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Japan 2004
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AIJ
Earthquake
Japan 2004
Niigata-ken Chuetsu
Study
AIJ
Survey Location
Ojiya City
location point (lat long)
37.31 138.8
lat long accuracy
distance from epicentre (km)
9
usgs pga
21.4339
usgs pgv
49.5634
usgs mmi
8.12
usgs sdpga
1
usgs svel
555
intensity usgs (0=n/a)
Image Gallery
Damage Matrix
Percent Matrix
Building Classes
Damage Level Percentages of Total Damaged
D0
D1+D2
D3
D4
D5+D6
Total
W
50
39.0974084003575
4.20017873100983
4.60232350312779
2.10008936550491
100
RC
50
44.3181818181818
3.40909090909091
2.27272727272727
0
100
S
61.968085106383
32.9787234042553
2.92553191489362
2.12765957446809
0
100
Building Classes
Damage Level
D0
D1+D2
D3
D4
D5+D6
Total
W
1119
875
94
103
47
2238
RC
88
78
6
4
0
176
S
233
124
11
8
0
376
Total
1440
1077
111
115
47
2790
Damage Index by Okada and Takai
Map Overlays
Study locations
Study Locations
Kawaguchi Town
Ojiya City
Old Horinouchi Town
Old Kashiwazaki City
Old Kawanishi Town
Old Koshiji Town
Old Nagaoka City
Old Oguni Town
Old Tookamachi City
Tochio City