Mount Saint Helens: Media

mountain, Washington, United States

Videos

Watch the volcanic eruption of Mount Saint Helens and subsequent flooding caused by melted glaciers
On May 18, 1980, as geologists watched in awe, Mount Saint Helens erupted with tremendous...
Video: Encyclopædia Britannica, Inc.
How volcanoes work, explained by a volcanologist
Volcanologist Janine Krippner dives into the details of how volcanoes work and the...
Video: Encyclopædia Britannica, Inc.

Images

Mount Saint Helens
The north face of Mount Saint Helens in June 1970.
R.W. Decker
Mount Saint Helens
Eruption of Mount Saint Helens on May 18, 1980.
U.S. Geological Survey
Mount Saint Helens
The lava dome of Mount Saint Helens in May 1984.
Courtesy of the U.S. Geological Survey; photograph, Lyn Topinka
Mount Saint Helens
Encyclopædia Britannica, Inc.
Mount Saint Helens
Statue of a man planting trees, dedicated to those who replanted the area around...
© Michael Hynes
Mount Saint Helens
Mount Saint Helens, Washington.
© Michael Hynes
Mount St. Helens volcano
Mount St. Helens volcano, viewed from the south during its eruption on May 18, 1980.
© Getty Images
Mount St. Helens eruption.
A cloud of ash and pumice rises into the air on July 22, 1980, following an explosive...
Mike Doukas/U.S. Geological Survey
lahar
Lahar (dark deposit on snow) on Mount Saint Helens after the March 19, 1982, eruption.
Tom Casadevall/U.S. Geological Survey
Earth scientists setting up equipment to monitor changes on the slopes of Mount Saint...
Ted S. Warren—AP/REX/Shutterstock.com
seismic sensor
A helicopter-borne “smart spider” sensor sitting on a ridge of Mount St. Helens,...
US Geological Survey
volcanic dome
Volcanic domes in the crater of Mount Saint Helens, southwestern Washington.
Willie Scott/U. S. Geological Survey