Quick Cut and Paste:
"The maps above show how the Earth moved in mid-September …..the amount of land motion is represented in shades from yellow to purple. Areas where the ground shifted the most (vertically, horizontally, or both) are represented in yellow, while areas with little change are represented in purple. …Interferograms can be used to estimate where the fault moved deep in the Earth and which areas have increased stress and higher likelihood of future earthquakes…"
Full Article:
Mapping Earth Motion from the Illapel Earthquake - October 1, 2015
References and Related Reading:
- AGU Blogosphere: The Trembling Earth (2015, September) Chile keeps having earthquakes. Accessed September 29, 2015.
- European Space Agency (2015, September 21) Chile earthquake on the radar. Accessed September 29, 2015.
- The Guardian (2015, September 25) How did Chile manage to survive its recent earthquake virtually unscathed? Accessed September 29, 2015.
- Institut de Physique du Globe de Paris (2015) Earthquake offshore Illapel, Chile. Accessed September 29, 2015.
- NASA Earth Observatory (2015, May 14) Sensing How Much the Moved in Nepal.
- NASA Jet Propulsion Laboratory (2015) Advanced Rapid Imaging and Analysis Center for Natural Hazards. Accessed September 29, 2015.
- Slate (2015, September 16) Chile earthquake and tsunami: Hawaii on tsunami alert after 8.3 quake strikes Chile. Accessed September 29, 2015.
Full Credits:
NASA Earth Observatory maps by Joshua Stevens, using
interferogram data courtesy of Copernicus and Eric Fielding NASA/JPL, and earthquake data from the
U.S. Geological Survey. Caption by Mike Carlowicz.
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