Satellite-based,
interferometric synthetic aperture radar measurements:
This image shows ground displacement in the October 1999, Mw
7.1 Hector Mine Earthquake, Southern California. Each color
represents 2.5 cm of motion of the ground in a direction towards
the satellite. (Research by: Prof. Mark Simons, Yuri Fialko
& Luis Rivera)
US
Geological Survey (USGS)
Frequently
asked questions about Earthquakes(FAQ's)
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