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| The SIERRA UAS collected data and then sent it to a radio receiver held by a USGS researcher riding an all-terrain vehicle (ATV) in the field. Credit: NASA Ames |
The Surprise Valley Fault, a stretch of land that snakes along the Warner Mountain Range in northeastern California, is pocked with small surface scars and billows steam from hot springs, which makes it an ideal location to study underground seismic activity.
In the past, data collection was limited to ground surveys performed by foot and four-wheel all-terrain vehicles. This year, data collection of this treacherous terrain was enhanced by employing an unmanned aircraft system (UAS), called the Sensor Integrated Environmental Remote Research Aircraft (SIERRA), managed and operated by NASA's Ames Research Center at Moffett Field, California.
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