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Q for P waves in the sediments of the Virginia Coastal Plain

Bulletin of the Seismological Society of America

By:
, ,
DOI: 10.1785/0120070170

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Abstract

The seismic quality factor Q for P waves in Atlantic Coastal Plain sediments is estimated using data from the 2004 U.S. Geological Survey seismic survey in eastern Virginia. The estimates are based on spectral ratios derived from reflections and sediment-guided P waves in Late Cretaceous and Tertiary sediments within the annular trough of the Late Eocene Chesapeake Bay impact structure. The estimates of Q for the frequency range of 10-150 Hz are from 75 to 100, with the best estimate of 80 based on multichannel stacking of spectral ratios from receivers in the offset range of 200-2000 m. This result is approximately a factor of 2 larger than the results previously reported for the Charleston, South Carolina, area, and it is approximately one-half of that recently reported for the Mississippi Embayment.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Q for P waves in the sediments of the Virginia Coastal Plain
Series title:
Bulletin of the Seismological Society of America
DOI:
10.1785/0120070170
Volume
98
Issue:
4
Year Published:
2008
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
2022
Last page:
2032