Published March 1959
| public
Journal Article
Determination of crustal structure from phase velocity of Rayleigh waves. Part III: The United States
- Creators
- Ewing, Maurice
- Press, Frank
Chicago
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Abstract
Variations in phase velocity of Rayleigh waves from the Samoa earthquake of April 14, 1957 are reported for the United States. These variations are correlated with topography and Bouguer gravity anomaly on a continental scale, demonstrating regional iso-static compensation. The correlation of phase-velocity variations with crustal-thickness changes is justified, and permits specification of the mechanism of compensation as the regional Airy system. Regional average crustal thicknesses are: Peninsular Ranges and Southwestern Desert, 40 km; Basin and Range Province, 48 km; Rocky Mountains, 47 km; Interior Plains, 35–41 km; Appalachian Mountains, 40km.
Additional Information
Copyright © 1959, The Geological Society of America, Inc. Received April 21, 1958.Additional details
- Eprint ID
- 48095
- Resolver ID
- CaltechAUTHORS:20140806-123353375
- Created
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2014-08-06Created from EPrint's datestamp field
- Updated
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2021-11-10Created from EPrint's last_modified field
- Other Numbering System Name
- Caltech Division of Geological Sciences
- Other Numbering System Identifier
- 874