[ Volcano ] Bezymianny volcano eruption on May 31, 2010

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Bezymianny volcano eruption on May 31, 2010
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Dear colleagues!

Volcanological experience of Bezymianny volcano study to allow KVERT staff to predict this eruption.

On May 20, 2010 I sent you my letter:
"According to satellite data by AVO and KVERT staff, a temperature of
the thermal anomaly over the lava dome of Bezymianny volcano began
increasing from May 19 (from -1 (9:49 UTC) to +18 (15:52 UTC) degrees of C).
Possibly a new lava block extrudes at the lava dome of Bezymianny.
And this stand for a preparation of new strong explosive eruption of Bezymianny volcano.
Possibly this explosive eruption of Bezymianny volcano can occurs during May 21 - May 30 or May 21 - June 10."

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On May 24, 2010, 02:20 UTC KVERT changed AVIATION COLOR CODE for BEZYMIANNY VOLCANO from YELLOW to ORANGE.
Kamchatkan and Northern Kuriles Volcanic Activity
KVERT INFORMATION RELEASE 23-10
Monday, May 24, 2010, 02:20 UTC (14:20 KDT)
BEZYMIANNY VOLCANO: 55°58'N, 160°36'E; Elevation 2,882 m
CURRENT AVIATION COLOR CODE IS ORANGE
PREVIOUS AVIATION COLOR CODE WAS YELLOW
Activity of the volcano gradually increased. Possibly a new explosive eruption of the
volcano is preparing. According to  satellite data, a temperature of thermal
anomaly over the lava dome continues to increasing from 18 degrees of Celsius on May
19, to 48.8 degrees of Celsius on May 23.
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And the eruption of Bezymianny occurred!
Kamchatkan and Northern Kuriles Volcanic Activity
KVERT INFORMATION RELEASE 25-10
Monday, May 31, 2010, 20:45 UTC (June 01, 08:30 KDT)
BEZYMIANNY VOLCANO: 55°58'N, 160°36'E; Elevation 2,882 m
CURRENT AVIATION COLOR CODE IS RED
PREVIOUS AVIATION COLOR CODE WAS ORANGE
Strong explosive eruption of Bezymianny volcano occurred from 12:34 till 12:50 UTC on
May 31, according to seismic data. Ash fall in Kozyrevsk village is continuing. The
volcano obscured by clouds.
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I would like to remember you that KVERT staff not work all day and all night: "KVERT staff is available in the office from 8:30 AM till 6:00 PM (KST or KDT) and by phone during the evenings".

Dr. Olga A. Girina.

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[ Volcano ]

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