Volcano Watch: Not just polka dots: the hidden dance of processing GPS data
By Hawaiian Volcano Observatory | Saturday, November 4, 2023, 12:05 a.m.
Share this story
LEFT: Annotated photo showing a continuous GPS monitoring station installed by HVO on the Island of Hawaii. RIGHT: Example graph of processed daily GPS data positions in the east-west (top panel), north-south (middle panel), and vertical (bottom panel) axes for a GPS monitoring station at the summit of Klauea over the past two years. Vertical light red lines show onsets for the Jan. 5, June 7, and Sept. 10, Kilauea summit eruptions. (USGS photo by A.P. Ellis/USGS plot)