Satellites Document Earth Movement During Italy Quake

by Matt Ball on April 16, 2009

irea_envisatThe European Space Agency just released details about how the Envisat Advanced Synthetic Aperture Radar (ASAR) instrument was able to document the movement of the earth over the L’Aquila area of central Italy during this month’s seismic events. The interferogram above shows the deformation pattern, with each fringe equivalent to surface displacement of 2.8 cm.

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