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4.02008 07 11 06 00
0
50
100
0 5 10 15 20 25 30
20 (2008 ) (M7.2)
19 (2007 ) (M6.8)
19 (2007 ) (M6.9)
2005 (M7.0)
1945 (M6.8)
1948 (M7.1)
1943 (M7.2)
7 (1995 ) (M7.3)
12 (2000 ) (M7.3)
16 (2004 )(M6.8)
4
2
1
1
140˚ 30' 140˚ 45' 141˚ 00' 141˚ 15'
38˚ 45'
39˚ 00'
39˚ 15'
IWTH25IWTH26
AKTH04IWTH24
IWT010
JMA8A6
IWT011
MYGH02
IWT015
AKTH06
4
2
1
1 1
0 00 10 20 30 40
0 10 20 30 40
0 1 2 3 4 5 6 7
GEONET VERA GPS (JNES)
19 20 GPS GPS
GpsTools ver.0.6.3 (Takasu and Kasai, 2005)
(a) (b)
0 51 2 km3 4
x xx
x
x
30m
1976
1976
2.5 1976
••
East West
•
•
• a(?) 915A.D.
EastWest