Synthetic-Aperture Radar

Uplift and subsidence associated with a June 2007 earthquake swam on Kilauea Volcano are depicted in this ALOS PALSAR interferogram. Kilauea Volcano, located on the southeast portion of the island of Hawaii, has been erupting continuously since 1993. Credit: Zhong Lu, USGS.

Synthetic-Aperture Radar (SAR), Earth Observation, and Mapping

by Mark Altaweel

Synthetic-Aperture Radar (SAR) is becoming more widely available and increasingly part of Earth observation satellites.