A massive landslide has covered about 5 1/2 miles of Johns Hopkins Glacier in Glacier Bay National Park in Alaska, park officials say.
The National Parks Traveler Web site said a huge chunk of the slope of 11,750-foot high Lituya Mountain sloughed off June 11 and cascaded into the valley below. It slid down with such force it registered as a small earthquake.
"This thing is huge.
