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One In Four Earthquakes Worldwide Come From Deep Within Earth
2013-12-12 08:16:04

April Flowers for redOrbit.com - Your Universe Online The long standing mystery of what drives a particular type of earthquake that occurs deep within the Earth and accounts for one in four quakes worldwide might have been solved by a team led by Stanford researchers. Their findings are published in an upcoming issue of Geophysical Research Letters. Originating farther inside the planet than shallow earthquakes, these temblors are known as intermediate-depth earthquakes. Shallow...


Word of the Day
humgruffin
  • A terrible or repulsive person.
Regarding the etymology of 'humgruffin,' the OED says (rather unhelpfully) that it's a 'made-up word.' We might guess that 'hum' comes from 'humbug' or possibly 'hum' meaning 'a disagreeable smell,' while 'gruffin' could be a combination of 'gruff' and 'griffin.'