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Calgary Herald on MSN4d
How does a rockslide happen? 'The mountain that moves' was Canada's deadliestThe Canadian Encyclopedia notes a rockslide can move up to 100 km/hr.
The worst rockslide worldwide was the Haiyuan Landslides of 1920 in China, when more than 200,000 people were killed. An earthquake caused those landslides. Article content ...
Haiyuan County, China (1920) - This earthquake struck on December 16, 1920, in China's Ningxia Province, with a magnitude of between 7.8 and 8.5 on the Richter scale. According to reports, between 200 ...
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