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Mount Hood, the nearest major volcanic peak in Oregon, is 60 miles (100 km) southeast of Mount St. Helens. Mount St. Helens is geologically young compared with the other major Cascade volcanoes. It formed only within the past 40,000 years, and the summit cone present before its 1980 eruption began rising about 2,200 years ago. [ 11 ]
It travels 52 miles (84 km) along the North Fork Toutle River to the Mount St. Helens area, serving as the main access to the Mount St. Helens National Volcanic Monument. The highway begins at an interchange with Interstate 5 (I-5) and SR 411 in Castle Rock and terminates at the Johnston Ridge Observatory near Spirit Lake.
The Mount St. Helens Visitor Center at Silver Lake, about 30 miles (48 km) west of Mount St. Helens and five miles (8 km) east of Interstate 5 (outside the monument), opened in 1987 by then-Vice President George H.W. Bush. The center was formerly operated by the U.S. Forest Service and has been operated by Washington State Parks since October 2007.
View the Mount St. Helens Fast Facts on CNN and learn more about the volcano in Washington.
Seaquest State Park is a public recreation area located on the western flank of Silver Lake in Cowlitz County, Washington. [2] The 505-acre (204 ha) state park is home to the Mount St. Helens Visitor Center, which offers displays on the Mount St. Helens volcanic eruption of 1980. [3]
Located in southern Washington state, Mount St. Helens is notorious for its eruption on May 18, 1980. The eruption of stratovolcano led to earthquakes and a massive landslide. University ...
Coldwater Peak is a 5,722 ft (1,740 m) mountain summit located in Mount St. Helens National Volcanic Monument, in the Gifford Pinchot National Forest, in Skamania County of southwest Washington state. [1]
Mount St. Helens, once the fifth-tallest peak in Washington State, lost about 1,300 feet from its height of 9,677, according to the USGS. The highest part of the crater rim on the southwestern ...