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Horizontal displacement vectors at Mount St. Helens (2008-2014)

1905 (approx.)

Detailed Description

Map of horizontal displacement vectors for Global Positioning System (GPS) stations in and around Mount St. Helens. Blue arrows show the direction and magnitude of horizontal movement, as measured at the GPS station from 2008-2014. The total horizontal displacement is indicated in millimeters (mm) and inches (in). Light blue circles at the end of the arrows are measurement uncertainty.

Sources/Usage

Public Domain.

M. Lisowski