An curved arrow pointing right. Scientists are baffled as to where Mount St. Helens gets its lava from. Though the volcano is part of a cluster of volcanoes known as the North American Cascade Arc ...

VANCOUVER, Washington (CNN) -- A new lava dome inside Mount St. Helens' crater has sprouted a growth that extends upward nearly 330 feet, U.S. Geological Survey officials said Saturday.

The first event is Wednesday with Alysa Adams, lead interpretive specialist of the Mount St. Helens Visitor Center.

Rescuers followed footprints in the snow to find a weary and lost person after their cellphone died on Mount St. Helens over ...

When Mount St Helens erupted in 1980, the resulting lava, ash, and debris turned the landscape barren for miles around. It was clear the land would take a long time to recover from the eruption.

the colossal eruption of Mt. St. Helens in 1980 blasted away an entire mountainside. Over 200 square miles of pristine forest were buried under millions of tons of lava, ash, mud, and avalanche ...

From 1975: Two 1971 Ferris High School grads were “glad to be alive” after surviving an avalanche on Mount St. Helens. They ...

Snowmobilers, including one with a serious leg injury, were rescued following an avalanche on Mount St. Helens on Feb. 17 ...

Mount St. Helens is located in Washington, about 55 miles northeast of Portland, Oregon, and 95 miles south of Seattle. It is administered by the National Forest Service, not the National Park ...

Mount St Helens, in the Cascade Mountains, which had been growling and spewing earlier this spring, exploded with a mile-high column of steam and pumice; no lava, but vast eruptions of volcanic ash.