Free Tool Helps Teachers, Students Understand The Earth An enormous earthquake, the most powerful ever recorded, rocked southern Chile on May 22, 1960 and created a tsunami that raced across the Pacfic Ocean. As giant waves rippled outward, they sped along the shore and bounced back and forth off islands, battering Chile with […]
Image: The terminus of LeConte Glacier lies in an ocean bay about 25 miles east of Petersburg in Southeast Alaska. Photo by Roman Motyka LeConte Glacier near Petersburg is the farthest-south glacier that spills into the sea on this side of the equator. Where that ice tongue dips into salty water, scientists recently measured […]
Image: A crewmember aboard Coast Guard Cutter Healy handles a line in preparation to get underway from their pier in Seattle on July 22. (U.S. Coast Guard photo by Petty Officer 2nd Class Steve Strohmaier) SEATTLE — Coast Guard Cutter Healy (WAGB-20) departed for a months-long deployment to the Arctic Ocean on Monday. The cutter will […]
Adult sockeye salmon returning to spawn in the lakes of Bristol Bay, Alaska.Jason Ching/University of Washington An ample buffet of freshwater food, brought on by climate change, is altering the life history of one of the world’s most important salmon species. Sockeye salmon in Alaska’s Bristol Bay region are skipping an entire year […]