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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.
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 ]
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] Mount St. Helens itself is 30 miles (48 km) east of the park.
Cowlitz River Public Access Park (Packwood Park) 2022 Packwood - 105 Alta Drive 4.06 acres (1.64 ha) The park provides access to the Cowlitz River and hosts a nature trail. [2] [8] [3]: 69 Hopkins Hill Mt. St. Helens Viewpoint 1982 Morton - Short Road An undeveloped natural area, it provides a southern view of the crater of Mt. St. Helens.
Mount St. Helens seen from the Windy Ridge Viewpoint in 1985 Windy Ridge is at the center of this map of Mount St. Helens National Volcanic Monument. Windy Ridge is a ridge and eponymous Forest Highway in the Mount St. Helens National Volcanic Monument. The ridge goes between Windy Pass and Independence Pass, 1 mile (1.6 km) east of Spirit Lake ...
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]
To compare, Mt. St. Helens' eruption in 1980 was a level 4. Known as a super eruption for its magnitude, the event emptied out enough volcanic material to produce the 30-by-40-mile-wide caldera.
Prior to 1980, Spirit Lake consisted of two arms that occupied what had been the valleys of the North Fork Toutle River and a tributary. About 4,000 years ago, these valleys were blocked by lahars and pyroclastic flow deposits from Mount St. Helens to form the pre-1980 Spirit Lake. The longest branch of Spirit Lake was about 2.1 miles (3.4 km ...