16 2004 12 21
200410236.81995 20041221
1 1 1 1. GPS Sagiya et al. 2000 2.GEONET GEONET 1229 2004 11 GPS 20 25km 15 20km GEONETGps Earth Observation NETwork GPS GPS
GEONET 1999 3. GPS
1997 0.2ppm 2000 GPS 1996 2004 11 6cm 7cm 8.3mm 54km 0.15ppm 4. 16 2004 Mj=6.8 co-seismic 21cm 8cm 27cm 16 2004
1.8m 53 10 23 10 27 Mj=6.111 8 Mj=5.9 10 27 10 27,11 8 6. 16 2004 co-seimic
Sagiya,T., S. Miyazaki and T. Tada, 2000, Continuous GPS array and present-day crustal deformation of Japan. Pur. Appl. Geophysys.. 157, 2302-2322 1997 F1-No.10
1) 1) 1) 1) 1) 1) 1) 1) ) 1) 1) 1) 1) 2) 1 35km 1900-1500300 300 15km 1 1 3 40km 3, 4, 5, 6 2001 4 10m 08-10m/10-20m/ 2004 2 10-4008-10m/13-2 0m/ 15km 7 3 15km 3
2002 1m/ 5, 6 2 1 3 33 DCFF 10km 2km 2.5km 6 1024 27 10262810-15 1027 0.4m 8
9 20cm
4, 5, 9 11
1) 1) 1 200410231756 M JMA 6.8403000 2700 23 M6 35.5225 M5.827 M6.1118 M5.9 1991 20km 15km 1km 2 314 9 24bit, 125Hz433 16bit, 100Hz, 40GPS 1023246 25814 2811 28 3 10231834
M6.55km 4 M6.1 3 10231834M6.5 5km 4 M6.1 3 4 Double-Difference Tomography Zhang and Thurber, 2003 27 M6.1 15km 5 27 6 2004 23 27 15km
Iio et al., 2004) 16800054 9 Hirata, N. and M. Matsu'ura (1987): Maximum likelihood estimation of hypocenter with origin time eliminated using non-linear inverse technique, Phys. Earth Planet. Inter., 47, 50-61. (2002) Iio, Y., T. Sagiya, Y. Kobayashi2004: Origin of the concentrated deformation zone in the Japanese Islands and stress accumulation process of intraplate earthquakesearth Planets Space, 56, 831-842. 520p. Zhang, Z. and C. H. Thurber (2003): Double-difference tomography: the method and its application to the Hayward fault, California, Bull. Seism. Soc. Am., 93, 1875-1889. (10) 2004
24d 18:00 25d 00:00 25d 00:00 26d 00:00 6 ) ( 14 ) (a) (b) 26d 00:00 27d 00:00 27d 00:00 27d 12:00 ( 14 ) ( 14 ) (c) (d) (14 W35N E35S W35N E35S (a) 24d 18:00 25d 00:00 (b) 25d 00:00 26d 00:00 W35N E35S W35N E35S (c) 26d 00:00 27d 00:00 (d) 27d 00:00 27d 12:00 (14(a)d) 31 (1030
25km ()2004115 (A-B K-L)
20022001 Vp (km/s) P 2004115 57 14 43
2004115 27 M6.1
2 1) 2) 2) 3) 4) 5) 1) 2) 3) 4) 5) 1 2004(37.289N,138.870E,13.1 km, Mj6.8; JMA; Mw6.5; F-net)403000 128 1 K-NETKiK-net 2 2004 K-NET 1) KiK-net 2) 58712 20.51.0 510 cm/s 200300km 1000m 310/23 19:45 (Mj5.7)PGA PGV(1999) 3) PGV K-NET Mj5 PGA, PGV 3 4 K-NET (NIG019) K-NET (NIG021) K-NET PGA 1500gal PGV 136cm/s K-NET 6 PGA 1700gal 5 Hz PGV 65.6 cm/s1hz 20cm/s PGA 1772gal1.01.3PGV m 4) 5, 6JMA 1995 (Mj7.3, Mw6.9)2000K-NET 0.6-0.71
K-NET 1 JR 17 PGA, PGV 1g 2003 (Mj7.3, Mw6.6)1Hz 4 K-NET JMA 4.1 JMA K-NET 700 m K-NET 1.51 58K-NET JMA 1Hz 1.0 1Hz 1.5Hz 7-8 Hz K-NET JMA PGAPGV 4.2 H/V9 200gal H/V 3Hz K-NET 3Hz H/V 1.5Hz H/V K-NET JMA H/V 1.5-2 Hz6 Hz 2 K-NET 9 8 Hz 1-2Hz 8 JMA K-NET 1.5 Hz 3Hz 7 Hz K-NET JMA JMA K-NET K-NET 300 gal20 cm/s JMA PGA 5) 0.6Hz 5 50km K- NET KiK-net 1 6) 0.10.6Hz S 1019
Hi-net 37.284N138.8793E13.3km F-net 7) 21152 Hi-net 30 x 18 12 km 10.56 8) 1011 4.5m F-net 5km Hi-net Mo 1.68 x 10**19 Nm (Mw = 6.8) 2.0km/s 6 (1999) 3) K-NET m 1.5 K-NET 700 m JMA 1.5 3Hz 1.5Hz JR 1) Aoi, S., K. Obara, S. Hori, K. Kasahara, and Y. Okada (2000). New strong-motion observation network : KiK-net, EOS Trans. AGU 81, F863. 2) Kinoshita, S., Kyoshin net (k-net) (1998). Seism. Res. Lett., 69, 309-332. 3) (1999). No.523pp.63-70. 4) (1988). 465-71. 5) (1996).. 6) Hartzell, S. H. and T. H. Heaton (1983). Inversion of strong ground motion and teleseismic waveform data for the fault rupture history of the 1979 Imperial Valley, California, earthquake, Bull. Seism. Soc. Am., 73, 1553-1583. 7) F-net, www.fnet.bosai.go.jp/freesia/index-j.html 8) (1984).. 9) (1998)., 10,, 29-34.
NIG016 37 30' NIGH09 37 00' NIG024 K-NET/KiK-net JMA Mainshock Aftershock JMA Ojiya NIG019 JMA Kawaghichi NIG021 NIGH11 NIG022 km FKSH21 FKS026 0 50 138 30' 139 00' 139 30' Sv h = 0.05 average of 1-2 Hz km 0 100 200 40N NS EW UD 38N 36N 34N 136E 138E 140E 142E 136E 138E 140E 142E 136E 138E 140E 142E 40N Sv h = 0.01 average of 5-10 sec NS EW UD 38N 36N 34N 136E 138E 140E 142E 136E 138E 140E 142E 136E 138E 140E 142E
10 3 10 2 2004/10/23 17:56 M = 6.6, H = 9.0 10 2 10 1 10 3 10 2 2004/10/23 19:45 M = 5.5, H = 8.0 10 2 10 1 PGA [cm/s/s] 10 1 PGV [cm/s] 10 0 PGA [cm/s/s] 10 1 PGV [cm/s] 10 0 10 0 10-1 10 0 10-1 10-1 10 0 10 1 10 2 Dist. [km] 10-2 10 0 10 1 10 2 Dist. [km] 10-1 10 0 10 1 10 2 Dist. [km] 10-2 10 0 10 1 10 2 Dist. [km]
Acc. non filter Vel. non filter Vel. low-pass filter (< 1 Hz) 2004 Niigata NIG019 (EW) max = 1308 gal max = 129 cm/s max = 90 cm/s 2004 Niigata JMA Ojiya (EW) max = 897 gal max = 84 cm/s max = 79 cm/s 2004 Niigata NIG021 (NS) max = 1716 gal max = 53 cm/s max = 12 cm/s 1995 Kobe Fukiai (N330E) max = 801 gal max = 127 cm/s max = 139 cm/s 1995 Kobe JMA Kobe (EW) max = 818 gal max = 97 cm/s max = 57 cm/s 1995 Kobe Takatori (NS) max = 605 gal max = 120 cm/s max = 120 cm/s 2000 Tottori TTRH02 (NS) 1000 (gal) 0 max = 924 gal 100 (cm/s) 0 max = 127 cm/s 100 (cm/s) 0 max = 90 cm/s [cm/s/s] [cm/s] 5000 4000 3000 2000 1000 0 600 500 400 300 200 100 0 0 10 20 30 time (sec) 0 1 2 3 4 5 [s] 0 1 2 3 4 5 [s] K-NET (h=0.05) (h=0.05) 0 10 20 30 time (sec) 0 10 20 30 time (sec)
㧚 ᐶ ධㇱ 㔡એ㒠ߩઍ ߥ 㔡 ߩ2)# 2)8 㔡ᐲ㧔 ޔ ᒰ୯㧕 ᦨޕ ฝᰣߦ ߒߚᢙሼߪ ޔ ߩ ࠕ ࡓߩᢙሼߦኻᔕߔࠆ ޕ 㔡ฬ ᣣ 㩿㪡㪪㪫㪀 ὐฬ ᦨᄢടㅦᐲ㩷㪲㪾㪸㫃㪴 ਅ ർධ 㧟ᚑಽ ർධ ᦨᄢㅦᐲ㩷㪲㪺㫄㪆㫊㪴 ਅ 㧟ᚑಽ 㔡ᐲ ᒰ ୯䋷 㔡ᐲ㪍ᒝ 㔡ᐲ䋷 㔡ᐲ ᒰ ୯㪍ᒝ䇮ട ㅦᐲᄢ 㔡ᐲ ᒰ ୯䋷 㜞 ᵄ 䋨 䋩 ථ 㜞 ᵄ 䋨 䋩 ථ 㐳 䋨ૐ ᵄ䋩 ථ 㪢㪄㪥㪜㪫ዊජ 㩿㪥㪠㪞㪇㪈㪐㪀 㪡㪤㪘ዊජ ᣂẟ ਛ 㪉㪇㪇㪋㪆㪈㪇㪆 㪡㪤㪘Ꮉญ 㔡 㪉㪊㪃㩷㪈㪎㪑㪌㪍 㪢㪄㪥㪜㪫චᣣ 㩷㩿㪥㪠㪞㪇㪉㪈㪀 㪈㪈㪋㪋 㪈㪊㪇㪏 㪏㪉㪇 㪐㪎㪅㪌 㪈㪉㪏㪅㪎 㪊㪐 㪎㪎㪐 㪈㪈㪋㪈㪅㪐 㪏㪐㪎 㪈㪍㪎㪌㪅㪏 㪎㪊㪇 㪏㪍㪐㪅㪍 㪍㪌㪅㪍 㪥㪘 㪏㪋㪅㪈 㪥㪘 㪉㪏㪅㪈 㪥㪘 㪥㪘 㪈㪎㪈㪍 㪏㪋㪐 㪌㪍㪋 㪌㪊㪅㪈 㪌㪇 㪈㪊㪅㪍 㠽ข 㪉㪇㪇㪇㪆㪈㪇㪆 㪢㫀㪢㪄㫅㪼㫋ᣣ㊁ ㇱ 㔡 㪇㪍㪃㩷㪈㪊㪑㪊㪇 㩿㪫㪫㪩㪟㪇㪉㪀 㪐㪉㪊㪅㪐 㪎㪌㪌㪅㪐 㪎㪎㪌㪅㪐 㪈㪉㪎㪅㪈 㪏㪊㪅㪊 㪌㪍 㪎㪉㪐㪅㪍 㪎㪉㪊㪅㪈 㪈㪉㪏㪇 㪊㪈㪅㪋 㪊㪈㪅㪏 㪈㪎 㪏㪏㪎㪅㪐 㪌㪌㪌㪅㪏 㪍㪊㪍㪅㪍 㪈㪎㪅㪉 㪈㪉 㪐㪅㪋㪎 㪏㪍㪅㪎 㪎㪉㪅㪐 㪊㪊 㪊㪈㪅㪋 㪊㪏㪅㪐 㪈㪍 㪏㪇㪐㪅㪌 㪐㪍㪐㪅㪏 㪋㪍㪈㪅㪉 㪋㪊㪅㪌 㪋㪍㪅㪎 㪉㪋㪅㪊 㽸 㪍㪈㪎㪅㪊 㪏㪈㪏 㪊㪊㪉㪅㪉 㪏㪇㪅㪊 㪐㪍㪅㪌 㪋㪉㪅㪐 㽹 㪍㪏㪏 㩿㪥㪉㪋㪇㪜㪀 㪏㪇㪇㪅㪎 㩿㪥㪊㪊㪇㪜㪀 㪥㪘 㪌㪐㪅㪍 㪈㪉㪍㪅㪐 㪥㪘 㪢㫀㪢㪄㫅㪼㫋 ศ 㩿㪠㪮㪫㪟㪇㪋㪀 ችၔ ᴒ 㪉㪇㪇㪊㪆㪇㪌㪆 㔡 㪉㪍㪃㪈㪏㪑㪉㪋 㪢㫀㪢㪄㫅㪼㫋㒽೨ 㜞 㩿㪠㪮㪫㪟㪉㪎㪀 㪢㪄㪥㪜㪫 ዊ චൎᴒ 㪉㪇㪇㪊㪆㪇㪐㪆 㩿㪟㪢㪛㪈㪉㪐㪀 㔡 㪉㪍㪃㩷㪇㪋㪑㪌㪇 㪢㪄㪥㪜㪫ᐢየ 㩿㪟㪢㪛㪈㪇㪇㪀 ᚭᶏᵗ บ㩿㪡㪤㪘㪀 ᐶ ධ 㪈㪐㪐㪌㪆㪇㪈㪆 ㇱ 㔡 㪈㪎㪃㪇㪌㪑㪋㪍 㩷㩷㩷㩷 ว 䋨ᄢ㒋䉧䉴䋩 Ojiya K-NET/JMA 10 2 # 10 2 10 1 NIG019 10 2 E-W N-S ਅ 䈭 䈚䋮㪉ᚑಽ วᚑ䋮 㽲 㽲㵭 㽳 㽴 㽵 㽶 㽷 㽺 Before main shock Main shock Aftershock 10 2 N-S E-W 10 1 10 0 10 1 H/V Ratio Ratio 10 1 10 0 10 0 10-1 10 0 10-1 10-1 -1 10 10-2 10 0 Hz 10 1 10-2 10 0 Hz 10 0 $ 10 1 Hz 10 1 Ratio 10 1 10 1 10 0 Hz 10 1 E-W 10 1 10 1 10 0 10 0 H/V Aftershock Average of aftershocks Main shock Microtremor Hz 10 2 N-S U-D 10 0 JMA Ojiya 10 2 10 2 10-1 -1 10 10 0 10-1 10-1 -1 10 10-2 10 0 Hz 10 0 Hz 101 10-1 -1 10 10 1 㧚- 0'6ዊජ ߣ,/#ዊජ ߩ ࡍ - 0'6,/#㧕 ࡍ ޕ ߩ ߪ ޔ 㤥ߩᄥታ ߇ᧄ㔡 ޔ Ἧ ߩ ታ ߪ2)#߇ ICNએਅߩዊ ߐߥ 㔡㧔Ἧ ߩᄥታ ߪߘߩᐔဋ㧕ࠍ ߔ ޕ 㤥ߩ ᄥ ߪ ޔ ᓸ ߩฦ ὐߩ* 8ߩ ࠍ ߒ ߡ ࠆ ޕ 㧚 # - 0'6ዊජ ߣ $,/#ዊජ ߦ߅ߌࠆ * 8㧔 ᐔ ߣ ਅ ߩ ࡍ 㧕 ޕ 㤥ታ ߪᧄ㔡એ೨ߦ ߈ߚߩዊߐߥ 㔡㧔2)#߇ ICN એਅ㧕 ޔ 㤥ߩὐ ߇ᧄ㔡 ޔ Ἧ ߩታ ߪᧄ㔡ᓟ ᣣ㑆ߦ ߈ߚዊߐߥ 㔡ࠍᗧ ߔࠆ ޕ 25
0 EW NS Obs. Syn. UD 0.106 0.107 m/s 0.069 NIGH11 [km] 10 5m NIGH09 0.047 0.048 0.018 18 0 10 20 30 [km] Maximum Slip 4.58 (m) FKSH21 0.029 0.017 0.020 0 1 2 3 4 5 Slip (m) FKS026 NIG024 0.030 0.031 0.019 0.038 0.017 0.016 0.078 0.063 0.022 NIG022 NIG016 0.015 0.020 0.012 0 5 [s] 10 0 5 [s] 10 0 5 [s] 10
1) 2) 2) 3) 1 20041023 1 K-NETKiK-net K-NET K-NETKiK-net 2 1 K-NET 2JMA K-NET K-NET 3 1) 2) 3) 122 14200m 3 200m URL1) JMA 1 200m 17022 3, 4 561 K-NET 7
8 200m 1209 200m 10, 11 1211 1314014 15200m 120 161117 18 1 K-NET 19 200m 50 20 K-NET 21200m 170 22 K-NET 2324200m 5025 26 K-NET 27200m 24028 JMA 29200m 12030 KiK-net 31200m 14032 33200m 20034 35361 37200m 230 2316%73% 20%38, 3920%30% 2) 71 1 40 4 2 K-NETKiK-netJMA 5%220.5 K-NET 0.5 61995 JR
2 3) 1995 0.5 3) 2 2 3) 5 200m 0.5 K-NETKiK-net 1995 JR JR JMA URL 1),,,,, http://www.kz.tsukuba.ac.jp/ ~sakai/ngc.htm2004.10. 2),, 1995, 2, 52, 11-24, 1999. 3),,,, 585, 71-76, 2004.
seismic intensity 6.0 5.5 5.0 4.5 13 12 KNET JMA 8 7 15 11 10 Station PGV 50 40 30 20 13 12 KNET JMA 8 7 15 11 10 Station PGA 600 500 400 300 200 100 13 12 KNET JMA 8 7 15 11 10 Station 10/27 10:40 M6.1 10 2 SV (cm/s) 10 1 7 8 10 11 12 13 knet jma h=5% 0.1 1 10 Period (s)
3000 0 Phase velocity (m/s) 2000 1000 INV OBS OJIYA 0 0.1 1 10 Period (s) DEPTH (m) 2000 4000 6000 OJIYA 8000 0 2000 4000 Vs (m/s)
3
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23 26.0 10.1 5.9 9.9 46.2 (m) 3.2 2389 232200m3100m 2600m 7m 7m 19m 19m 24.5 4.1 15.5 4.8 44.1 (m) 4.5 13.6 12.3 12.0 5.3 11.0 16.3 (m) 72.8
4 A B C E D ZENRIN Datacom 4.1 4 5m1m
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124m10m 2 4m 4 30km 1964 1) 2) 3) 4) 5 () 6 1) 1991. 2) 1981. 3) www.aeroasahi.co.jp 4) 2004112http://soil.iis.utokyo.ac.jp /index-j.htm 5) 16pp.131-135 2004 6) ()1620042004.
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2 10 25 17 10 11 2 1 11 23 86 6 1) 15 31 14 6,000 23 5 100mm 10 5 2) 3) 17 117 4) 17 1) 2004.11.22 2) 16 Vol.46 No.12 2004.12 11 29 11 29 (km) ( ) ( ) 377.2 22 153 13 2 63 7 6 65 78 78 (10/23) 24 (10/24) 0 0 0 294.7 15 99 82.5 4 24 4 0 81 % 24(10%) 8(3%) 209(87%) 85 241 3 (10/26) 7 (10/30) 171.0 6 112 206.2 12 46 80.2 1 110 262.0 19 78 14 (11/6) 1 (11/23) 0 0 105 262.0 20 113 0 0 86 262.0 21 - IC
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7 13 14 JR 3 JR JR 3 JR 2 1) 16 2004.11 2) 16 Vol.46No.12pp.10-152004.12. 3), 2004 11 26, 2004.11. 4) 16 2004,, No219 5) Norihisa MatsumotoNario Yasuda. and Minori ShigaThe Western Nagano Prefecture Earthquake, 1984 and Dams, Public Works Research Institute, Ministry of Construction, May 1985. 6) 15 8.pp.56-68 2004.3. 7),, No.184, pp32 42, 2002.1.
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10,780 1,503 4,491 561 63 194 118 65 69 1 2 3. 3 3 20km 3.1 27m, 193 2000 58 l /min, 2.4 l/min (23 18 ) 88.0, 2.4 2 125.9 3.7 24 09 121.7 3.0 25 12 121.7 3.0 28 09 109.8 1.9 60 l/min 101mm 7cm 1 5cm 2 3
1 3.2 2 7 cm 21m, 216 1997 24.2 l/min, 0 l /min (23 18 ) 21.7 0 2 31.0 0 24 09 25 12 32.5 0 28 09 28.1 0 30 09 25.5 0 35 l/min 60154 mm 5, 3 4 7 3.3 43 m, 1,118 1978 31276mm 120mm 5 30
3 4 7 cm 4 (10.23.17.56) 3 X 58%74% ( 5.7) 5.6) ( 6.0)) X= 558 gal Y= 444 Z= 406, 435 546 254, 582, 518, 430 5 6 241.640 14.000 6.000 14.000 17.000 6.000 51.800 54.400 12.540 8.000 15.400 3.000 37.50 6.000 EL.219.00 EL217.7 HWS.EL.215.70 FWS.EL.214. 0 20 EL.212.00 2.000(EL.215.0 EL.210.00 0) 500500100 EL.195.0 0 DWS.EL.192.00 1:3.70 1:3.70 13.20 1.000 RD Ms Cg 13.20 12.2 1.000 12.2 10.15 10.15 1:0.15 1:0.15 1:0.19 1:0.19 1:2.0 1:2.0 3.000(EL.190.0 0) 1:2. 5 1:2. 5 5.000 54.000 EL.195.00 EL.175.00 RD Ms @1200 D.E 10 H.00 Ms Tb Ms Cg Ms Cg A1200 @1200 A.B C 600 1:2.7 1:2.7 Ms 8.000 20.000 15.000 43.000 220 210 200 190 180 170 160 4
500gal 5~18 (2004.10.23, 17;56 ) (Gal) 600 400 200 0-200 -400-600 Ch.01 5 10 15 20 25 30 35 5 6 (Gal) 600 400 200-400 -600 Ch.02 0-200 5 10 15 20 25 30 35 7 Y 8 Y (Gal) 600 400 200 0-200 -400-600 Ch.03 5 10 15 20 25 30 35 9 10 Z Z (Gal) 600 400 200 0-200 -400-600 Ch.04 5 10 15 20 25 30 35 11 12 X X
(Gal) 600 400 200 0-200 -400-600 Ch.05 5 10 15 20 25 30 35 13 14 Y Y (Gal) 600 400 200 0-200 -400-600 Ch.06 5 10 15 20 25 30 35 15 16 Z Y (Gal) 600 Ch.07 600 Ch.08 400 400 200 200 0 0-200 5 10 15 20 25 30 35-200 5 10 15 20 25 30 35-400 -400-600 -600 (Gal) (Gal) Ch.09 600 400 200 0-200 5 10 15 20 25 30 35 17 X,Y,Z -400-600 18 X,Y,Z 4. 16 11 56 1) 2004 11 26,2004.11
6 1) 2) 16 EXJ
RC JR 1 (1) RC3F1967 RC RC3F1975) 1 (2) RC4F1986 RC RC4F1979 EXP.J.RC4F1986 )2143 21 1341 V 1 2 1
1975RC2F 1971RC3F RC 2.4 (1) RC4F1974RC4F 1972 RC 212) RC3F K 20002002 EXP.J. (2) RC3F,1966) RC (RC3F,1966,K ) (RC3F,1970) (RC3F,1982) (RC3F,1984) K
RC3F1980 RC3 RC L 26cm 165cm 0.022rad 60mm PC 35075mm130mm 2.3mm 20cm RC31971
EXP.J. EXP.J. 30cm 30cm 37cm 0.03rad B3 200410 32 1 RC3F1969 A
(1) RC3 1968 RC7F RC 3 (2) RC6F 1972 L (1) A RC3F
(2)(RC4F1972) 117 117 117 RC ALC (2)() 34 11 3003009 PL-40040016
4M16RC 500mm500mm600mm 4D16 D10@100RC 90400mm 4RC (2) (3) (4) (5) (6) (7) (8) RC (8)ALC 1 1 2004102320041212
1) 2) 1) 2) 1 161023556 M6.8 13km 2 71995 JR 2km 1307.9gal K-NET 1km 1 1 446-1,2,4 151 1,156.21 4,447.92 19.29m 23.19m 1 GL4.16m 18 21TASS 3 91997530 3.1 151.1.2 X 7m 5Y 5.7m 6 3.5m 51 C B 0.12 300cm30N/m 2 /cm GL2.5m N 50
3 2 2 3.2 2 600700 18 G45N/cm 2 400650 21 0.12 1.2Tc0.25 24.534 4 3 4 568 2 31461 25%
1.5 9NS 2 EW 1.20.1 0.2 2 PS V (cm/ s) 10 2 h=0.05 10 1 10 1 10 0 10 1 period (s) 1461 5 gal NS 740.4 198.0 0.27 EW 807.7 205.2 0.25 UD 487.2 749.4 1.54 acc. (gal) 1000 500 0 500 max=740.4gal 1000 0 10 20 30 40 50 time (s) acc. (gal) 1000 500 0 500 max=807.7gal 1000 0 10 20 30 40 50 time (s) acc. (gal) 1000 500 0 500 max=487.2gal 1000 0 10 20 30 40 50 time (s) acc. (gal) 1000 500 500 6 NS 7 EW 8 UD 0 max=198.0gal 1000 0 10 20 30 40 50 time (s) acc. (gal) 1000 500 0 500 max=205.2gal 1000 0 10 20 30 40 50 time (s) acc. (gal) 1000 500 0 500 max=749.4gal 1000 0 10 20 30 40 50 time (s) Fourier Spectrum (gal*sec) 400 300 200 100 0 10 2 10 1 10 0 10 1 period (s) Fourier Spectrum (gal*sec) 400 300 200 100 0 10 2 10 1 10 0 10 1 period (s) Fourier Spectrum (gal*sec) 400 300 200 100 0 10 2 10 1 10 0 10 1 period (s) 9
5 5.1 1056 NSEW XY 20 3 4800 RF 5F 1500 4000 3500 3500 3500 4F 3F 2F 1F (gal) (gal) NS 740.4 198.0 EW 807.7 205.2 X(N70E) 823.6 194.3 Y(N20W) 670.5 223.0 10 5.2 111211 1314 XY 6 6 6 6 5 X(N70E) 5 5 Y (N20W) 5 4 4 4 4 3 3 3 3 2 2 2 2 1 0 0 200 400 600 800 1000 (gal) 1 X (N70E) 0 0.0E+00 2.0E-04 4.0E-04 6.0E-04 8.0E-04 (rad) 1 0 0 200 400 600 800 1000 (gal) 1 Y (N20W) 0 0.0E+00 2.0E-04 4.0E-04 6.0E-04 8.0E-04 (rad) 11 X 12 Y disp. (c m) disp. (c m) 20 10 0 10 20 20 10 0 10 20 ( max. 11.3cm 0 20 40 60 80 time (s) ( max. 11.6cm 0 20 40 60 80 time (s) disp. (c m) disp. (c m) 0 20 40 60 80 time (s) 13 X 14 Y 20 10 0 10 20 20 10 0 10 20 ( ( max. 22.6cm max. 19.0cm 0 20 40 60 80 time (s)
5.3 X 146.0gal194.3galY 160.4gal223.0gal X 11.3cm11.6cmY 22.6cm 19.0cm X 1/48653Y 1/15423 6 15cm (a) (b) (c) (f) 3 (e) 2 1 (f) 2 5
(a) 14cm (b) 3 (c) 3cm (a) (b) 4 (c) 7 6 8
7 (1) 1) 1) () 1 16102317:56( M6.8) 28123 1,382 JR 2 281023234810281755 111313 (1)434,200kW 3 1 2
C A B S K Y () 102317:56 M 6.8, d=13km 10km KSY A(66kV)B(66kV)C(154kV) (
3.1 (KSY) 22 K Y 3.2 C A B () 102317:56 M 6.8, d=13km km 3 A (66kV)B (66kV)C (154kV) ()
(2) (1) (1) A (2) B (3) B (3) 1 3.3
(1) (2) (1) 154 kv (2) 66 kv (3) (3) 2 3.4 (1) (2) (1) (2) (3) (3) 3
4. 4.1 2,200 10434 4.2 24 1 5 (1) (2) 196 65 115 29 24 150 0 35 15 2 6 2,100 70 1,050 24 3 9 154 34 39 5.1 5.2 6. 1)2002()
1) 2) 1) e-mail:t-iwamot@kubota.co.jp 2) e-mail:t-tosima@kubota.co.jp 16 10 23 35 13 11 35 13 1 11 30 650 1485 10 24 12 368 2900
20 100% ()() 16 12 8 4 () () () 80% 60% 40% 20% 0 0% 10/23 11/1 11/10 11/20 11/30 23 3 24 6 1
1 0.266 /km 0.311 /km 1.61 /km 0.72 /km 1) (km) (/km) 288 1,084 0.266 102 329 0.311 16 11 30 16 11 15 20km 2 75 R352 R17 R8 R404 R17 (75)
2 2 3 300 21 300 8090cm 150 3 100,150 1)1995 1996 5
1) 2) 1) 2) 1 26 1,400 2 26 1,400 1) 1117 1 1,453 5,889 1.5m cm TV 1993 26 436 400 4 1 1 1) 5,889 3,148 400 348 268 76 415 604 174 136 1,453 691 11 17 1
1 3 3.1 2 A B 12 1 1m 21.5m A 3 (S) (H) A B P 2 (2) (1/25,000) 1 (2 A) 1m 2 (2 B)
106cm cm 40cm 20~30cm 8 10 31 3 3 2 2) T9 T8 2 2 P 3 4 GL-3.7m 1993 4 2003 5 4 2 P 3)
3.2 1 3 cm 5 174 10~20cm 4 17 m 3 4 11202 1 5 (1/25,000 ) 5 19931993 19942003 6 5) 4
4 (1) (2) (3) (4) 6 3 6 1) 2004,11. 2) 51 1986. 3) 1981. 4) 1993 1993pp.277-3141994.6. 5) 20032003 pp.111-120, 2004.5.
1) 1) 1 20041023556 1) 12 89:002,7287017018,701 81,99933,608103,178 1995 2 2) 2.1 3) 361832 (UH-1)215 16 4 5 4) 2324110 2,00020302483010 8411113:001,770 3)
3) 2.2 (1) 19956 5) 200012 6) 20036 6) 200442,82135,000 6) (2) 7) 14181029 182524 1920 1111410 4802,121 2003557 8) 2325 257 23 24 10/23-24 10/25 10/26 10/27 10/28 10/29 10/30 10/31 11/1 207 188 98 125 109 127 107 57 57 880 820 445 494 443 476 385 196 194
350(8%) 265(6%) 28(1%) 3,690(85%) 10/23-24 10/25 10/26 10/27 10/28 10/29 67 190 2 13 10 0 282 18 * 105 * 6 27 4 6 43 * 2), 9) 2.3 41800 10 2115 25 26 3130 123 1,421102535/ 25
3 3.1 17561920 215 24 1911 3.2 5,7001,6009170 25 27 111
4 1) 4.1 1,00010288:00 293398103 40 24 * * ** ** 40 0 2,989 2,710 9,184 79,888 2,458,455 816,997 6 0 615 825 4,155 32,946 192,322 67,821 12 0 58 674 662 974 10,000 41,296 12,383 6 0 2 502 81 591 11,000 42,773 13,355 4 0 4 48 570 431 359 5,697 1,596 * 20041269:0077 ** 200410( 4.2 1,200 4.3 16010231031600 14 20 120,000 900 100,000 750 80,000 60,000 40,000 600 450 300 20,000 150 0 0 0 5 10 15 20 25 30
54,000 45,000 36,000 11/4 150 125 100 30,000 25,000 20,000 150 125 100 27,000 18,000 9,000 10/27 10:40 M6.1 75 50 25 15,000 10,000 5,000 11/8 75 50 25 48,000 40,000 32,000 24,000 16,000 0 0 0 5 10 15 20 25 30 8,000 0 0 0 5 10 15 20 25 30 10/31 11/4 0 0 0 5 10 15 20 25 30 96 80 64 48 32 16 6,000 5,000 4,000 3,000 2,000 11/8 11/16 1,000 12 0 0 0 5 10 15 20 25 30 72 60 48 36 24 5 25 12888 1031 11) 6
GIS 12) 1) HP 2) HP 3) HP 4) 15 2003.8. 5) 7 1995.12 6) (http://www.fdma.go.jp/neuter/topics/fieldlist5_5.html) 7) HP 8) 1620042004.11. (http://www.fri.go.jp/bosai/2004_niigata_chuetsu/no4/no4_kasai_chousa.pdf) 9) 10) 11) 200411 12) (http://chuetsu-gis.nagaoka-id.ac.jp/)