Research helps paint finer picture of massive 1700 earthquake

(Phys.org) —In 1700, a massive earthquake struck the west coast of North America. Though it was powerful enough to cause a tsunami as far as Japan, a lack of local documentation has made studying this historic event challenging.

Big quakes no more likely than in past: study

Massive earthquakes are no more likely today than they were a century ago, despite an apparent rise of the devastating temblors in recent years, US researchers said on Monday.

Japan firm unveils robot suit for nuclear workers

The Japanese maker of an exoskeleton robot suit to assist walking on Monday unveiled a model that could help nuclear workers weighed down by heavy anti-radiation vests in contaminated zones.

China says planning more dams on troubled Yangtze

China will build at least 20 more reservoirs or hydroelectric projects in the Yangtze river system by 2020, the government said Tuesday, despite growing concerns over dam construction there.

Fukushima clean-up reduces radiation levels, but not all

Clean-up efforts at Japan's Fukushima nuclear plant, destroyed by a massive earthquake and tsunami in 2011, have significantly reduced radiation levels but untreated forested areas remain a problem, scientists said Thursday.

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