Showing posts with label Kamchatka. Show all posts
Showing posts with label Kamchatka. Show all posts

Wednesday, March 7, 2012

Kamchatka's Bezymianny Volcano At Highest Alert Level

(Reposted from KVERT)

Bezymianny report from KVERT:
Issued: 20120306/2332Z
Current AVIATION COLOR CODE: RED
Source: KVERT
Notice Number: 14-12
Volcano Location: 55°58'N, 160°36'E;
Area: Kamchatka, Russia
Summit Elevation: 9,496 ft (2,895 m)

Prognosis of Volcanic Activity: Activity of the volcano continuously increases. Strong ash explosions up to 43,000 ft (13 km) a.s.l. possible at any time. Ongoing activity could affect international and low-flying aircraft.Volcanic Activity Summary: Activity of the volcano remains high. Seismic activity began to grow on February 12: about 7-19 weak seismic events were registering each day till February 29; about 25-43 weak seismic events and episodes volcanic tremor were recorded each day on March 01-05. Probably there is a preparation of a strong explosive eruption of the volcano. According to satellite data, a size and a brightness of a thermal anomaly abrupt increased on March 02, and continues to increase.Volcanic cloud height: No ash cloud produced at present.Other volcanic cloud information: No ash cloud produced at present.Remarks: Bezymianny volcano is one the most active volcano of the world. In 1955, for the first time in history, Bezymianny started to erupt and after six months it produced a catastrophic eruption with the total volume of eruptive products over 3 km3. The lava dome began to grow in the explosive caldera immediately after the catastrophe and continues at now. 42 Vulcanian-type strong explosive eruptions of Bezymianny occurred in 1965-2011, while 20 of them producing ash up to 10-15 km a.s.l. Last explosive eruption occurred on April 13, 2011.