Mount St. Helens bubbling and boiling
February 23, 2005
MOUNT ST. HELENS, Washington -- Mount
St. Helens has shown an upswing in volcanic activity over the past two days,
U.S. volcano scientists reported.
Small collapses of hot rock from the south end of the lava dome -- which is
growing at a rate of about 15 feet per day -- have sent several ash clouds
upward and over the rim of the mile-wide crater, according to U.S. Geological
Survey scientists at Johnston Ridge Observatory, about five miles northeast of
the volcano.
About 3 a.m. Tuesday, scientists said they detected a seismic signal and
witnessed a bright glow inside the crater that persisted for about 15 minutes.
The glow apparently resulted from the collapse of material at the top of the
lava dome, which for that brief time exposed hot rock from deeper inside the
mountain.
The last major eruption at Mount St. Helens occurred in May 1980, when the
volcano lost nearly a quarter-mile of its elevation. The latest activity, which
began last Oct. 11, is not expected to result in a comparable event, scientists
said.
SOURCE: World Peace Herald