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CVO geophysicist installs a GPS mast at station LSON, Mount Hood

By Mount Hood
GPS mast installed at station LSON, on Mount Hood
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Detailed Description

USGS Cascades Volcano Observatory Geophysicist Rebecca Kramer works on the installation of the GPS mast at new station LSON, at Mount Hood. The GPS measures subtle ground deformation that can occur in response to magma entering or leaving the magma reservoir several miles below the summit.

Sources/Usage

Public Domain.