Purchasing Tires for My Old Faithful
By Denise OwensNormally when I go to purchase tires for my vehicle it’s usually because they are worn. But in this case they were dry rotted. It’s an old little SUV that isn’t driven much.So I started my search online for the best deals. After finding the best deal I made an appointment to…
How Hot Is A Volcano?
Lava and Lava Flows The temperature of basalt lava at Kilauea reaches 1,160 degrees Celsius (2,120 degrees Fahrenheit). -- USGS/VHP Website, 1998 The tube system (lava tubes) of episode 53 (Pu'u O'o eruption, Hawaii) carried lava for 10 kilometers (6 miles) from the vent to the sea. So…
Where are zebra mussels from?
Zebra mussels are native to fresh water rivers and lakes in Eastern Europe and western Asia. In 1769, Pallas first described populations of this species from the Caspian Sea and Ural River in Russia. For more information, click http://nas.er.usgs.gov/taxgroup/mollusks/zebramussel/
How can I find USGS natural hazards information (earthquakes, volcanoes, etc.)?
Go to the Natural Hazards Gateway , which includes: Earthquakes Floods Geomagnetism (solar flares, etc.) Hurricanes Landslides Seismic Zone Mapping Sinkholes Tsunamis Volcanoes Wildfires
What is a fault and what are the different types?
A fault is a fracture or zone of fractures between two blocks of rock. Faults allow the blocks to move relative to each other. This movement may occur rapidly, in the form of an earthquake - or may occur slowly, in the form of creep . Faults may range in length from a few millimeters to thousands of…
Is there a relationship between large earthquakes (>M 6) that occur along major fault zones and nearby volcanic eruptions?
Sometimes, yes. A few historic large regional earthquakes (>M 6) are considered by scientists to be related to a subsequent eruption or to some type of unrest at a nearby volcano. The exact triggering mechanism for these historic examples is not well understood, but the volcanic activity probably…
What was the extent of ash deposition from the largest Yellowstone eruptions?
During the three giant caldera-forming eruptions that occurred between 2.1 million and 640,000 years ago, tiny particles of volcanic debris ( volcanic ash ) covered much of the western half of North America, likely a third of a meter deep several hundred kilometers from Yellowstone and several…
How do I access the online USGS Publications Warehouse?
The USGS Publications Warehouse ( http://pubs.usgs.gov/ ) has released a new interface and a variety of new content and features. The new version of this tool now includes citations for USGS-authored content including journal articles, books, book chapters, proceedings, and other research…
Where can I find information about recreation activities and enjoying America's outdoor wonders?
Go to the U.S. government's Recreation Website .
What categories of water data does the USGS make available to the public?
The USGS provides access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, and Puerto Rico. Online access to this data is organized around the categories listed to the left. The USGS investigates the occurrence, quantity, quality,…
How is the water I drink made safe?
Different treatment is used depending on the source of your water. Ground water taken from wells has been filtered through rocks, so it is usually quite free of particles. It can still contain chemicals and organic matter that must be taken out, though. If your water comes from a surface-water…
Where have amphibian declines been noted?
Scientists have documented four major 'hot spots' for amphibian declines: western North America, Central America, northeast Australia, and Puerto Rico. Researchers believe that all of these declines--most in seemingly pristine areas--have occurred since around 1980. Other areas of the world…