This is a fissure at Mammoth Lakes in Yosemite National Park. It is part of an earthquake fault system. In 1980, a major quake rocked that area.With the two major earthquakes that shook Southern California last week, some people are wondering about rock slides in Yosemite National Park.
Park officials said no major rock slides have been reported since the quakes. Both quakes happened near Ridgecrest, which is about 150 miles east of Los Angeles. One was a 6.4 magnitude and the other, which happe...
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