1 2 3 4 5 2004 11 1
2004 16 10 23 17 56 M6.8 7 M6.0 KNET http://www.kyoshin.bosai.go.jp/k- net/quake 1750gal 65.6cm/s 1500gal136cm/s 818gal 92cm/s 0.6 12 http://www.k-net.bosai.go.jp/k-net/news/niigata041023/sit e1.html M3.5M4.3M3.2 M4.3 http://www.k-net.bosai.go.jp/k- net/news/niigata041023/inv/fig1.html http://www.eri.u -tokyo.ac.jp/sanchu/seismo_note/2004/e Acceleration (Gal) Time (sec) NS-component: 1144 Gal (1.17 g) EW-component: 1308 Gal (1.33 g) UD-component: 820 Gal (0.84 g) IC154a.html 10 23 27 http://www.eri.u - tokyo.ac.jp/topics/chuetsu2004/hypo1027.jpg 30km 15km
1995 M7.3 2000 M7.3 11 60 Vol.16 No.52005 http://zgate.gsi.go.jp/niigatajishin/ 400 700 10km5km
2000 2001 17 1 13 3,791 1 m 3 1,310km 2-1
10km5km 20km10km 1km 2 20 5 2005 1995 2000 3-1 12m -1 12m 5m 20m
-2 500m -3 10 m 2002-4 -2-5 -6
-7-8 (2001) 117-124 (2002) 1-200 (2005)2004 57(5) (2000) 52(5)41-45 (2000) 1-190 (1995) 30 49-60
17 1 28 M6.82004 (1) 1 1 1 (2) 1 (3) 1 1 1 (1)
35 (2) 12 (3) (4) 1
1 16 4 131 90 12 31 3791 4.7% 21km 2 1964 1
1.E+05 1.E+04 1.E+03 L T = k ( sinθ + H L) 1.E+08 1.E+07 1.E+06 1.E+03 1.E+04 1.E+05 1.E+06 1.E+07 q 0.347 S H 0.512 d 4 m=0.25mm 10 = S H 0.290 d 4 m=2.50mm 10 max 0.384 ( ) ( ) qmax [m 3 /s/m]s [m 3 /m]h [m] SH 5.1 dm=0.25mm 200m 3 /s 500m 3 /s
10 26 16 27 31 5 11 1 4 5 4 17 1,469 508 26