GPS monitoring of Hawaiian Volcanoes
![Image: GPS monitoring of Hawaiian Volcanoes](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/HVO_PR_06Jan2012__Image-67-2.jpg?itok=uWbq9IPu)
Detailed Description
The USGS Hawaiian Volcano Observatory uses a variety of ground- and satellite-based techniques to monitor Hawai‘i’s active volcanoes. Here, an HVO scientist sets up a portable GPS receiver to track surface changes during an island-wide survey of Hawai‘i’s volcanoes.
Sources/Usage
Public Domain.