asked 156k views
5 votes
EAPS 100: What event triggered the main eruption of Mount St. Helens in May 1980?

a. Earthquake.
b. Volcanic gas emissions.
c. Glacial melting.
d. Lava flow.

asked
User Adrianm
by
8.2k points

1 Answer

6 votes
The main eruption of Mount St. Helens in May 1980 was triggered by an earthquake.
answered
User Wonster
by
7.5k points
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