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Mount St. Helens

Mount St. Helens is an active volcano in Washington State's Cascade mountain range. Mount St. Helens erupted on May 18, 1980, causing the most deadly volcanic event in United States history.

397 Questions

How many days did it take for the ash to go around when mt st helens erupted?

how many days did it take for the ash get in the air from the eruption from mt st Helens in 1980

What does a volcanic island form over?

A volcanic island realy doesn't form over anything. Hot magma rises from benieth the sea and cools. Sometimes it doesn't make it to the surface and it flows down to the bottom again.

What is the land around Mount St. Helens used for?

The land around Mount St. Helens has been used for tourism, camping, and logging.

What is Washington's Mount St Helens?

An active strato-volcano that had an explosive eruption in May 1980.

Was Mount St. Helens formed along a subduction zone or a rift zone?

Mount St. Helens was formed along a subduction zone. The volcano is part of the Cascade Range in the Pacific Northwest of the United States, where the Juan de Fuca plate is being subducted beneath the North American plate, leading to volcanic activity in the region.

What city is Mount St Helens in?

its not exactly in a city but its in a national forest

Is mt st helens non-explosive or explosive?

Mount St. Helens is generally regarded as an explosive volcano, but like most stratovolcanoes, it can produce both explosive and non-explosive eruptions.

What other volcanoes lie near mount st helens?

Nearby volcanoes include Mount Hood, Mount Adams, and Mount Rainier.

Is Mount St. Helens extinct?

no it is not extinct. Some say that is active because there is still smoke coming out of it, but it is just sleeping so it is dormant.

no it is not extinct. Some say that is active because there is still smoke coming out of it, but it is just sleeping so it is dormant.

no it is not extinct. Some say that is active because there is still smoke coming out of it, but it is just sleeping so it is dormant.

Is mount St Helens in New Hampshire?

No. Mount Saint Helens is in Washington state.

How far did mount st Helen ash cluod spread for?

The ash cloud from the 1980 eruption of Mount St. Helens spread over a vast area, reaching as far as 1,300 miles (2,100 kilometers) away. The ashfall affected several states, including Washington, Oregon, and Idaho, and even reached parts of Canada. In total, the eruption dispersed ash across 22 states, significantly impacting air quality and agriculture in the region.

Is mt rainier close to mt saint helens?

Yes, Mount Rainier and Mount St. Helens are both located in Washington state, but they are not right next to each other. Mount St. Helens is located to the west of Mount Rainier, approximately 50 miles away.

Why did the eruption of mount st helens cause so much destruction?

The eruption of Mount St. Helens in 1980 caused extensive destruction due to a combination of explosive volcanic activity and the resulting pyroclastic flows, ashfall, and mudflows (lahars). The eruption was preceded by a massive landslide that reduced the mountain's height and allowed for a lateral blast, which devastated areas up to 19 miles away. The release of ash clouds spread across several states, disrupting air travel and affecting air quality. Additionally, the eruption altered the landscape, leading to long-term ecological impacts in the surrounding region.

What is the name of Helens only child in the odyssey?

In Homer's "The Odyssey," Helen's only child is named Hermione. She is the daughter of Helen and Menelaus, the king of Sparta. Hermione plays a minor role in the epic, but her lineage is significant, as it links her to key characters and events in Greek mythology.

Did the eruption of mount st helens destroy all buildings?

The snow on MSH that was not instantly flashed to steam by the heat, melted and formed large mudflows that destroyed 27 bridges, 200 homes, 185 miles of roadway, and 15 miles of railway.

Ino found at http://www.olywa.net/radu/valerie/StHelens.html

How many people died when mount st Helen last erupted?

57 lives where lost and $2.74 billion dollars in damage