Scientists have long known that the Pacific Northwest is vulnerable to massive earthquakes, but newly unearthed data raises questions about the strength and frequency of these quakes.
landslides
Posted inScience Updates
Reducing Rockfall Risk in Yosemite National Park
Rockfalls from steep cliffs pose great hazards to the millions who visit Yosemite Valley each year. Armed with new studies, the National Park Service recently took steps to enhance visitors’ safety.