Asked by Cameryn Stewart on Jul 05, 2024
Verified
Earthquakes at Mount St. Helens prior to the major eruption in 1980 were caused by:
A) magma rising in the volcano
B) tectonic plate movement
C) landslides
Mount St. Helens
Mount St. Helens is an active stratovolcano located in the Cascade Range of the Pacific Northwest, famous for its catastrophic eruption on May 18, 1980.
Magma
Liquid rock found under the Earth's surface that can harden and transform into igneous rocks.
- Gain insight into the effects of volcanic eruptions occurring below ice sheets.
- Acquire knowledge about the consequences of volcanic eruptions on climate and ecosystems.
Verified Answer
AP
Alexis PolakJul 10, 2024
Final Answer :
A
Explanation :
Earthquakes at Mount St. Helens prior to the major eruption in 1980 were primarily caused by magma rising in the volcano, which created pressure and fractured rocks as it ascended.
Learning Objectives
- Gain insight into the effects of volcanic eruptions occurring below ice sheets.
- Acquire knowledge about the consequences of volcanic eruptions on climate and ecosystems.