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Located in the western Pacific Ocean, Japan is home to both dormant and active volcanoes, including Mount Fuji, which last erupted in 1707. Approximately 1,500 to 3,000 seismic occurrences affect the country each year. Most are only minor tremors, but Japan sustains nearly one-fifth of the world's earthquakes. The capital city of Tokyo is situated near the Philippine Sea tectonic plate, and it sits atop the Eurasian plate, and the Pacific plate, which lies beneath the Eurasian plate. Scientists have discovered that a section measuring 60 miles in length and 15 miles in thickness has broken off and lodged between the two plates, sending up periodic tremors to Tokyo. There is a 70 percent chance that a major quake will hit the city sometime in ...

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