Tectonic position and geological manifestations of the Mogod (Central Mongolia), January 5, 1967, earthquake (a view after 40 years)

Rogozhin, E. A.; Imaev, V. S.; Smekalin, O. P.; Schwartz, D. P.

Abstract:

The earthquake source, reaching the surface in the form of an extended system of faults, encompassed the N-S and NW-SE planes of two large faults near their juncture zone. A revised seismotectonic study of the system of coseismic ruptures performed after many years revealed a complex structure of primary coseismic ruptures in the juncture area of fault branches of different directions. In addition to the two major faults, the juncture zone consists of intersecting or parallel branches of both structural directions. The trench study and detailed mapping of the shallow structure of the seismic rupture characterizes it as a right-lateral-thrust fault on the N-S branch and a strike-slip-reverse fault on the NW-SE branch. Results of our paleoseismogeological study indicate that equally strong earthquakes are likely to have occurred in the same seismic source in the past (about 8000 and 160 years ago). ?? Pleiades Publishing, Ltd. 2008.

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Article

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70000284

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Rogozhin, E. A.; Imaev, V. S.; Smekalin, O. P.; Schwartz, D. P.

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677

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English

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Izvestiya, Physics of the Solid Earth

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Tectonic position and geological manifestations of the Mogod (Central Mongolia), January 5, 1967, earthquake (a view after 40 years); 2008; Article; Journal; Izvestiya, Physics of the Solid Earth; Rogozhin, E. A.; Imaev, V. S.; Smekalin, O. P.; Schwartz, D. P.