Global Volcanism Program | Image GVP-03028

The 300 x 800 m wide Blue Lake Crater formed about 1,300 years ago during eruptions through pre-existing volcanic bedrock. A least three overlapping craters formed with ejecta forming a crater rim only 50 m above the pre-eruption surface. Photo by Lee Siebert, 1995 (Smithsonian Institution).

The 300 x 800 m wide Blue Lake Crater formed about 1,300 years ago during eruptions through pre-existing volcanic bedrock. A least three overlapping craters formed with ejecta forming a crater rim only 50 m above the pre-eruption surface.

Photo by Lee Siebert, 1995 (Smithsonian Institution).

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Blue Lake Crater