
Volcano a Seper, Can Destroy 2 / 3 U.S.
March 11, 2011
Uniten States Geological Survey (USGS), reveal the presence of increased activity at the volcano in Yellowstone National Park. The USGS has recorded an increase in surface area of the largest volcano in the world, about 7.6 centimeters per year in the last 3 years.
"Growth in height is very unusual because it occurred in an area so vast and at very high speeds," said Robert Smith, a professor of geophysics at the...