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Geotechnical Egineering News tagged with [fault]

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Geologists May Have Finally Solved The Secret of Machu Picchu's Strange Location
Science Alert   25 September 2019   Peru   Machu Picchu  
Natural blocks of stone in Machu Picchu. (Rualdo Menegat)
<p>As beautiful as Machu Picchu is, it's not the easiest place to get to, high up in the Andes with steep drops to the Urubamba River on three sides. Now researchers think they might know why the site was chosen.<br />The secret may lie deep below this iconic ...
An L.A.-area fault looked dormant. Turns out it can cause a 6.4-magnitude quake, study says.
The Washington Post   05 September 2019   USA   California, L.A.  
Etienne Laurent/EPA-EFE/Shutterstock
<p>Scientists thought the Wilmington blind‐thrust fault that runs deep under the Los Angeles region had been dormant since the Late Pliocene era, millions of years ago. But a new study reveals that it&rsquo;s very much alive, and capable of generating the ...
Watch as the Ridgecrest earthquake shatters desert floor in stunning before-and-after images
Los Angeles Times   23 July 2019   USA   California  
Sotiris Valkaniotis / Google Earth / DigitalGlobe
<p>Millions felt the shaking from the Ridgecrest earthquake.<br>But new satellite images offer a dramatic and instructive view of the immense power of the magnitude 7.1 quake, showing how California’s biggest earthquake in nearly two decades caused the ground ...
Kaikoura: 'Most complex quake ever studied'
BBC NEWS   24 March 2017   New Zealand   Oceania  
http://ichef.bbci.co.uk/news/624/cpsprodpb/149E1/production/_95294448_hamling5hr.jpg
<p>The big earthquake that struck New Zealand last year may have been the most complex ever, say scientists.<br>November's Magnitude 7.8 event ruptured a near-200km-long swathe of territory, shifting parts of NZ's South Island 5m closer to North Island.<br>Whole ...
Finding fault: New information may help understand earthquakes
Science Daily   16 March 2015   USA   Massachusetts  
UMass Amherst
<p>New modeling and analyses of fault geometry in the Earth's crust by geoscientist are advancing knowledge about fault development in regions where one geologic plate slides past or over another, such as along California's San Andreas Fault and the Denali ...