Mount Rainier, the highest peak in the Cascade Range at 4,392m (14,410 ft), forms a dramatic backdrop to the Puget Sound region.

Although Mount Rainier has not produced a significant eruption in the past 500 years, it is potentially the most dangerous volcano in the Cascade Range because of its great height, frequent earthquakes, …

Nov 7, 2023 · 500,000 years ago marks the beginning of the voluminous and continuous volcanic rock record that we call Mount Rainier. For the first approximately 80,000 years the new volcano was …

Nov 8, 2023 · This map shows areas that could be affected by debris flows, lahars, lava flows, and pyroclastic flows from Mount Rainier if events similar in size to past events occurred today.

Nov 8, 2023 · Volcanism occurs at Mount Rainier and other Cascades arc volcanoes because of the subduction of the Juan de Fuca Plate off the western coast of North America. Mount Rainier is not …

Aug 25, 2025 · Mount Rainier is an active, ice-clad stratovolcano geographically located within the Mount Rainier National Park. Mount Rainier is located about 45 miles (73 km) southeast of Tacoma …

Mount Rainier remains an active volcano, its behavior has been relatively the same over the past half-million years. It will continue to grow, erupt, and collapse as time goes on with volcanic activity being …

Nov 4, 2023 · When Mount Rainier erupts again, volcanic activity may affect people living in the surrounding areas, those visiting Mount Rainier National Park, and potentially those flying overhead.

Although Mount Rainier has not produced a significant eruption in the past 500 years, it is potentially the most dangerous volcano in the Cascade Range because of its great height, frequent earthquakes, …

Geology and History Summary for Mount Rainier Volcanism occurs at Mount Rainier and other Cascades arc volcanoes because of the subduction of the Juan de Fuca Plate off the western coast …