South Crillon Glacier
Nearly 60 years after a magnitude 7.7 earthquake struck Lituya Bay, Alaska — leading to a tsunami that devastated the area — six U.S. Geological Survey geologists revisited the isolated region of Alaska, to pick up where their scientific predecessors left off. In this photo, members of the USGS research team pause to take in the view of South Crillon Glacier from a study site along the Fairweather Fault in southeast Alaska.
Uncharted: Exploring one of America's fastest faults
A team of USGS scientists spent 10 days in the wilderness, exploring one of the fastest-moving faults in America.