Other Cascades Volcanoes
Metropolitan Portland, Oregon, like Auckland, New Zealand, includes most of a Plio-Pleistocene volcanic field.
Although Mount Rainier (Washington) has not produced a significant eruption in the past 500 years, it is potentially the most dangerous volcano in the
Eruptions in the Cascades have occurred at an average rate of 1-2 per century during the last 4000 years, and future eruptions are certain.
During the past 10,000 years, about 60 giant debris flows from Mount Rainier have filled river valleys to a
Eruptions of Mount Rainier usually produce much less volcanic ash than do eruptions at
The major peaks in the US part of the Cascade Range are (from north to south) Mount Baker, Glacier Peak, Mount Rainier, Mount St.
Several lofty volcanic peaks dominate the Cascade Range of the Pacific Northwest; the principal part of the range extends from
Debris flows pose the greatest hazard to people near Mount Rainier.
Mount Rainier, in Washington State, is the tallest (4,392 meters, 14,410 feet) volcano in the Cascade Range but it is only the third most voluminous volcano after Mounts
The Three Sisters area (Oregon) contains 5 large volcanic cones of Quaternary age-- North Sister, Middle Sister, South Sister,