Hawaiian Volcano Observatory continuous gravimeter station on Kīlauea
A Hawaiian Volcano Observatory continuous gravimeter station on Kīlauea Volcano. The continuous gravimeter is located within the weather-proof enclosure in the foreground of the photograph. Power systems for the gravimeter and continuous GPS are visible in the center of the photograph and consist of solar panels and batteries in weather-proof enclosures. A GPS and gravity campaign survey was also being conducted at the time this photograph was taken. The campaign GPS antenna and campaign gravimeter are visible in the far background of the image. USGS photograph.