Research Directed toward the Use of Long and Intermediate Period Seismic Waves for the Identification of Seismic Sources.

During the reporting period progress was made in combining long period seismic radiation with independent tectonic information inferred from the global tectonic patterns to constrain the focal mechanisms of events at teleseismic observation distances. In particular the use of the surface wave radiat...

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Bibliographic Details
Main Author: McCamy,Keith
Other Authors: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY PALISADES N Y
Format: Text
Language:English
Published: 1974
Subjects:
Seismology
*Seismic waves
*Seismic detection
*Lithosphere
Sources
Earthquakes
Seismometers
Tectonics
Identification
South Atlantic Ocean
Faults(Geology)
Earth crust
Rayleigh waves
Continental shelves
Anomalies
Oceanic crust
Asia
Intermediate period seismometers
Long period seismometers
Scotia Sea
Online Access:http://www.dtic.mil/docs/citations/AD0778827
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=AD0778827
Description
Summary:During the reporting period progress was made in combining long period seismic radiation with independent tectonic information inferred from the global tectonic patterns to constrain the focal mechanisms of events at teleseismic observation distances. In particular the use of the surface wave radiation pattern to solve the focal mechanism of events too small to yield useful body waves has been extended to anomalous intraplate events in Central Asia. The effect of multiple ruptures and other source time-function complications on surface wave focal mechanism determinations is under investigation as part of a tectonic study of the Scotia Sea region. (Modified author abstract) See also AD-774 472.

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