Accession Number:

ADP204430

Title:

Lower Crustal and Upper-most Mantle Structure beneath Station WMQ, China by using Teleseismic P-wave Polarization Signals,

Descriptive Note:

Corporate Author:

LAMONT-DOHERTY EARTH OBSERVATORY PALISADES NY

Personal Author(s):

Report Date:

1995-08-14

Pagination or Media Count:

9.0

Abstract:

We have applied a polarization tomographic inversion to the single station WMQ to retrieve the velocity structure of the lower crust and upper-most mantle in the vicinity of Lop Nor. 828 teleseismic P-wave waveforms with event magnitude Mb 5.0 around the world with excellent coverage of back azimuth were collected and are used to measure polarization anomalies. In addition, 39 PKP signals are used. Inversion results reveal a low velocity region or a depressed Moho to the northwest of the WMQ station.

Subject Categories:

  • Government and Political Science
  • Geology, Geochemistry and Mineralogy
  • Seismology
  • Seismic Detection and Detectors
  • Nuclear Weapons

Distribution Statement:

APPROVED FOR PUBLIC RELEASE