The Michigan Daily-Thursday, May 29, 1980-Page 5
Quakes shake
Mt. St. Helens
area; eruptions
could continue
VANCOUVER, Wash. (AP) - A pair
of earthquakes shook the area around
Mount St. Helens yesterday and scien-
tists warned that another massive
eruption could come from the volcano
at any time.
The volcano, which exploded May 18
with a fury that left incalculable
devastation, continued to simmer,
spewing a plume of steam and ash three
miles high.
WITH THE death toll at 21 and 71
people listed as missing, a dozen
helicopters searched under clearing
skies for possible survivors. But
authorities said there is little chance of
finding any more people alive and the
air search probably will be called off by
the weekend.
Rescuers brought out 128 survivors in
the first two days following the erup-
tion, but since then have found only
dead bodies and a German shepherd
with her pups.
Two moderate earthquakes shook
Mount Margaret, about eight miles nor-
th-northwest of the volcano yesterday,
but scientists did not know what con-
nection they had with Mount St. Helens.
THE MOUNT Margaret quakes,
measuring 4.0 and 3.8 on the Richter
scale, were felt as far away as Kelso
and Longview, 40 miles to the west.
They also rattled the Cowlitz County
jail in Longview.
The quakes were the first significant
seismic activity near Mount St. Helens
since a 90-minute harmonic tremor
throbbed through the mountain
Tuesday afternoon. Harmonic tremors
are rhythmic ground movements which
geologistsbave linked to steam and ash
emissions and which may signal the
movement of magma within or below
the mountain.
Scientists have had little luck
forecasting what the mountain would
do since it first started acting up three
months ago. However, Dwight Cran-
dell, chief of hazards evaluation for the
U.S. Geological Survey, outlined a new
scenario of potential hazards.
"As long as we are getting any gas-
rich magma coming out of the volcano,
there is a chance of a large eruption
anytime," he said. Magma is molten
rock.
Crandell said lateral eruptive blasts,
like the one on May 18, could cause
damage extending about 12 miles north
of the mountain. He said pyroclastic
flows - streams of superheated rock -
could come down any slope of the
volcano, touching off mudflows.
AP Photo
ARMY PFC PAT PUIIR of the 9th Infantry Division, Fort Lewis, Wash.,
walks towards an abandoned campsite near the foot of Mount St. Helens
Tuesday as the search for 68 missing persons continues. Twenty-one persons
have been declared dead after the volcano erupted May 18, spreading death
and destruction.
Fuel tankr-
RING SPECIAL
rams bus,
20 killed
in inferno
SWIFT CURRENT, Saskatchewan
(AP)-A fuel-tank truck smashed into
the rear of a bus carrying a CP Rail
crew about 20 miles west of here
yesterday and exploded in flames,
killing more than 20.
Bodies of some victims were scat-
tered on the shoulder of the Trans-
Canada Highway near the Alberta-
Saskatchewan borders. Some survivors
were badly burned.
"'WHEN WE GOT the fire out, there
were four more bodies between the bus
and the semi-tanker that were burned,"
said John Martin of nearby Webb,
Saskatchewan, one of the first persons
on the scene.
"Finally, when we got the fire cooled
down or calmed so that we could get to
the bus body, we lifted it.. . and found
about 20 to 24 guys. There were some
more bodies underneath it. They were
underneath the body of the bus right on
the highway."
Asked if they were dead, Martin
replied: "They were. We loaded some
in 'the back of a half-tone before the
ambulances got there."
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