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October 2, 2024

HVO scientists are conducting the annual Kīlauea GPS campaign. During the survey, GPS instruments are deployed at established benchmarks so that their recorded positions can be compared with those from previous years to discern subtle patterns of ground deformation associated with volcanic activity.

 

Color photograph of tripod on lava flow
Some of the GPS survey locations are drive-to, whereas others require helicopter support. USGS photo by A. Ellis.
Color photograph of tripod on lava flow
A benchmark on Kīlauea being surveyed by GPS campaign instruments. The metal disk on the ground beneath the tripod is the benchmark, which is cemented to the lava flow surface. USGS photo by A. Ellis. 
Color photograph of tripod on grass
Survey GPS data augment the permanent, continuously recording GPS instruments in HVO's monitoring network. In this photo, a survey tripod is established over a benchmark at Puʻukapukapu, on a remote part of Kīlauea's south flank within Hawai‘i Volcanoes National Park. USGS photo by A. Ellis.

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