Wednesday, October 13, 2004

SEATTLE (AP) — 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 yesterday 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 violent bursts. But they said any eruption probably would be far less dangerous than the cataclysmic explosion in 1980 that blasted away much of the mountaintop and killed 57 persons.

The area immediately around the mountain remains closed.

The molten rock, or magma, rising inside the mountain has been depositing itself on the crater floor inside the volcano, halfway up the 8,634-foot peak, creating a “fin” of rock estimated Tuesday at 60 to 90 feet tall and 150 to 180 feet wide.

Scientists calculate its growth rate at about 70 to 100 cubic feet per second, said Jeff Wynn, chief scientist for volcano hazards. That’s enough new rock to fill an Olympic-size swimming pool in about 15 minutes.

“‘Til you’re actually down on it, you can’t imagine how huge it is,” Mr. Wynn said.

The fin, at about 750 degrees, has a pinkish cast “like medium roast beef,” geologist Tina Neal of the U.S. Geological Survey said.

The glowing rock itself can be seen only from above, from aircraft.

Lava first reached the surface Monday, after 2 weeks of rumblings and steam and ash bursts from the mountain.

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