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| Magnetic anomaly (red line circled in brown) stretching more than 30 km through Surprise Valley. (Courtesy Melissa Pandika) |
Tucked in the northeastern corner of California, Surprise Valley is set amid a high desert landscape dotted with hot springs and dry lakebeds. During the first two weeks of September 2012, a team of scientists and engineers collected magnetic data using ground surveys and an unmanned serial system, or UAS, to map the geophysics of Surprise Valley, revealing features buried below the surface.
Although some faults and fractures are visible, some remain hidden underground. And even when researchers know where hot springs are located, they want to understand how fluids flow through the network of underground pores and channels.
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