USGSOvjeren akaunt

@USGS

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Reston, VA
Vrijeme pridruživanja: travanj 2008.

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  1. prije 7 sati

    [FAQ] How do I find, download, or order topographic maps?

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  2. prije 9 sati

    Check out our interactive Cycle Diagram - view explanations, pictures, and more! Beginner, intermediate, and advanced versions available.

    screen shot of the intermediate water cycle diagram
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  3. prije 11 sati
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  4. prije 13 sati

    This week on the Caldera Chronicles: Yellowstone's rock record—rolling through much of Earth's time

    Glacial erratic near the Grand Canyon of Yellowstone in Yellowstone National Park
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  5. prije 15 sati

    The Science of : Where they happen, why they happen, how we measure them, & more -

    Photo showing damage in SF
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  6. prije 17 sati

    Fire scientists at our EROS Center look at the potential use of for operational burn mapping. Learn more here:

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  7. proslijedio/la je Tweet

    Home to Super Bowl LIV, the can be seen from Space! The bright stadium can be seen in this pan-sharpened image (P15R42) 🏈

    Landsat image of the Hard Rock Stadium
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  8. proslijedio/la je Tweet

    Satellites don’t pick sides for the . But with infrared imagery and a little ingenuity, can add some team spirit to both San Francisco and Kansas City. Download KC: Download San Fran:

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  9. 31. sij

    RT : Good morning! How's your commute? This was ours yesterday as we made the circuit of streamgages near that we maintain on behalf of .

    U.S. Geological Survey hydrologic technician Ryan Smith travels by snowmobile to collect data from USGS streamgages near Glacier National Park. (Dan Hess, U.S. Geological Survey. Public domain.)
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    Our friends are on Instagram! Are you? If so, give them a follow for Earth observation imagery. Find them here:

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  11. 31. sij
    Orange, iron-rich precipitate (ochre) from outflow of Lead Queen mine tunnel, after late September 2014 monsoon storm. Photo by Glen E. "Gooch" Goodwin, Photographer - used with permission.
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  12. 31. sij

    Oolites – oooh, even their name sounds tropical. Limestones containing egg-like grains, they're formed in high-energy marine environments (think lapping Caribbean shoals). Oolites are attractive targets in oil exploration as they form excellent petroleum reservoirs.

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  13. 31. sij

    Most earthquakes are caused by what is termed 'elastic rebound'. If we imagine the fault as a rubber band, stress pulls the rubber band apart. When the fault (or rubber band) reaches it's limit, it snaps back and releases energy as a quake

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  14. 31. sij

    What is liquefaction? Liquefaction takes place when loosely packed, water-logged sediments at or near the ground surface lose their strength in response to strong ground shaking. Here we see liquefaction from the 1989 Loma Prieta Earthquake in California.

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  15. 30. sij
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  16. 30. sij

    [PUB] Easily our most referenced publication on plate tectonics: This Dynamic Earth

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  17. 30. sij
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  18. 30. sij

    Normal Fault? Liquefaction? Asperity? Here are some helpful animations depicting EQ terms and concepts:

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  19. 30. sij

    Historic USGS Publication: [PUB] Guidebook of the Western United States: Part A - The Northern Pacific Route, With a Side Trip to Yellowstone Park (1915)

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  20. 29. sij

    : Installing a temporary seismometer in Puerto Rico:

    Installing a temporary seismometer in Puerto Rico
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