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Global Volcanism Program | Image GVP-02910

A second large explosive eruption took place from Mount St. Helens on 25 May 1980. It produced an ash plume that rose 14 km above the volcano, but the volume of ash was minor compared to the catastrophic eruption of 18 May a week earlier. Photo by Darryl Lloyd, 1980 (courtesy U.S. Geological Survey).

A second large explosive eruption took place from Mount St. Helens on 25 May 1980. It produced an ash plume that rose 14 km above the volcano, but the volume of ash was minor compared to the catastrophic eruption of 18 May a week earlier.

Photo by Darryl Lloyd, 1980 (courtesy U.S. Geological Survey).

Keywords: eruption | explosive eruption | ash plume | ash | ashfall


St. Helens