Websites Related to Earth Science
Geographical Survey Institute (GSI)
The Japanese islands are being deformed continuously by plate movement. GPS observations detect crustal movement in detail. The Geographical Survey Institute (GSI) provides data on crustal movement in Japan on their website: Crustal Movement in Japan on the Geographical Survey Institute (GSI) site.
Institute, University of Tokyo (Click an icon "English")
The Headquarters for Earthquake Research Promotion
National Research Institute for Earth Science and Disaster Prevention (Click an icon "English")
These sites provide data and explanations of Japanese earthquakes. Earthquake Research Institute, University of Tokyo also explains volcanic activities in Japan.
Websites available in English related to "2011 M 9.0 earthquake - northeast Japan (Tohoku and Kanto) earthquake disaster"
The following websites include data and links to other websites relevant to the earthquake.