Using 1-Hz GPS data to measure deformations caused by the denali fault earthquake

Science

Volumn 300, Issue 5624, 2003, Pages 1421-1424

  Larson, Kristine M ^a   Bodin, Paul ^b   Gomberg, Joan ^c  

^a UCB 450   (United States)

^b UNIVERSITY OF MEMPHIS   (United States)

^c U S GEOLOGICAL SURVEY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BANDWIDTH; DEFORMATION; GLOBAL POSITIONING SYSTEM; SURFACE WAVES;

SURFACE DISPLACEMENTS;

EARTHQUAKES;

CRUSTAL DEFORMATION; DEFORMATION; EARTHQUAKE; FAULT SLIP; GPS; NEOTECTONICS; SEISMOMETRY;

AMPLITUDE MODULATION; ARTICLE; EARTHQUAKE; FREQUENCY ANALYZER; MEASUREMENT; MOLECULAR DYNAMICS; NORTH AMERICA; PRIORITY JOURNAL; SURFACE PROPERTY; UNITED STATES;

UNITED STATES;

EID: 0038442834     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.1084531     Document Type: Article

References (13)

1. P. Segall, J. L. Davis, Annu. Rev. Earth Planet. Sci. 25, 301 (1997).
2. J. Zhang et al., J. Geophys. Res. 102, 18035 (1997).
3. A. Mao, C. Harrison, T. Dixon, J. Geophys. Res. 104, 2797 (1999).
4. D. Eberhart-Phillips et al., Science, 300, 1113 (2003).
5. Information on materials and methods is available on Science Online.
6. R. Nikolaidis et al., J. Geophys. Res., doi: 10.1029/ 2001JB000329 (2001).
7. A number of stations across the western United States clipped (i.e., amplitudes exceeded the recording capabilities) with the passage of surface waves from the Denali fault earthquake. All of the Yellow-stone and Utah short-period seismometers (L4C and S13s) and some broadband seismometers (CMT-40) clipped in the Yellowstone array (11).
8. D. P. Hill et al., Science 260, 1617 (1993).
9. J. Gomberg, G. Pavlis, P. Bodin, Bull. Seismol. Soc. Am. 89, 1428 (2000).
10. Earthscope is a multidisciplinary NSF-funded project that includes seismology (USArray), geodesy (Plate Boundary Observatory), and borehole instrumentation (San Andreas fault at Depth). More information is available at www.earthscope.org.
11. R. Smith, personal communication.
12. The Harvard centroid moment tensor (CMT) for the Denali fault earthquake was taken from an online searchable database at www.seismology.harvard. edu/CMTsearch.html.
13. K.L. acknowledges NSF Grant EAR-0003943. G. Rosborough derived the coseismic constraints for the integration of seismic accelerations and produced the final form of Fig. 1 (Generic Mapping Tools). The International GPS Service Continuously Operating Reference Stations, Jet Propulsion Laboratory (section 335), Crustal Dynamics Data Information System, Scripps Orbits and Permanent Array Center, and UNAVCO, Inc., provided important infrastructure support for this study. C. Clarke of AeroMap U.S. provided the data from TEM1. K.L. thanks J. Freymueller, J. Ray, P. Shearer, Y. Bock, and W. Prescott for helpful discussions. Two anonymous reviewers provided helpful feedback that greatly improved the manuscript.