Measuring variations in the strength of gravity and precise location at the summit of Kīlauea

Detailed Description
University of Wisconsin—Madison Ph.D. candidate and Hawaiian Volcano Observatory (HVO) volunteer, Claire Ruggles, measures variations in the strength of gravity (grey box) and precise location (GPS on antenna) at the summit of Kīlauea. USGS photograph taken on January 7, 2023, by HVO geophysicist A. Flinders.
Sources/Usage
Public Domain.