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34 votes
Which Washington State volcano erupted most recently, and when did it erupt?

User Buddhabrot
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1 Answer

13 votes
13 votes

Answer:

According to the internet, Mount St. Helens erupted in Washington state shortly after 8:30 a.m. on May 18, 1980. The eruption quickly became the deadliest in United States history, killing 57 people.

Step-by-step explanation:

User Tirdad Abbasi
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