HVO scientists measure a GPS instrument

HVO scientists measure a GPS instrument to ensure its stability during a multi-day deployment in the Kahuku Unit of Hawai‘i Volcanoes National Park. In recent weeks, HVO has been working to complete a GPS campaign on Mauna Loa, which involves temporary deployments of high-precision GPS receivers to collect data that will help refine models of the volcano's inflation. Permanent GPS instruments installed on Mauna Loa continuously track deformation between campaign surveys, which are conducted annually