What triggered a Martian landslide? Landslides are common features in canyons on both Earth and Mars, and they happen the same way.

April 01, 2012

What triggered a Martian landslide?

Landslides are common features in canyons on both Earth and Mars, and they happen the same way. Erosion undermines a canyon wall until abruptly millions of tons of rock come crashing down. In the case seen here, the impact of a meteorite landing near the edge of the canyon may have done more than just blast a crater 6.5 kilometers (4 miles) wide. The impact may also have triggered the massive landslide, either at the time of impact or shortly after.

Credit

NASA/JPL-Caltech/University of Arizona/HI-RISE

ENLARGE

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