national
Battalion/Page 12
April 7,1982
Volcano blows; scientists
say 1980 repeat unlikely
I
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United Press International
VANCOUVER, Wash. —
Seismic activity under Mount St.
Helens dropped significantly al
ter the volcano erupted three
times in 24 hours, but minor
emissions of steam and ash con
tinued Tuesday and scientists
were unsure what to expect
next.
The volcano blasted a plume
to about 14,GOO feet at 4:07 a.m.
Tuesday, but scientists didn’t
know whether the emission con
tained any ash because of heavy
cloud cover.
“We had a sizable event,” said
A.B. Adams of the University of
Washington Geophysics Depart
ment. “There’s lots of rain
around the mountain. It's possi
ble the plume went to 14,000
feet, but unless it gets to 20,000,
it’s hard to tell.
Seismically it was about as big
as another minor eruption Mon
day evening, he said.
“We’re sort of in limbo at the
moment,” said Bob Norris,
another volcano watcher at the
UW, when seismic activity chop
ped off Monday night.
“This does not mean that
we’re over with volcanic activ
ity.” Norris said. “We are still ex
pecting to see something since
the seismic activity has been so
high during the day.”
Norris said intense harmonic
tremors, indicating movement
of lava or gas somewhere inside
the volcano, were recorded after
the volcano blew plumes of
steam and ash to 28,000 and
32,000 feet Sunday night and
early Monday.
As small steam emissions con
tinued, the strong tremors sub
sided shortly after a third blast
Monday evening, he said.
“This activity is Very different
from what we’ve seen in the past
so we have no clear guidelines,”
Norris said. “It is still possible
we ll see some explosive activity
even though the seismic activity
has dropped off.”
He said the mountain’s status
could be likened to the decline in
seismic activity before the catac
lysmic May 18, 1980, eruption
that killed or buried 60 people.
But he said there were enough
differences to dispel any con
cerns the volcano was preparing
for a repeat performance.
“It’s still possible that we
could get a vertical eruption of
the same magnitude, with simi
lar amounts of ash as in 1980,
but the explosiveness would not
be the same,” he said. “Then we
had the entire summit providing
a cap on the pressure and now
we have just the (lava) dome.”
Steve Malone, director of the
UW Geophysics Department,
discounted the potential for
another explosive eruption. He
said it was much more likely the
volcano would produce a mild
event in which hardened mag
ma would be added to the 680-
foot lava dome in the volcano’s
crater.
“These seismic bursts of activ
ity and harmonic tremors seem
to be very shallow, just right in
the throat of the volcano, right
in the area around the dome,
and we assume largely produced
by the recent gases, mostly wa
ter,” Malone said.
“If this is the case, then it
doesn’t necessarily involve any
deep-seated, new source (of
magma),” he added.
The eruption at 5:20 p.m.
PST Monday was described as a
“small gas emission” that sent up
a cloud of steam with a small
amount of ash to an elevation of
about 23,000 feet — about
13,000 feet above the crater.
V
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$ ^
I
. A
FALL '82 M€ni PLAN
INFORMATION
FOR OFF CAMPUS STUDCNTS
Food Services will validate off campus students desir
ing a contract board plan, to dine at the facility of their
choice, limited only by the capacity of each facility.
There will be no quota or waiting list. Validation will
begin at the Sbisa Office on August 9. 1982, with
personal presentation of paid fee slip.
- !
U.
This won't hurt much
photo by Todd IVcxxW j
Chinook, 4-month-old patient of Dr. Chinook’s owner, brought the cat ini
Greg Troy, tries to move away from for treatment of ear mites. Trot
the stethescope as Troy checks the said ear mites are bugs that make
cat’s heartbeat. Wren Marsh, cats scratch their ears.
Thursday: LUNCH SPECIALS
— PORK CHOPS — $2.95
HAPPY HOUR: 4:00-7:00 p.m.
10:00 p.m.-12:00 p.m.
Baseball
takes trip
on shuttle
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OFFICIAL NOTICE
General Studies Program
Students who plan to Pre-Register for the Fall
Semester in the General Studies Program are
URGED to pick up a Pre-registration Form in
Room 100 of Harrington Tower from Mar. 29
thru Apr. 16.
United Press International !
CINGINNA I I — A basely
traveled 1.25 million mib«|
could be tossed 10 leet Mond:!
I he 1.25-millioii-inile W
was made last Noveniber, wbe
a baseball was part of thearf
of the space shuttle Coluinli
file ball was aboard soaspt I
cial ball could be used lor.ik
ceremonial l irsi pitch at M«
day’s National League optaK!
where the Chicago Cubs beaHi
Cancinnati Reds, 3-2.
Before the game, astron!
Joe Engle tossed the ball a iff fii
Reds’ catcher Alex Trail*
1 revino handed the ballf
astronaut Richard Truly, ttk
made a second ceremonial IW
to the catcher.
The ball will go to tJieBl
ball 1 bill of Fame, despite skj
tic ism about the ball being0}
t ied aboard the shuttle.
“It Hew," Truly said. “It4
on board. I can promiseyotij
took it“y\ith ns.”
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AGGIE
.
— -
Richard
mechanica
Dallas, rat
down the
NLE
char
United Pres
HOUSTON
Labor Relatic
asked two cons
withdraw comf
Oil, Chemica
Workers Unior
charged with b
tion at a Texac
The NLRB
complaint by
tion Co. and th
Brooks Constrc
the OCAW wa:
The board s
dence of const
being used tc
usually perfori
members.
The com pa
members were
struction of a $
lytic reforming
Port Arthur fa
be used to make
line.
BLOOD DRIVE
I
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IS HERE!
I
I
APRIL 5-8
There’
weeks
WUat a 'Wcui to. Cjiue). 13
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Wadley Central Blood Bank
in cooperation with APO, OPA
and Student Government
1
1
Hambui
All you ca
officers.
Class T-
Elephan
table. Wei
2nd Ann
teams • di
MEMBER!:
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..§•1982 UNIVERSAL CITY STUDIOS. INC