Yosemite National Park Remains Open As Rim Fire Continues In Burn On Park's Western Edge
(Photo : Justin Sullivan/Getty Images)

Rising temperatures increase the danger of cliffs cracking and loose rocks toppling down below. Rockfalls, the fastest type of landslide and characterized by newly detached rock fallind rapidly down a steep slope, can be caused by a number of different factors.

According to a report from Mercury News, heat also plays a huge role in the phenomenon of rockfalls. In a new study of domes and cliffs in Sierra Nevada, researchers discovered that cooler times bring less risk of toppling rocks endangering lives of people and wildlife.

Menlo Park-based U.S. Geological Survey scientist Brian Collins explained and U.S. Park Service geologist Greg Stock analyzed the patterns of 228 previous rockfalls in Yosemite with unknown causes. The…