Guardian
Saturday October 2, 2004 4:01 PM
By DAVID AMMONS
Associated Press Writer
MOUNT ST. HELENS, Wash. (AP) - Mount St. Helens quieted down after spewing a plume of steam and ash - but only briefly. Within hours of the eruption Friday, seismic readings suggested pressure was building again inside the volcano, which had been dormant for 18 years.
It began rumbling last week, set off by small earthquakes occurring as often as three or four times a minutes, and scientists said there could be more steam eruptions soon.
Friday's eruption, described by government scientist Jeff Wynn as a ``throat-clearing,'' was the sleeping giant's first since 1986. On May 18, 1980, Mount St. Helens blew its top with such force that 57 people lost their lives.
The volcanic burp cast a haze across the horizon as the roiling plume rose from the nearly 1,000-foot-tall dome. After about 20 minutes, the mountain calmed and the plume dissipated.
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