October 25, 2023 — Kīlauea GPS campaign wraps up

During the annual Kīlauea GPS campaign, scientists temporarily deploy a number of GPS instruments at established benchmarks; their recorded positions can be compared with those from previous years to discern subtle patterns of ground deformation associated with volcanic activity. In this photo, a USGS volunteer helps deploy equipment at the end of Chain of Craters Road. USGS photo by A. Ellis.