Mount St Helens National Monument
Mount St Helens National Monument. Washington State, USA. At 8:32 on May 18, 1980, Mount St. Helens erupted. Shaken by an earthquake measuring 5.1 on the Richter scale, the north face collapsed in a massive rock debris avalanche. Nearly 230 square miles of forest was blown down or buried beneath volcanic deposits. The eruption lasted 9 hours
Picture No
10737542
Media ID
42820275
Size
4992px x 3320px
(1.9MB)
Credit
©Bill Coster / www.ardea.com
Category
NA
Ardea Picture Library
Picture No
10737542
Contributor Ref
COS-1521
