New evidence for frequent large tsunamis at a remote island near Dutch Harbor, Alaska provides geological data to aid tsunami hazard preparedness efforts around the Pacific Rim. Recent fieldwork in Alaska’s Aleutian Islands suggests that a presently “creeping” section of the Aleutian Subduction Zone fault could potentially generate an earthquake great enough to send a […]
A headline in the print edition of the San Francisco Chronicle catches the eye of a visiting Alaskan: Wolves feed on calf. In a Dec. 20, 2015 story, Chronicle reporter John King reported that wolves were likely responsible for killing and eating a young beef cow from a rancher’s herd in northern California. It is […]
COLUMBUS, Ohio – A songbird species that flourishes on the salmon-rich side of dams in the western United States struggles when it tries to nest on the side closed off from the fish and the nutrients they leave behind. But the songbird and the rest of the divided ecosystem rebounds, faster than some experts expected, […]
Among the most feared events in space physics are solar eruptions, massive explosions that hurl millions of tons of plasma gas and radiation into space. These outbursts can be deadly: if the first moon-landing mission had encountered one, the intense radiation could have been fatal to the astronauts. And when eruptions reach the magnetic field […]