Known as Deep-Ocean Assessment and Reporting of Tsunamis (DART), the system now has 74 buoys around the world. Each floats on the surface while tethered to the seabed, monitoring signals from a ...

earthquakes and tsunamis every several hundred years. Fifty-nine years ago, I began graduate school research at Oregon State University recovering sediment cores from the deep-sea floor off Oregon ...

In total, massive improvements mean there are now around 150 stations in the global network. Deep-ocean Assessment and Reporting of Tsunamis or DART buoys track changes in pressure on the seafloor to ...

Tsunamis are not like regular waves that break in a curling action. They are more similar to fast-moving tides, traveling across the open ocean at speeds of up to 500 miles per hour. In deep water ...