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USGS 2 ώρ.
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USGS 16 ώρ.
Απάντηση σε @CyrusElliot
They're not shown because there is no fault expression on the surface.
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USGS 17 ώρ.
[FAQ] How many species of salmon are there and how large can they get?
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USGS 19 ώρ.
Celebrate by visiting our USGS Education website for lesson plans, videos and animations, online lectures, and more!
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Ο χρήστης USGS έκανε Retweet
USGS Store 22 ώρ.
It's ! Retweet and follow us for a chance to win the North America Tapestry of Time & Terrain! (U.S. residents only)
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USGS 23 ώρ.
Want to explore the faults in your area? Check out our interactive fault map -
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USGS 23 ώρ.
Απάντηση σε @corosanta01
Yes, there was a volcanic sector collapse and landslide around 300,000 years ago. More details here:
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USGS 15 Οκτ
While Hurricane Michael's winds and storm surge were devastating, the rains also left their mark, triggering flash floods and high waters all along the storm track.
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USGS 15 Οκτ
Mount Shasta from above - one of the largest & highest of the Cascade volcanoes. Learn more here:
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USGS 12 Οκτ
: A World of Hops. Oktoberfest just wrapped up, but what does it take to make this crucial ingredient in your favorite beer?
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USGS 12 Οκτ
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USGS 12 Οκτ
Απάντηση σε @livin2dmax
Can't seem to find any marker beds in this photo - might be too low-res to identify anything
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USGS 12 Οκτ
Top photo: Gillem Bluff in Tulelake, CA, example of a normal fault system, where the hanging wall block (basin on right side) has dropped relative to the foot wall of the fault (bluff on left side)
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USGS 12 Οκτ
Tomorrow is International Day for Natural Disaster Reduction. What can you expect in the seconds, minutes, hours, and days after a large urban earthquake?
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USGS 12 Οκτ
USGS scientists and researchers are attending in San Antonio, TX this weekend to promote USGS science activities and help judge student poster presentations
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USGS 11 Οκτ
[FAQ] Where can I find historical photographs from the Great Surveys of the American West? Pic of Clarence King in camp, 1868
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USGS 11 Οκτ
Join in! Great ShakeOut Drills next Thursday, Oct. 18, register & find out more about earthquake safety here:
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USGS Coastal Change 11 Οκτ
. says could produce flash flooding. Watch river gages, many already above normal, on these web sites. Heed local warnings! VA: NC: WV:
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USGS 11 Οκτ
Yellowstone's rivers—the key to monitoring hydrothermal activity
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USGS 11 Οκτ
[PUB] We're looking for future scientists for a growing variety of science and related fields. Check out inspiring career stories here:
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