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Mount St. Helens Sends Up Plume of Steam

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Mount St. Helens Sends Up Plume of Steam

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Mount St. Helens Sends Up Plume of Steam

Mount St. Helens Sends Up Plume of Steam

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  • <iframe src="https://www.npr.org/player/embed/4060555/4060556" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Activity has persisted at Mount St. Helens, seen here on Oct. 1, 2004. John Pallister/USGS hide caption

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John Pallister/USGS

Mount St. Helens releases a plume of steam, sparking speculation that the volcano may erupt in coming weeks. The mountain has exhibited tremors and small earthquakes in the past week. Hear NPR's Melissa Block and Dan Miller of the Cascades Volcano Observatory.