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Displaying 21 - 27 of a total of 27 Frequently Asked Questions

Screenshot of Cascadia landslide complex in the Columbia Gorge near Stevenson, Washington
What is Lidar and what is it used for?
National Oceanic and Atmospheric Administration
Photograph of a coral reef. Corals are some of the most vulnerable organisms affected by ocean acidification, as more acidic ocean waters make it harder for corals to grow their skeletons. Photograph by Ilsa Kuffner, U.S. Geological Survey
What is ocean acidification?
National Oceanic and Atmospheric Administration
Alaska Mountain Range, Credit: USGS/Photo by John J. Mosesso
What is surface water and what affects its availability?
American Geosciences Institute
A Satellite Image of the World. Image Credit: NASA
What is the difference between weather and climate?
American Geosciences Institute
A satellite image of the Earth. Image Credit: NASA
What is the evidence that our present-day climate is changing?
American Geosciences Institute
Lava erupting from fissures at Bárðarbunga Volcano, Iceland. Image Credit: Peter Hartree, CC BY-SA 2.0, Bárðarbunga Volcano, September 4 2014
What kinds of hazards are associated with volcanic eruptions?
American Geosciences Institute
A U.S. Geological Survey seismologist installs a monitoring station on Mt. Rainier. Image Credit: U.S. Geological Survey
Why is it important to monitor volcanoes?
U.S. Geological Survey

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Popular Frequently Asked Questions

Mt. St Helens following its catastrophic 1980 eruption. Image Credit: U.S. Geological Survey/Photo by Tom Casadevall
How many active volcanoes are there in the United States?
U.S. Geological Survey
Rare earth elements include 17 elements: Yttrium, Scandium, and the Lanthanide Series. Image Credit: Peggy Greb, Agricultural Research Service, USDA
What are rare earth elements, and why are they important?
U.S. Geological Survey
Mine trucks moving material from the Cripple Creek and Victor Gold Mines in Colorado. Image Credit USGS/Photo by Yolanda Fong-Sam
What are the main methods of mining?
American Geosciences Institute
Total primary energy use in the United States in 2017 by source and sector. Image Credit: U.S. Energy Information Administration
What are the major sources and users of energy in the United States?
U.S. Energy Information Administration
An early example of a floating offshore wind turbine. Image Credit: NREL/Photo by Senu Sirnivas
What are the advantages and disadvantages of offshore wind farms?
American Geosciences Institute