NASAのインスタグラム(nasa) - 4月24日 01時19分

Our radar imaging mission got underway in early April to collect data over targets in the Gulf Coast area of the southeastern United States. Our C-20A aircraft, a modified Gulfstream III, is carrying the Uninhabited Aerial Vehicle Synthetic Aperture Radar instrument in a specialized pod. Research during the deployment is covering a variety of topics, including volcanoes, glaciers, forest structure, levees, and subsidence. It is also providing vegetation data sets for satellite algorithm development. The volcanoes of Central and South America are of interest because of the hazard they pose to nearby population centers. A majority of the research will focus on gathering volcano deformation measurements. Surface deformation often precedes other signs of renewed volcanic activity.

This photo of volcanoes in Guatemala was taken over Central and South America. The conical volcano in the center is "Volcan de Agua." The two volcanoes behind it are, right to left, "Volcan de Fuego" and "Acatenango." "Volcan de Pacaya" is in the foreground.

Image Credit: NASA/Stu Broce

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