employee from 01.01.2022 until now
Lomonosov Moscow State University
Russian Federation
Moscow, Russian Federation
VAK Russia 1.6
UDC 550.34.013.2
UDC 55
UDC 550.34
UDC 550.383
CSCSTI 37.31
CSCSTI 37.01
CSCSTI 37.15
CSCSTI 37.25
CSCSTI 38.01
CSCSTI 36.00
CSCSTI 37.00
CSCSTI 38.00
CSCSTI 39.00
CSCSTI 52.00
Russian Classification of Professions by Education 05.06.01
Russian Library and Bibliographic Classification 26
Russian Trade and Bibliographic Classification 6323
Russian Trade and Bibliographic Classification 63
BISAC SCI082000 Earth Sciences / Seismology & Volcanism
BISAC SCI SCIENCE
The paper is devoted to the analysis of spatiotemporal grouping of volcanic seismicity events confined to the Augustine volcano in Alaska. Heterogeneity of the seismic regime in the final preparation stage of the 2006 eruption was revealed relative to the regimes during periods of calm and the initial stage of seismic activation. This final stage is presumably associated with the process of magma intrusion into the dike, upon completion of which the eruption began. A detailed analysis of the seismicity of this phase revealed two seismic regimes that differ in their main characteristics. One of the regimes is similar in parameters to that observed at the early preparation stage – a high value of the magnitude-frequency distribution slope parameter (𝑏-value) and a low degree of clustering. The second has a lower b-value and represents a series of clusters ending with the strongest event in the series, followed by a lull.
volcanic seismicity, clustering of seismicity, nearest neighbor method, volcanic swarms
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