Mount St. Helens, aerial photograph taken from NE. Sep. 1964.
Mount St. Helens, aerial photograph taken from NE. Sep. 1964.Aerial photo of Mount St. Helens taken from the northeast in September 1964.
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Images related to Mount St. Helens.
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Mount St. Helens, aerial photograph taken from NE. Sep. 1964.
Mount St. Helens, aerial photograph taken from NE. Sep. 1964.
Mount St. Helens, aerial photograph taken from NE. Sep. 1964.Aerial photo of Mount St. Helens taken from the northeast in September 1964.
Topographic map, Mount St. Helens, C.E. 1919 annotated with locatio...
Topographic map, Mount St. Helens, C.E. 1919 annotated with locatio...Due to the cataclysmic eruption of May 18, 1980, many of the locations annotated on this map are now either covered or no longer visible.
Topographic map, Mount St. Helens, C.E. 1919 annotated with locatio...
Topographic map, Mount St. Helens, C.E. 1919 annotated with locatio...Due to the cataclysmic eruption of May 18, 1980, many of the locations annotated on this map are now either covered or no longer visible.
Tracking the advance of Crater Glacier at Mount St. Helens, WA
Tracking the advance of Crater Glacier at Mount St. Helens, WAInformation regarding volume and rates of advance for the crevassed Crater Glacier at Mount St. Helens, Washington, are extracted from Digital Elevation Models created from aerial photography. The red line shows the extent of Crater Glacier in 2012. Since 2012, the glacier has advanced about 50 m (160 ft) down the Loowit channel.
Tracking the advance of Crater Glacier at Mount St. Helens, WA
Tracking the advance of Crater Glacier at Mount St. Helens, WAInformation regarding volume and rates of advance for the crevassed Crater Glacier at Mount St. Helens, Washington, are extracted from Digital Elevation Models created from aerial photography. The red line shows the extent of Crater Glacier in 2012. Since 2012, the glacier has advanced about 50 m (160 ft) down the Loowit channel.
Mount St. Helens prior to catastrophic eruption of May 18, 1980. St...
Mount St. Helens prior to catastrophic eruption of May 18, 1980. St...Mount St. Helens prior to the catastrophic eruption of May 18, 1980. Streams and lava flows also visible. View is looking southerly from oblique aerial view. Mount Hood in distance.
Mount St. Helens prior to catastrophic eruption of May 18, 1980. St...
Mount St. Helens prior to catastrophic eruption of May 18, 1980. St...Mount St. Helens prior to the catastrophic eruption of May 18, 1980. Streams and lava flows also visible. View is looking southerly from oblique aerial view. Mount Hood in distance.
Leveling measurements of the slope of the Mount St. Helens' crater ...
Leveling measurements of the slope of the Mount St. Helens' crater ...Tiltmeters allowed 24-hour monitoring as the information was telemetered back to CVO. Other instruments such as displacement meters for measuring cracks, seismometers for measuring earthquakes, gas sensors for measuring gas concentrations, and magnetometers for measuring the magnetic field, were also used for 24-hour monitoring.
Leveling measurements of the slope of the Mount St. Helens' crater ...
Leveling measurements of the slope of the Mount St. Helens' crater ...Tiltmeters allowed 24-hour monitoring as the information was telemetered back to CVO. Other instruments such as displacement meters for measuring cracks, seismometers for measuring earthquakes, gas sensors for measuring gas concentrations, and magnetometers for measuring the magnetic field, were also used for 24-hour monitoring.
Dome building episode from 2004-2008 at Mount St. Helens can be obs...
Dome building episode from 2004-2008 at Mount St. Helens can be obs...Dome building episode from 2004-2008 at Mount St. Helens can be observed and measured with these two digital elevation models (DEMs) developed before and after the eruptive episode.
Dome building episode from 2004-2008 at Mount St. Helens can be obs...
Dome building episode from 2004-2008 at Mount St. Helens can be obs...Dome building episode from 2004-2008 at Mount St. Helens can be observed and measured with these two digital elevation models (DEMs) developed before and after the eruptive episode.
A bathymetric contour map of Castle Lake, Mount St. Helens.
A bathymetric contour map of Castle Lake, Mount St. Helens.Researchers map the bottom of Castle Lake, near Mount St. Helens. For three days, researchers ran a small boat over the lake surface equipped with an acoustic Doppler current profiler (ADCP). The ADCP bounces an acoustic wave off the bottom that is reflected back to a mobile receiver in the boat.
A bathymetric contour map of Castle Lake, Mount St. Helens.
A bathymetric contour map of Castle Lake, Mount St. Helens.Researchers map the bottom of Castle Lake, near Mount St. Helens. For three days, researchers ran a small boat over the lake surface equipped with an acoustic Doppler current profiler (ADCP). The ADCP bounces an acoustic wave off the bottom that is reflected back to a mobile receiver in the boat.
Testing bathymetric equipment at Coldwater Lake, Mount St. Helens
Testing bathymetric equipment at Coldwater Lake, Mount St. HelensAdam Mosbrucker tests equipment (Acoustic Doppler Current Profiler, survey-grade RTK-GPS and a map-grade GPS) in preparation for a lake bottom survey.
Testing bathymetric equipment at Coldwater Lake, Mount St. Helens
Testing bathymetric equipment at Coldwater Lake, Mount St. HelensAdam Mosbrucker tests equipment (Acoustic Doppler Current Profiler, survey-grade RTK-GPS and a map-grade GPS) in preparation for a lake bottom survey.
Horizontal displacement vectors at Mount St. Helens (2008-2014)
Horizontal displacement vectors at Mount St. Helens (2008-2014)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).
Horizontal displacement vectors at Mount St. Helens (2008-2014)
Horizontal displacement vectors at Mount St. Helens (2008-2014)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).
Before the eruption of May 18, 1980, Mount St. Helens' elevation wa...
Before the eruption of May 18, 1980, Mount St. Helens' elevation wa...Mount Adams elevation is 3,745 m (12, 286 ft). Mount St. Helens was the smallest of five major volcanic peaks in Washington State.
Before the eruption of May 18, 1980, Mount St. Helens' elevation wa...
Before the eruption of May 18, 1980, Mount St. Helens' elevation wa...Mount Adams elevation is 3,745 m (12, 286 ft). Mount St. Helens was the smallest of five major volcanic peaks in Washington State.