Scientists reconstruct formation of the southern Appalachians

Around 300 million years ago, the landmass that is now North America collided with Gondwana, a supercontinent comprised of present-day Africa and South America. That clash of continents lifted tons of rock high above the ...

Seismologists puzzle over largest deep earthquake ever recorded

A magnitude 8.3 earthquake that struck deep beneath the Sea of Okhotsk on May 24, 2013, has left seismologists struggling to explain how it happened. At a depth of about 609 kilometers (378 miles), the intense pressure on ...

Scientists develop new approach to mine disasters

(PhysOrg.com) -- University of Utah scientists devised a new way to find miners trapped by cave-ins. The method involves installing iron plates and sledgehammers at regular intervals inside mines, and sensitive listening ...

Separating mining explosions from earthquakes in South Korea

South Korea is a relatively quiet country, seismically speaking, but a recent study identified more than 182,000 small seismic events—135,000 of which were related to mining explosions, according to a presentation at the ...

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