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- Title
Deep neogene structure and modern seismicity of the southern part of the Koryak Highland academician.
- Authors
Fedotov, S. A.; Chekhovich, V. D.; Egorkin, A. V.
- Abstract
The Northern Kamchatka and southern part of the Koryak Highland is considered to be an accretion-collision system in the Late Cretaceous and Cenozoic the development of which was caused by the subsequent accretion of various large terranes to the Asian continental margin. The Paleogene Goven Terrane accreted in the Miocene closes this system. Its boundary with the Olyutor Terrane is hidden under the Cenozoic sediments of the Il'pino-Pakhachino interarc trough. The destructive Khaily (March 8, 1991) and Olyutor (April 20, 2006) earthquakes are characterized by an aftershock area extended in the northeastern direction along the axial part of the Il'pino-Pakhachino trough. The aftershock area was intersected by a profile of the earthquake converted-wave method (ECWM) the interpretation of which reveals a correlation loss of the deep reflecting horizons under this area and three faults dipping to the southeast on seismograms.
- Subjects
RUSSIA; NEOGENE paleoclimatology; PALEOSEISMOLOGY; PALEOGEOPHYSICS; GEOPHYSICS; SEISMOLOGY; EARTHQUAKE aftershocks; SEISMOMETRY; SEISMOGRAMS
- Publication
Doklady Earth Sciences, 2011, Vol 437, Issue 2, p455
- ISSN
1028-334X
- Publication type
Article
- DOI
10.1134/S1028334X1104012X