Mount St. Helens takes its English name from that of the British diplomat Alleyne FitzHerbert, 1st Baron St Helens, a friend of explorer George Vancouver who surveyed the area in the late 18th century. [1] The volcano is part of the Cascade Volcanic Arc, a segment of the Pacific Ring of Fire.

Understanding the Context

Mount Saint Helens, volcanic peak in the Cascade Range, southwestern Washington, U.S. Its eruption on , was one of the greatest volcanic explosions ever recorded in North America. A total of 57 people and thousands of animals were killed in the event.