NASA Scientists Map Ground Damage Caused by California Earthquakes

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Two recent Southern California earthquakes warped the ground across dozens of square miles — and the changes are visible even from space. 

A Japanese satellite picked up damage from the July 4 and 5 earthquakes that had magnitudes of 6.4 and 7.1, respectively. Quakes of these magnitudes are strong enough to cause moderate to severe damage to buildings.

The July 5 earthquake was the strongest to hit the Ridgecrest region (150 miles, or 241 kilometers, northeast of Los Angeles) in 40 years, according to the U.S. Geological Survey. The surface displacement caused by this temblor and its predecessor is clear in new images from Japan’s Advanced Land Observing Satellite (ALOS-2) satellite.

Related: Surface Rupture from Ridgecrest Earthquake Spotted from Space (Photo)

NASA experts used satellite data to map the ground displacement caused by the two major earthquakes that struck Southern California on July 4 and 5, 2019.(Image: © NASA/JPL-Caltech)

 

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