* Damage distributions and hypocenters of Tenmei-Sagami earthquake and Kaei-Odawara earthquake Tomiichi UETAKE R&D Center, Tokyo Electric Power Company, 4-1, Egasaki-cho, Tsurumi-ku, Yokohama, 230-8510 Japan Atsuko NOGUCHI Global Environmental Policy Group Environment Department, Tokyo Electric Power Company 1-1-3, Uchisaiwai-cho, Chiyoda-ku, Tokyo, 100-8560 Japan Misao NAKAMURA Information Service for Disaster Prevention, 230-7, Miroku-cho, Sakura Chiba, 285-0038 Japan The seismic intensity distribution of the 1782 Tenmei-Sagami earthquake and the 1853 Kaei-Odawara earthquake were re-examined using historical documents in order to re-evaluate the location and magnitude of these events. The 1782 Tenmei-Sagami earthquake was estimated to have occurred in Kanagawa-Yamanashi border area with magnitude of 6.8 to 7.0. The 1853 Kaei-Odawara earthquake was estimated to have occurred in the north edge of the Ashigara plane with magnitude of 6.6 to 6.8. Keywords: Tenmei-Sagami earthquake, Kaei-Odawara earthquake, Earthquake damage distribution, Seismic Intensity Inversion, Hypocenter. 1 M7 1633 (M7.0)1782 (M7.0)1853 (M6.7) 3 (1993) (2003)3 (2008) (1984) * 230-8510 4-1 100-8560 1-1-3 285-0038 230-7 : misao@ba2.so-net.ne.jp 5 45km M 7 (2003) (1986) (1997) (1993) M 7 5 M 7.27.3 (1977) (2003) () M6.7 (1993) (1993) - 39 -
(1993) 5 M 7 (1984) (2005) 1995 K-NETKik-net (2003) (2003) (2002) (1999) (2001) (2006)(2009) (1782 M7) (1853 M6.7) (2003)() 2 2.1 () 1 2 ( 2) 2.2 5 556667 7 (20042009) 5-5+6-6+ 7 5.0 5.5 6.0 6.5 7.0 4.5 5-5 6 (2004) 6 6 5 E e 2.3 ( ()) M7 3( ) ( ) 2.4 茨 ( ) - 40 -
( 廻 ) ( ) 45 () () () 溢 () 溢 ()()( ) () () () () ( ) () () ( ) () () ( ) () ( ) () 6 爺 () () () 800 ( 1992) 800 6 () 6 () ( ) 5-41 -
() ()() 6 () 5 ( 858-861pp) 2.4 ()() 19 () 61 32% 6 ( ) 2 4 6 () 迄 () () >5 9 27 148 ( 24 ) 15.2% 6 35km () 100km 5 (1984) 1 40 () 2.4 (20:30 ) (01:20 ) 2.3 () 124 (140 1764 )(73 1804 )()(92 1805 )(32 1763 ) (59 1730 )() - 42 -
( ) 183 124 183 18% 6 6 2.5 茨 溢 () () () 4.5 ( ) 迄 () () () 45 () 迄 () () >5 15 ( 翰 )() ( ) () 167 13% 56 (Appendix ) 56 63 79%71% 7 ( )52 195 190 38% 6 67 ( ) () () 5 6 ( ) 6 () - 43 -
- 44 -
2 6 迄 () ()() ()() >5 ( ) - 45 -
3-46 -
4 6 3 (2003) 5 8 1929 2007 M 4 14 (x) (M) (I) (1) - 47 -
4.4 1.52.2 (1) ((2003) () 0.13-0.64 56 5.5 6 6.0 5>(5 )(e, E ) M (2)(1969) 5 S5 M 5 3.2 (2) 3.1 1 5 5 5 () 45 4.5 35 km M 6.78 45 km M 7.0 (1) 65km20km 4.44.7 45 ( 8 ) 6 42 km30 km 20km 5 9 4 M6.86.97.0 M6.8 8 (3) I I M6.8 139.1 35.5 M6.8M7.0 RMS I I N (3) 3.2 3 ( 4 )()() () 7 67 6 71% - 48 -
5 30km M6.65 35km M6.78 6 7 ( 8 ) 36 km24 km 20km 10 M6.66.7 6.8 M6.6 0.535 (1) 139.15 35.35 M6.7 4.5 15km M6.6 M6.66.8 6 (2005) () 5 (2003) 11 (2003) M6.8M7.0 M6.6M6.8 (1782/8/23)(01:20 )(20:30 ) (1853/3/11)(09:40 ) 6 7 茨 - 49 -
8 1929 2007 M 4 14 9-2 20km, 1 4 M 6.8 0.457 9-1 9-3 M 6.9 0.476-50 -
9-4 M 7.0 0.528 10-2 20km, 3 M 6.6 0.535 10-1 10-3 M 6.7 0.561-51 -
10-4 M 6.8 0.610 11 () (2003) 1787 1853 1993 102 427-436 1993 102341-353 19971782 50 291-302 1992 20041855 1-41 20091854 24 65-82 2003 5639-57 2003 5621-37 ()2005-42 -33 1999 52363-70 2009 1751 2411-119 1969 4168-176 2006 1828 21173-180 1983 1989 1993 1979 1986(1782--23) 39277-287 2005-52 -
Qs 5815-28 1977 6 2 2 (1853 3 11 ) 52333-342 2003 416-2001 芦 1984 (1782--23)37 506-510 1998 1999 2002 2005 2008 2003 ( 16 ) (http://www.bousai.go.jp/jishin/chubou/ nankai/16/sankousiryou2_2.pdf) 2002 () 2002 1 12 769-862 Appendix ( ) 撰 () () ( ) () () 1 : 2 ( ()1941) 2 : (() 1979) 3 : 3 ( ()1983) 4 : ( ()1989) 5 : ( ()1993) 6 : (() 1998) 7 : ( ()1999) 8 : ( ()2002) 9 : ( ()2005) 10 : ( ()2008) 1 : (()1951) 2 : 5 1( ()1987) 3 : ( ()1989) 4 : ( ()1993) 5 : (() 1998) 6 : ( ()1999) 7 : ( ()2002) 8 : ( ()2005) 9 : ( ()2008) - 53 -
1.1 p.53 茨 廻 E 2-52 e 8-121 E 4-548 () E 4-549 2 4.5 3-857 E 4-551 溢 4.5 3-853 1 ()() 5.0 3-856 4.5 3-852 兎 這 4.5 2-50 2 1 2 1 3 7 6 4.5 3-857 S 4-549 4.5 3-854 () 4.5 4-550 廟 廟 4.5 3-853 5.0 4-549 5.0 3-854 4.5 2-50 3 E 5-381 1 E 4-550 - 54 -
5.0 3-857 E 3-857 1.2 1 5.0 3-856 ( ) 5.0 4-547 6.0 2-51 >5 1-555 E 2-51 >5 3-845 E 3-848 6.0 3-852 3-845 3 3 6.0 4-547 迄 10-268 () >5 5-382 >5 5-381 E 3-848 迄 3-843 辻 5.0 2-51 5.0 2-51 5.0 2-51 e 1-557 - 55 -
e 1-557 e 7-962 E 3-862 >5 5-383 6.0 3-861 () 3-855 6.0 3-861 6.0 3-861 E 3-862 2 E 4-551 2 5.0 6-162 E 3-862 5.0 3-855 >5 3-863 S 3-863 E 1-557 迄 4.5 4-551 e 4-551 E 2-51 1.3 5.5 10-268 5.5 6-161 5.5 6-159 5.5 6-158 32% 6.0 6-160 - 56 -
6.0 6-159 5.5 6-159 () 迄 () >5 3-850 () >5 3-851 () 迄 () >5 3-850 >5 3-850 >5 3-850 >5 3-850 >5 3-850 >5 3-850 >5 3-850 >5 3-850 >5 3-850 >5 6-159 樋 迄 >5 3-849 4-552 E 6-162 2 E 1-558 2 E 2-51 S 3-852 E 3-852 5.0 4-553 1.4 e 1-556 S 3-863 e 4-553 () E 3-854 - 57 -
2.1 p.53 茨 茨 e 4-697 2 喰 e 4-697 E 3-933 E 2-206 E 2-206 E 4-697 E 2-207 E 3-933 e 2-207 e 7-254 1 4.5 2-203 溢 4.0 2-192 榊 榊 E 2-205 E 4-703 汲 E 2-205 5 E 8-384 1 E 2-205 8 4.5 4-703 E 2-203 E 3-933 E 3-933 迄 E 8-385 E 2-205 2.2 3 S 4-707 E 2-190 迄 E 8-385 迄 5.0 3-932 4.5 3-931 E 2-190 迄 >5 2-143 迄 5.5 4-710 5.0 2-211 釜 5.0 6-365 - 58 -
>5 2-14 翰 廻 5.0 2-3 >5 2-14 5.0 1-16 13% 5.5 6-385 71% 7.0 6-378 >5 2-14 29% 6.0 2-137 24% 6.0 2-112 52% 6.0 2-50 6.6% 5.5 2-144 32 >6 2-173 >6 2-147 >6 2-213 38% 6.0 2-146 6.0 2-27 5.5 4-699 5.5 1-16 >5 2-14 5.0 2-179 >5 2-14 >5 2-9 厩 5.0 2-3 5.0 2-8 - 59 -
5.0 2-50 5.0 4-701 2.3 5.5 4-700 6.0 4-698 5.0 2-49 6.0 2-49 5.0 4-698 >5 2-3 >5 2-14 5.0 4-700 迄 5.0 4-698 5.0 4-699 翰 >5 1-20 2 薩 牌 牌 5.0 4-702 1 5.0 4-700 5.5 4-699 5.0 4-700 5.0 4-699 5.0 4-699 厩 6.0 2-37 5 牌 牌 >5 2-3 5 5.5 2-14 1 5.0 4-700 1 5.5 2-27 1 9-503 2 6.0 2-256 - 60 -
3 >6 2-49 4 5.0 2-23 2 5.0 2-3 4 >5 2-3 6.0 3-929 9-503 1 5.5 2-11 2 廻 5.5 2-3 3 5.5 4-701 3 5.5 2-213 4 5.0 2-25 2 5.0 4-701 5.0 4-700 1 5.0 2-27 2 5.0 4-702 4 5.5 4-697 >5 2-11 >5 2-16 >5 2-16 >5 1-16 2.4 E 2-207 E 4-707 E 2-210 2 e 2-210 S 2-210 2 迄 E 4-697 e 1-20 E 2-210 e 1-20 e 3-934 - 61 -
2.5 5.5 2-199 E 2-186 竈 竈 E 2-186 >5 2-181 >5 2-184 迄 4.5 2-199 4.0 2-212 4.0 2-212 璙 e 2-200 E 2-201 e 2-200 E 2-212 e 2-215 - 62 -