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125 Years of Science for America - 1879 to 2004
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    February 05, 2005

Welcome to the U.S. Geological Survey

Federal source for science about the Earth, its natural and
living resources, natural hazards, and the environment.

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  Science Features

Image of Mt. St. Helens.Mount St. Helens Wakes Up:

Mount St. Helens, the most active volcano in the continental United States, is on alert for a strong eruption--currently at level 2, or aviation color code orange. Over the past two weeks, the volcano has awakened from a long slumber, spewing several spectacular bursts of steam and ash. Read more . . .



Image of PKRD station.Standing Guard Over LA:

USGS scientists and colleagues at the Southern California Earthquake Center are using Global Positioning System technology to track minute changes in the Earth's surface around Los Angeles and assess the risk of future earthquakes. The PKRD station watches over the city day and night. Read more . . .

 

  U.S. Department of the Interior
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