To Probe Further: Tokyo

Where to find out more about planning and preparing for disasters

On the Japan Meteorological Agency’s Web site, you can see a plot of Japanese earthquakes that have occurred there during the past week: http://www.seisvol.kishou.go.jp/eq/weekly_map/japan/weekly.shtml.

For a more global view, see the U.S. Geological Survey’s weekly worldwide map of earthquakes. It shows disturbances with magnitudes of 4.0 or greater (or 2.5 or greater within the United States and adjacent areas): http://earthquake.usgs.gov/eqcenter/recenteqsww.

The NIED Web site, http://www.bosai.go.jp/e, includes video clips of shake-table tests on wooden buildings and other structures.

A searchable map showing the probabilities of seismic events occurring in Japan in the next 30 years is available at http://www.j-shis.bosai.go.jp/j-shis/index_en.html.

Team Tokyo, a collaboration of U.S. and Japanese researchers backed by the reinsurance company Swiss Re, has been studying the likelihood of a large earthquake hitting the greater Tokyo area. See its Web site at http://sicarius.wr.usgs.gov/tokyo.

To see all of Spectrum 's special report on The Megacity, including online extras and audio and video exclusives, go to http://spectrum.ieee.org/moremegacity.

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