March 25, 2024 — Annual Kīlauea gravity survey
![Color photograph of scientist in the field](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/IMG_0463.jpeg?itok=YuRCO7gy)
Detailed Description
A gravimeter being deployed on the floor of Kīlauea caldera, with a GPS station located on a tripod nearby. The gravimeter is the small, shoebox-sized instrument, which can measure a change in the force of gravity to one-in-one billionth of the force you feel every day. USGS photo by A. Ellis.
Sources/Usage
Public Domain.