(CNN) — Here's a look at Mount St. Helens, the most active volcano in the Cascade Mountains in Washington. Facts: Mount St. Helens is a volcano in the Cascade Mountains, in the area called the Mt. St.

Forty-five years ago on May 18, 1980, Mount St. Helens in the state of Washington violently erupted. Here’s a look at volcanoes, then and now. The 1980 Mount St. Helens eruption began with a steady ...

May 18 is a big day in regional history. And this year, that date has some extra significance, as it marks the 40th anniversary of the May 18, 1980 eruption of Mount St. Helens. Many local and ...

Washington state’s Mount St. Helens erupted catastrophically in 1980, killing 57 people. That eruption sent ash soaring over 80,000 feet and raining down as far as 250 miles away. Mauna Loa is not ...

Deadliest volcanic eruption: The 1815 eruption of Mount Tambora in Indonesia, which killed up to 100,000 people From lava fountains to towering ash clouds, volcanoes produce some of the most dramatic ...

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 Service ...