An aircraft flies over Mount Saint Helens in Washington in United States as white steam puff rises from the crater after volcanic eruption. Thick grey colored smoke clouds are seen over Mount Saint Helens.
An aircraft flies over crater on Mount Saint Helens in Washington in United States as white steam puff rises from its sides after volcanic eruption. Horse shoe shaped crater is filled with ash.
An aircraft flies over the crater on Mount Saint Helens in Washington in United States as thick smoke rises from it after volcanic eruption. Horse shoe shaped crater is filled with ash with white steam puff rising from its sides.
Geologists in Washington, United States. A geologist writes a note on the side of a document. A few men beside vehicles outside Aircraft Specialties building. The geologists standing beside a few vehicles on a lawn don flight gear and prepare to take off for the area of volcano eruption at Mount Saint Helens. The men beside a car assemble tools in a carton to be carried with them. A helicopter parked in the background. The geologists wearing helmets and other flight gear. Two men standing and talking. A few geologists talking standing beside a vehicle. One of them holding a document. A woman with two men discussing. The men beside the vehicle talking. The helicopter lifts off with the geologists. A man watching the helicopter.
Geologists at Mount Saint Helens in Washington, United States. A few geologists in the area of the volcano eruption at Mount Saint Helens. Dried wood covered with grey ash on the hill. Men holding tools walking along a stream of water flowing in the eruption area. A man looking at the water and walking through the water. The men discussing standing beside a helicopter. Dried eruption material in the background. Views of the men talking. A part of the helicopter in view. Aerial view of the eruption area. A man wearing a helmet seated inside the helicopter and talking into a headphone.
Geologists at Mount Saint Helens in Washington, United States. A geologist walking up the rocks in the area of the volcanic eruption at Mount Saint Helens. The geologists beside a helicopter in the eruption area. Dried wood on the hill covered with grey ash. Rocks formed from the eruption. Other mountains and hills in the background. A man walks about looking at the hardened emissions on the ground.