Where is Mount St. Helens located?
Q: Where is Mount St. Helens located?
A: Mount St. Helens is located in the U.S. state of Washington, 96 miles (154 km) south of Seattle and 53 miles (85 km) northeast of Portland, Oregon.
Q: What mountain range does it belong to?
A: Mount St. Helens belongs to the Cascade Range of mountains and is part of the Cascade Volcanic Arc in the Pacific Ring of Fire that includes over 160 active volcanos.
Q: What does Louwala-Clough mean?
A: Louwala-Clough means "smoking" or "fire mountain" in the language of the Native American Klickitat people.
Q: When did its most famous eruption occur?
A: The most famous volcanic eruption at Mount St. Helens occurred on May 18, 1980.
Q: How large was the area made into a national monument after its 1980 eruption?
A: After its 1980 eruption, U.S President Ronald Reagan and Congress created a 110,000 acre (445 km²) area around Mount St. Helens as a National Volcanic Monument which is also part of Gifford Pinchot National Forest .
Q: What caused the 1980 eruption?
A: The 1980 eruption was caused by an earthquake measuring 5.1 on Richter scale which triggered a massive debris avalanche and released magma from Earth's mantle beneath it .
Q: How much damage did this volcano cause during its 1980 eruption?
A: During its 1980 eruption, 57 people were killed; 250 homes, 47 bridges, 15 miles of railways, and 185 miles of highway were destroyed due to this deadly volcano .
