What is Mount St. Helens for kids?

Helens is a volcano in the U.S. state of Washington. It is 96 miles (154 km) south of Seattle and 53 miles (85 km) northeast of Portland, Oregon. The volcano is in Cascade Range of mountains. It is part of the Cascade Volcanic Arc in the Pacific Ring of Fire that includes over 160 active volcanos.
Usgs Mount St Helens

What are 5 interesting facts about Mount St. Helens?

Here are five facts about the stratovolcano.

Before erupting, the volcano was 9,677 feet.
Over 230 square miles of forest was destroyed in minutes.
The volcano has had numerous eruptions.
The blast killed USGS scientist David Johnston.
Native Americans abandoned hunting grounds at the volcano 3,600 years ago.

Where is Mount St. Helens for kids?

Mount St. Helens is located in southwest Washington state, around 90 miles south of Seattle. It is part of the Cascade Mountain Range. The Cascade Mountain Range is part of a bigger geological feature called the Ring of Fire.

What is special about Mt St Helens?

Mount St. Helens is best known for its major eruption on May 18, 1980, the deadliest and most economically destructive volcanic event in U.S. history. Fifty-seven people were killed; 200 homes, 47 bridges, 15 miles (24 km) of railways, and 185 miles (298 km) of highway were destroyed.

What is Mount St. Helens used for?

What’s an interesting fact about Mount Saint Helens?

1During the past 4,000 years, Mount St. Helens has erupted more frequently than any other volcano in the Cascade Range. 2Most of Mount St. Helens is younger than 3,000 years old (younger than the pyramids of Egypt).

How old is Mount Saint Helens?

Mount St. Helens
Geology
Age of rock	< 40,000 yrs
Mountain type	Active stratovolcano (Subduction zone)
Volcanic arc	Cascade Volcanic Arc

What is Mount St. Helens nickname?

Fuji-san of America

Where is Mount St. Helens located for kids?

Helens is a volcano in the U.S. state of Washington. It is 96 miles (154 km) south of Seattle and 53 miles (85 km) northeast of Portland, Oregon. The volcano is in Cascade Range of mountains.

Where exactly is Mount St. Helens?

southwestern Washington

Is Mount St. Helens in Canada?

Here are five facts about the stratovolcano.

Before erupting, the volcano was 9,677 feet.
Over 230 square miles of forest was destroyed in minutes.
The volcano has had numerous eruptions.
The blast killed USGS scientist David Johnston.
Native Americans abandoned hunting grounds at the volcano 3,600 years ago.

What is special about Mount St Helens?

This volcano is well known for its ash explosions and pyroclastic flows. Mount St. Helens is most famous for its catastrophic eruption on May 18, 1980 at 08:32 Pacific Standard Time. The eruption was the most deadly and economically destructive volcanic event in the history of the United States.

What are 3 interesting facts about Mt St Helens?

Here are five facts about the stratovolcano.

Before erupting, the volcano was 9,677 feet.
Over 230 square miles of forest was destroyed in minutes.
The volcano has had numerous eruptions.
The blast killed USGS scientist David Johnston.
Native Americans abandoned hunting grounds at the volcano 3,600 years ago.

Why was Mount St Helens so significant?

Helens sparked the advances in cutting-edge volcano science and monitoring that exist today. Mount St. Helens turned out to be the ideal laboratory to study volcanic activity. The 1980 eruption was the first large explosive eruption studied by scientists and observers using modern volcanology.

How is Mount St Helens different from other volcanoes?

Mount St. Helens is a stratovolcano, a steep-sided volcano located in the Pacific Northwest region of the United States in the state of Washington. Helens is the most active volcano within the Cascade Range and has the highest probability out of all U.S. volcanoes other than Hawaii and Alaska to erupt in the future

Why is Mount St Helens important?

How has Mount St Helens been useful to ecologists?

Living and dead organisms left after the eruption, termed biological legacies, accelerated recovery at Mount St. Helens. Surviving plants, fungi, and animals served many ecological functionsplants provided forage and shelter, animals were prey and predators, and so forth.

What does Mt St Helens produce?

Mt. St. Helens typically generates explosive pyroclastic eruptions, in contrast to many other Cascade volcanoes, such as Mt. Rainier which typically generates relatively non-explosive eruptions of lava.

What are 3 interesting facts about Mount Saint Helens?

Here are five facts about the stratovolcano.

Before erupting, the volcano was 9,677 feet.
Over 230 square miles of forest was destroyed in minutes.
The volcano has had numerous eruptions.
The blast killed USGS scientist David Johnston.
Native Americans abandoned hunting grounds at the volcano 3,600 years ago.

How old is Mount St. Helens?

Here are five facts about the stratovolcano.

Before erupting, the volcano was 9,677 feet.
Over 230 square miles of forest was destroyed in minutes.
The volcano has had numerous eruptions.
The blast killed USGS scientist David Johnston.
Native Americans abandoned hunting grounds at the volcano 3,600 years ago.

When was Mount St. Helens facts?

Helens? The eruptive history of Mount St. Helens began about 40,000 years ago with dacitic volcanism, which continued intermittently until about 2,500 years ago.

How tall is St Helens?

How old is Mt St Helens volcano?

Mount St. Helens
Geology
Age of rock	< 40,000 yrs
Mountain type	Active stratovolcano (Subduction zone)
Volcanic arc	Cascade Volcanic Arc

How long ago was Mount St. Helens?

The volcano was formed during four eruptive stages beginning about 275,000 years ago and has been the most active volcano in the Cascade Range during the Holocene. Prior to about 12,800 years ago, tephra, lava domes, and pyroclastic flows were erupted, forming the older St.

Is Mount St. Helens the oldest volcano?

According to the U.S. Geological Survey (USGS), Mount St. Helens began growing before the end of the Ice Age; its oldest ash deposits date to at least 40,000 years ago. Yet the visible portion of the volcanothe coneis much younger. Geologist believe it formed over the last 2,200 years.