Liu, Hsui-Lin and Kanamori, Hiroo
(1980)
Determination of source parameters of mid-plate earthquakes from the waveforms of body waves.
Bulletin of the Seismological Society of America, 70
(6).
pp. 1989-2004.
ISSN 0037-1106.
https://resolver.caltech.edu/CaltechAUTHORS:20140902-102429931
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Abstract
The source parameters and stress drops of five mid-plate earthquakes were determined by matching the synthetic and observed far-field P waveforms in the time domain. The stress drops estimated from these mid-plate events are on the order of a hundred to a few hundred bars. These values are significantly higher than those for interplate (30 bars) and intraplate (100 bars) earthquakes which occurred near the plate boundaries. The difference of the earthquake stress levels between mid-plate and plate boundary events may suggest a lateral variation of stress level in the lithosphere and provide important constraints on the driving mechanism of plate motion.
| Item Type: | Article |
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| Additional Information: | © 1980 Seismological Society of America.
Manuscript received March 19, 1980.
We would like to thank Wai Ying Chung for assistance in the early phases of this study, Tom Heaton
for critically reading the manuscript, John Cipar for useful discussions, and Seth Stein for comments on
the manuscript. This research was supported by the Earth Sciences Section, National Science Foundation
Grant EAR 78-11973. |
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| Funders: | | Funding Agency | Grant Number |
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| NSF | EAR 78-11973 |
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| Other Numbering System: | | Other Numbering System Name | Other Numbering System ID |
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| Caltech Division of Geological and Planetary Sciences | 3364 |
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| Issue or Number: | 6 |
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| Record Number: | CaltechAUTHORS:20140902-102429931 |
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| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20140902-102429931 |
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| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. |
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| ID Code: | 49102 |
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| Collection: | CaltechAUTHORS |
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| Deposited By: |
Tony Diaz
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| Deposited On: | 02 Sep 2014 20:04 |
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| Last Modified: | 09 Mar 2020 13:18 |
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