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Large Earthquake Strikes Hokkaido, Japan


Coffin, MF and Hirata, N, Large Earthquake Strikes Hokkaido, Japan, EOS, Transactions American Geophysical Union, USA, 84, 42, pp. 442-443. (2003) [Newspaper Article]


On 26 September 2003,a magnitude 8.0earthquake,Earth’s most powerful in 2.5 years,struck offshore Tokachi,Hokkaido,Japan,at0450 local time.The hypocenter was at 40 kmdepth along the boundary of the Pacific andNorth American plates ( mechanism shows a reverse fault with anorthwest-southeast compressionalaxis (P-axis)(see the main shock,named "Heisei 15Tokachioki-jishin,"seismic activity has continuedin the region.As of 30 September,the largestaftershock was M7.1 on 26 September at 0608.Tsunamis were observed on the Pacific coastof Hokkaido and the Tohoku region,includingwaves of 1.2 m at Kushiro,1.3 m at Urakawa,and 1.0 m at Hachinohe.

Item Details

Item Type:Newspaper Article
Research Division:Earth Sciences
Research Group:Geology
Research Field:Marine geoscience
Objective Division:Expanding Knowledge
Objective Group:Expanding knowledge
Objective Field:Expanding knowledge in the earth sciences
UTAS Author:Coffin, MF (Professor Mike Coffin)
ID Code:75294
Year Published:2003
Deposited By:Directorate
Deposited On:2012-01-20
Last Modified:2012-01-20

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