The August 27, 2008, M W = 6.3, Kultuk earthquake effects in the Nearepicenter zone: Macroseismic survey results

In this work, the macroseismic effects of the Kultuk earthquake (M ^sub W^ = 6.3), which took place on August 27, 2008 in the southwestern closure of the Baikal Lake, are under consideration. The intensity of shocks in inhabited localities located in the epicentral zone reached 7-8 points on the MSK...

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Bibliographic Details
Published in:Seismic instruments 2010-03, Vol.46 (2), p.107-120
Main Authors: Radziminovich, Ya. B., Imaev, V. S., Radziminovich, N. A., Ruzhich, V. V., Smekalin, O. P., Chipizubov, A. V.
Format: Article
Language:English
Subjects:
Earthquakes
Landslides
Rockslides
Seismic activity
Seismology
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Summary:In this work, the macroseismic effects of the Kultuk earthquake (M ^sub W^ = 6.3), which took place on August 27, 2008 in the southwestern closure of the Baikal Lake, are under consideration. The intensity of shocks in inhabited localities located in the epicentral zone reached 7-8 points on the MSK-64 scale. The earthquake was named after the local settlement of Kultuk, which was the mostly damaged area by the earthquake. The considered seismic event caused significant material damage (about 250 million rubles according to preliminary estimates). In inhabited localities of Southern Pribaikalie thousands of cases of damaged ovens and chimneys were registered. Some buildings were highly damaged and, accordingly, they are unfit for further use. The earthquake was the cause of numerous rockslides, rockfalls, and landslides on steep natural and artificial slopes. A macroseismic survey allowed us to establish the asymmetrical distribution of the intensity of shocks relative to the epicenter.[PUBLICATION ABSTRACT]
ISSN:0747-9239
1934-7871
DOI:10.3103/S0747923910020027