Scientists Conduct Microgravity Survey On Kīlauea Volcano - Big Island Video News

HAWAIʻI VOLCANOES NATIONAL PARK - The USGS Hawaiian Volcano Observatory is using gravimeters to detect subtle changes in gravity caused by magma movements.

USGS: “During a gravity survey, HVO scientists measure the relative strength of gravity (using a gravimeter, one of the small light-colored boxes in the center of the photo) between benchmarks. At ea… [+2502 chars]

full article...