When the Cascadia Subduction Zone finally ruptures, the shaking will start beneath the ocean floor, roughly 50 to 80 miles ...
On the surface, Antarctica’s vast ice sheet appears still and unchanging. The U.S. Geological Survey (USGS), collaborating ...
Compared with our own planet Earth, Mars might seem like a “dead” planet, but even there, the wind blows and the ground moves. On Earth, we study the ambient seismic noise rippling mainly due to ocean ...
Seismometers — equipment designed to pinpoint earthquakes — are now being used to track the thousands of pieces of human-made objects abandoned in Earth’s orbit. Some of those items pose a risk to ...