Question: What was the argon gas in Mt St Helens?

What gases are scientists looking for when they fly over Mount St. Helens?

Sulfur dioxide and hydrogen sulfide are the two most abundant sulfur bearing gas types (species) at Mount St. Helens.

What materials came out of Mt St Helens?

Helens mixed with ice, snow, and water to create lahars (volcanic mudflows). The lahars flowed many miles down the Toutle and Cowlitz Rivers, destroying bridges and lumber camps. A total of 3,900,000 cubic yards (3,000,000 m3) of material was transported 17 miles (27 km) south into the Columbia River by the mudflows.

What speed was the gas moving during the Mt St Helens eruption?

Then, beginning just after noon, swift avalanches of hot ash, pumice, and gas (pyroclastic flows) poured out of the crater at 50 to 80 miles per hour and spread as far as 5 miles to the north.

What caused Mount St. Helens?

Forty years ago, after two months of earthquakes and small explosions, Mount St. Helens cataclysmically erupted. A high-speed blast leveled millions of trees and ripped soil from bedrock. The eruption fed a towering plume of ash for more than nine hours, and winds carried the ash hundreds of miles away.

How many died in Mt St Helens?

57 people It was shortly after 8:30 a.m. on May 18, 1980 when Mount St. Helens erupted in Washington state. The eruption would quickly become the deadliest in U.S. history, killing 57 people. The destruction caused more than $1 billion in damage.

How many died Mt St Helens?

57 people It was shortly after 8:30 a.m. on May 18, 1980 when Mount St. Helens erupted in Washington state. The eruption would quickly become the deadliest in U.S. history, killing 57 people.

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