The last eruption of Mount Rainier is thought to have occurred in 1894, when small explosions at the mountain's summit were observed. The last magmatic eruption the volcano experienced was over 1,000 years ago.
Mount Rainier is located in Washington state and is classified as an active volcano that is currently experiencing a period of rest between eruptions. The volcano is the highest peak in the Cascade Range, and is considered to be one of the most dangerous volcanoes in America. Mount Rainier is believed to have experienced over a dozen eruptions since the end of the last ice age.