SPECIAL NOTICE:
From May 06, AVO will no longer
relay email information releases from
KVERT. Information regarding Kamchatkan
volcano activity is sent
directly from KVERT staff in
Petropavlovsk-Kamchatsky.
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Kamchatkan and Northern Kurile Volcanic Activity
INFORMATION RELEASE
52-05
Friday, September 23, 2005, 15:05 KDT (02:05
UTC)
SHEVELUCH VOLCANO: 56o38'N, 161o19'E;Elevation 3,283 m, the
dome elevation ~2,500 m.
CURRENT LEVEL OF
CONCERN COLOR CODE: ORANGE
PREVIOUS LEVEL OF CONCERN COLOR
CODE: RED
Activity of the volcano decreased.
According to seismic data, at 10:59 UTC on September 22, was
at the most strong seismic
signal of this eruption. A boom of this event was
heard at 9 km from the lava dome. A
separately shallow seismic signals were
registered from 11:30 till 24:00 UTC on September
22. These events indicated
possible ash plumes up to 3.5 km (11,500 ft.) ASL. According to
satellite
data by Russia, ash cloud with a diameter of ~15 km was located in ~20 km to
the
south-southeast from the volcano on a height about 3 km (9,800 ft.) ASL.
According to
visual data by seismologists, the run-out of new pyroclastic
flow is 10-15 km.
IF YOU HAVE ANY
QUESTIONS OR CONCERNS, PLEASE CONTACT:
Olga Girina, KVERT, IVS FED
RAS
E-mail: girina@kscnet.ruTel. (41522)
58627
Svetlana Droznina, KVERT, KB GS
RAS
E-mail: ssl@emsd.iks.ruTel. (41522) 59523
Tom Murray,
Scientist-in-Charge, AVO
E-mail: tlmurray@usgs.govTel.
907-786-7497
The Kamchatkan Volcanic Eruption Response Team (KVERT)
is a non-commercial cooperative
program of the Alaska Volcano Observatory
(AVO, USA), the Institute of Volcanology and
Seismology (IVS) FED RAS and the
Kamchatkan Branch of Geophysical Service(KB GS) RAS
(Russia). KVERT staff is
available in the office from 8:30 AM till 6:00 PM (KST or KDT)
and by phone
during the evenings. KVERT uses daily satellite imagery, information
from
remote scientific observation stations, real-time seismic data for 10
volcanoes, and other
information to monitor activity at Kamchatkan and
Northern Kurile Volcanoes.
The official web-page of KVERT (the
Institute of Volcanology and Seismology FED RAS):
http://www.kscnet.ru/ivs/kvert/index.html
Archive of daily information KB GS RAS:
ftp://emsd.iks.ru/pub/DATA/RTS/Volcanoes
.