3 m 2 17 18 30 40 m 1 17 17 42.2% 18 93.6% 17 18 3.2 22 785 35.7 1973 16 13 15.4% 3 8 9.2% 7.4% 3 8 20 m 3 8 10 20 1% 20 4 9 12 1.1% 1.3% 9 12 14 743 2 4741 1074 3661 2044 55.8% 16 17 18 17 1186 104
6 M=6.9 2006 1ha 10 3 1ha 10 1977 11 10 1983 4. 2006 2005 6.9 7.3 2 6.9 6 2 S 3000 m/s 700 m/s 3 3 1961 1961 1980 1981 1971 1971 1980 1981 3 6 105
229 2 23 m M=6.9% M=7.3% 5 10 5.1 0.8 16.0 2.0 5 15 9.9 1.4 21.5 2.8 5 25 3.7 0.7 10.1 1.7 5 1.1 0.3 5.4 1.0 5 10 2.2 0.5 8.9 1.3 5 30 10.9 2.0 22.5 3.5 30 40 23.6 3.8 32.6 5.4 20 70 17.2 2.7 29.0 4.7 5 20 1.7 0.5 7.4 1.3 5 10 1.1 0.3 4.6 0.8 5 25 2.6 0.7 8.1 1.7 5 0.8 0.2 3.0 0.6 5 10 1.5 0.4 5.8 1.0 5 0.6 0.2 3.5 0.6 5 0.4 0.2 2.0 0.4 5 1.2 0.3 6.0 0.9 5 30 2.6 0.7 8.9 1.6 5 40 12.2 2.3 23.4 3.9 5 30 0.7 0.3 3.5 0.9 5 0.2 0.1 1.5 0.3 10 55 8.3 2.1 16.2 3.6 10 65 9.0 2.3 16.4 3.7 5 65 9.0 2.1 14.7 3.2 23 4.5 1.0 9.6 1.9 2006 P L 50% 23 1983 106
6.9 2 50 m 5m 5m M=6.9 23.6% 17.2% 10% 3 15.4% 3 9.2% 10% 1.1% 7.4% 8 9 3.7% 1 2 2% 1.4% 5. 2004 2008 107
229 1 Matsuda, I. Distribution of the Recent deposits and buried landforms in the Kanto Lowland, central Japan. Geographical Reports of Tokyo Metropolitan University, vol.9, 1974, pp.1-36. 2 1996 3 113 6 2004 785 801 4 1964 5 1982 6 1992 7 1983 8 38 1989 75 92 9 1994 141 158 10 1977 11 2005 12 1973 13 2006 14 1966 15 1993 67 109 108