We use GPS measurements and models of postseismic deformation caused by seven M6.8 to 8.4 earthquakes that occurred in the past 100 years in Mongolia to assess the viscosity of the lower crust and upper mantle. We find an upper mantle viscosity between 1 Â 10 18 and 4 Â 10 18 Pa s. The presence of such a weak mantle is consistent with results...
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2003 (v1)Journal articleUploaded on: December 4, 2022
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2003 (v1)Journal article
Mogod earthquake (sequence). Each of the larger (M ! 8) earthquakes involved strike-slip faulting averaging more than 5 m and rupture lengths of several hundred kilometers. Available geologic data indicate that recurrence intervals on the major source faults are several thousands of years and distances of about 400 km separate the respective...
Uploaded on: December 4, 2022