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NASA radar to study Hawaii's most active volcano

Date:
January 9, 2012
Source:
NASA/Jet Propulsion Laboratory
Summary:
An airborne radar developed by NASA's Jet Propulsion Laboratory, Pasadena, Calif., has returned to Hawaii to continue its study of Kilauea volcano, Hawaii's current most active volcano.

Color-enhanced UAVSAR interferogram images of Hawaii's Kilauea volcano, taken between January 2010 and May 2011. The images show the east rift zone of Kilauea, about 6 miles (9.7 kilometers) from the summit caldera. Lava has been flowing from the east rift zone, the most active part of Kilauea, since 1983.
Credit: NASA/JPL-Caltech

An airborne radar developed by NASA's Jet Propulsion Laboratory, Pasadena, Calif., has returned to Hawaii to continue its study of Kilauea volcano, Hawaii's current most active volcano.

The Uninhabited Aerial Vehicle Synthetic Aperture Radar, or UAVSAR, mounted in a pod under NASA's G-III research aircraft from NASA's Dryden Flight Research Center, Edwards, Calif., returned to Hawaii's Big Island on Jan. 7. The one-week airborne campaign will help scientists better understand processes occurring under Earth's surface at Kilauea.

UAVSAR uses a technique called interferometry that sends pulses of microwave energy from the sensor on the aircraft to the ground to detect and measure very subtle deformations in Earth's surface.

The radar will collect data over Kilauea from an altitude of about 41,000 feet (12,500 meters). UAVSAR previously studied the region in January 2010 and May 2011. Those two sets of observations successfully imaged the surface deformation caused by the March 2011 fissure eruption in Kilauea's east rift zone.

Flights this month will trace the same path as the two previous years to measure deformation of the volcano since the March 2011 eruption and as part of future studies of the volcano's changing deformation patterns due to volcanic activity.

For more information, visit: http://www.nasa.gov/topics/earth/features/kilauea_2012.html . For more on UAVSAR, visit: http://uavsar.jpl.nasa.gov/index.html .

JPL is a division of the California Institute of Technology in Pasadena.


Story Source:

The above story is based on materials provided by NASA/Jet Propulsion Laboratory. Note: Materials may be edited for content and length.


Cite This Page:

NASA/Jet Propulsion Laboratory. "NASA radar to study Hawaii's most active volcano." ScienceDaily. ScienceDaily, 9 January 2012. <www.sciencedaily.com/releases/2012/01/120109192407.htm>.
NASA/Jet Propulsion Laboratory. (2012, January 9). NASA radar to study Hawaii's most active volcano. ScienceDaily. Retrieved July 31, 2014 from www.sciencedaily.com/releases/2012/01/120109192407.htm
NASA/Jet Propulsion Laboratory. "NASA radar to study Hawaii's most active volcano." ScienceDaily. www.sciencedaily.com/releases/2012/01/120109192407.htm (accessed July 31, 2014).

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