Ash from the May 18, 1980 eruption of Mount St. Helens covering the...
Detailed Description
Ash from the May 18, 1980 eruption of Mount St. Helens covering the ground and road at a farm in Connell, Washington, approximately 300 km (180 mi) from the volcano.
Sources/Usage
Public Domain.
Related
Tephra Fall Is a Widespread Volcanic Hazard
Falling ash, even in low concentrations, can disrupt human activities hundreds of miles downwind, and drifting clouds of fine ash can endanger jet aircraft thousands of miles away.
Ash and Tephra Fall Hazards at Mount St. Helens
Mount St. Helens produces small to large explosive eruptions, which send varying quantities of ash and tephra into the atmosphere.
Related
Tephra Fall Is a Widespread Volcanic Hazard
Falling ash, even in low concentrations, can disrupt human activities hundreds of miles downwind, and drifting clouds of fine ash can endanger jet aircraft thousands of miles away.
Ash and Tephra Fall Hazards at Mount St. Helens
Mount St. Helens produces small to large explosive eruptions, which send varying quantities of ash and tephra into the atmosphere.