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Mount Rainier [a] (/ r eɪ ˈ n ɪər / ray-NEER), also known as Tahoma, is a large active stratovolcano in the Cascade Range of the Pacific Northwest in the United States. The mountain is located in Mount Rainier National Park about 59 miles (95 km) south-southeast of Seattle. [9]
The snowcapped peak of Mount Rainier, which towers 4.3 kilometers (2.7 miles) above sea level in Washington state, has not produced a significant volcanic eruption in the past 1,000 years.
Mapping from the Pacific Northwest Seismic Network shows that the bulk of the earthquakes in western Washington are concentrated in four places: in two narrow zones under Mount Saint Helens and Mount Rainier, along the DDMFZ, and under Puget Sound between Olympia and approximately the Southern Whidbey Island Fault. [5]
Mount Rainier, a 4,392 m (14,411 ... earthquakes, or interactions with groundwater. Some of these triggers operate only under limited conditions. ... had been dormant ...
Mount Rainier is central to Tacoma’s identity, so much so that it appears on the city’s logo. But as CNN recently reported, the striking mountain is also an active volcano — and no one knows ...
Two long-dormant “supervolcanoes” on two separate continents appear to be stirring to life. Well, maybe. In recent months, more than a thousand minor earthquakes have rattled the area around ...
Washington has a majority of the very highest volcanoes, with 4 of the top 6 overall, although Oregon does hold a majority of the next highest peaks. Even though Mount Rainier is the tallest, Mount Shasta in California is the largest by volume, followed by Washington's Mount Adams. Below is a list of the highest Cascade volcanoes:
Mount Hood erupted in 1781–82; fumaroles on the summit still spew sulfurous gas. Mount Shasta erupted in 1786. The Volcano erupted about 150 BP, producing a 22.5 km (14.0 mi) long lava flow. Mount Rainier erupted 1854. Mount Baker erupted in 1880; fumaroles still occur at its summit. Ruby Mountain might have erupted in 1898. Lassen Peak ...