Global Volcanism Program | Image GVP-02948

The valley floor in the foreground of this area of extensive logging SE of Mount St. Helens, in the distance, is covered by lava flows from West Crater and the Hackamore Creek scoria cone just NW of West Crater. Carbon fragments from a black tephra deposit produced by the Hackamore Creek scoria cone were dated to about 8,000 years. Photo by Lee Siebert, 1995 (Smithsonian Institution).

The valley floor in the foreground of this area of extensive logging SE of Mount St. Helens, in the distance, is covered by lava flows from West Crater and the Hackamore Creek scoria cone just NW of West Crater. Carbon fragments from a black tephra deposit produced by the Hackamore Creek scoria cone were dated to about 8,000 years.

Photo by Lee Siebert, 1995 (Smithsonian Institution).

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Keywords: lava dome | scoria cone | stratovolcano

West Crater