Alaska Satellite Facility
Delivering Remote Sensing Data Since 1991

2010 Fall Volume 6:4 Articles:

ALOS Data for Land Subsidence Monitoring in Arizona

The Arizona Department of Water Resources (ADWR) has been collecting and processing Synthetic Aperture Radar (SAR) data using interferometry (InSAR) since 2005. The InSAR products produced are used by ADWR for statewide land-deformation monitoring for the purpose of improved water-resource management and more specifically, to determine the spatial extent, magnitude, and time-series history of land-deformation features within south-central and southern Arizona.

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The M7.2 El Major-Cucapa Earthquake in Baja California: Extensive Liquefaction Identified in ALOS InSAR Data

A magnitude 7.2 earthquake struck Northern Baja California, Mexico, at 3:40 p.m. Pacific Time on April 4, 2010. The epicenter was located in Mexico about 63-km southeast of Calexico, California. This earthquake temblor was widely felt through southern California and some reports came in from more distant locations such as Santa Barbara, California, and Las Vegas, Nevada. This earthquake was the largest earthquake in the region in the last 18 years, after the M7.3 Landers earthquake in 1992.

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