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Tilt and Seismicity Changes in the Shumagin Seismic Gap

Beavan, J. and Hauksson, E. and McNutt, S. R. and Bilham, R. and Jacob, K. H. (1983) Tilt and Seismicity Changes in the Shumagin Seismic Gap. Science, 222 (4621). pp. 322-325. ISSN 0036-8075. https://resolver.caltech.edu/CaltechAUTHORS:20130422-105232007

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Abstract

Changes in the ground surface tilt and in the rate of seismicity indicate that an aseismic deformation event may have occurred between 1978 and 1980 along the plate boundary in the eastern Aleutians, Alaska, within the Shumagin seismic gap. Pavlof Volcano was unusually quiescent during this period. The proposed event would cause an increase of stress on the shallow locked portion of the plate boundary, bringing it closer to rupture in a great earthquake.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1126/science.222.4621.322DOIArticle
http://www.sciencemag.org/content/222/4621/322.abstractPublisherArticle
http://www.jstor.org/stable/1691628JSTORArticle
ORCID:
AuthorORCID
Hauksson, E.0000-0002-6834-5051
Additional Information:© 1983 American Association for the Advancement of Science. Received for publication 4 March 1983. Revision received 27 May 1983. We thank Tom Ray, Margie Winslow, and Ken Hurst who helped with the leveling measurements; Mary Ann Luckman, John Armbruster, and Stephen Rosen who participated in the data reduction; and David Simpson, Lynn Sykes, and an anonymous reviewer who made helpful comments on the text. This work was supported by National Science Foundation grant EAR 79-10608; U.S. Geological Survey National Earthquake Reduction Program contracts 14-08-000117679, 19745 and 21246; Department of Energy contract DE-AS02-76ERO3134; and National Oceanic and Atmospheric Administration contract NOAA-03-5-022-70. This is Lamont-Doherty Geological Observatory Contribution No. 3529.
Group:Seismological Laboratory
Funders:
Funding AgencyGrant Number
NSFEAR 79-10608
USGS14-08-000117679
USGS19745
USGS21246
Department of Energy (DOE)DE-AS02-76ERO3134
National Oceanic and Atmospheric Administration (NOAA)NOAA-03-5-022-70
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Lamont-Doherty Geological Observatory Contribution3529
Issue or Number:4621
Record Number:CaltechAUTHORS:20130422-105232007
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20130422-105232007
Official Citation:Tilt and Seismicity Changes in the Shumagin Seismic Gap J. BEAVAN, E. HAUKSSON, S. R. MCNUTT, R. BILHAM, and K. H. JACOB Science 21 October 1983: 222 (4621), 322-325. [DOI:10.1126/science.222.4621.322]
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:38064
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:22 Apr 2013 23:29
Last Modified:03 Oct 2019 04:53

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