Molten rock makes volcano glow red

The molten rock rising inside Mount St. Helens is giving the peak an eerie red glow at night.
Lava has been climbing to the surface at nearly 1,300 degrees for the past few days in a process that scientists said Wednesday could go on for days, weeks or months. At night, low-hanging clouds and the steam rising from the volcano reflect the glow of the red-hot stone inside the crater.
Scientists said they do not know how long the eruption might continue, or whether it will be marked by explosive blasts. – Molten rock makes volcano glow red – Oct 14, 2004

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