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For months in early 1980, scientists, journalists and ordinary people listened anxiously to rumblings in the long quiescent volcano Mount St. Helens. Still, when a ...
For centuries, volcanic eruptions have captured our imaginations. Whether as signposts to an underworld, beacons to ancient mariners, or as an extraordinary manifestation of the ...
By developing the scale that bears his name, Charles Richter not only invented the concept of magnitude as a measure of earthquake size, he turned ...
Earth has been witness to mammoths and dinosaurs, global ice ages, continents colliding or splitting apart, and comets and asteroids crashing catastrophically to the surface ...
