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California Spatial Reference Center
InSAR images from the Los Angeles area

The following figures are from the Los Angeles (LA) area.

Click on the thumbnails below for larger images:

SAR amplitude image.
SAR-derived topography image. This was created using stacking of a digital elevation model (DEM) of the region with SAR images following the method outlined by Sandwell and Sichoix (J. Geoph. Res., 105, pp. 28211-28222).
InSAR phase image. Note atmospheric effect outlined by yellow box. Pair has a timespan of 1 day (tandem pair) and a perpendicular baseline of 89 m.
InSAR phase image. Note two groundwater-related deformation effects shown by the yellow arrow and box. Pair has a timespan of 840 days and a perpendicular baseline of 15 m.
InSAR phase image. Similar to above. Note two groundwater-related deformation effects shown by the yellow arrow and box. Pair has a timespan of 665 days and a perpendicular baseline of 50 m.
InSAR phase image. Note earthquake deformation effects shown by the lefthand/top yellow arrow (due to Northridge earthquake of 1994). Pair has a timespan of 1073 days and a perpendicular baseline of 7 m.

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