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Found 25 results

2011

Shallow structure of the Cascadia subduction zone beneath western Washington from spectral ambient noise correlation
Calkins, J.A.; Abers, G.A.; Ekström, G.; Creager, K.C.; Rondnay, S.
Journal of Geophysical Research
(2011)
Issue:
B07302
Volume:
116
doi:10.1029/2010JB007657

2010

Spatial and temporal melt variability at Helheim Glacier, East Greenland, and its effect on ice dynamics
Andersen, M. L.; Larsen, T.B; Nettles, M.; Elósegui, P.; van As, D.; Hamilton, G. S.; Stearns, L. A.; Davis, J. L.; Ahlstrøm, A. P.; de Juan, J.; Ekström, G.; Stenseng, L.; Khan, S. A.; Forsberg, R.; Dahl-Jensen, D.
J. Geophys. Res.
(2010)
F04041
Volume:
115
10.1029/2010JF001760
Sudden increase in tidal response linked to calving and acceleration at a large Greenland outlet glacier
de Juan, J.; Elosegui, P.; Nettles, M.; Larsen, T. B.; Davis, J. L.; Hamilton, G. S.; Stearns, L. A.; Andersen, M. L.; Ekström, G.; Ahlstrøm, A. P.; Stenseng, L.; Khan, S. A.; Forsberg, R.
Geophys. Res. Lett.
(2010)
L12501
Volume:
37
10.1029/2010GL043289

2009

Anomalous earthquakes associated with Nyiragongo Volcano: Observations and potential mechanisms
Shuler, A.; Ekstrom, G.
Journal of Volcanology and Geothermal Research
(2009)
Pages:
219-230
Volume:
181

2008

A continent-wide map of 1-Hz Lg coda Q variation across Eurasia and its relation to lithospheric evolution
Mitchell, B. J.; Cong, L. L.; Ekstrom, G.
Journal of Geophysical Research-Solid Earth
(2008)
Issue:
B4
Pages:
-
Volume:
113
Doi 10.1029/2007jb005065
Europe-Mediterranean tomography: High correlation between new seismic data and independent geophysical observables
Fry, B.; Boschi, L.; Ekstrom, G.; Giardini, D.
Geophysical Research Letters
(2008)
Issue:
4
Pages:
-
Volume:
35
Doi 10.1029/2007gl031519
Ice-front variation and tidewater behavior on Helheim and Kangerdlugssuaq Glaciers, Greenland
Joughin, I.; Howat, I.; Alley, R. B.; Ekstrom, G.; Fahnestock, M.; Moon, T.; Nettles, M.; Truffer, M.; Tsai, V. C.
Journal of Geophysical Research-Earth Surface
(2008)
Issue:
F1
Pages:
-
Volume:
113
Doi 10.1029/2007jf000837
Radial seismic anisotropy as a constraint for upper mantle rheology
Becker, T. W.; Kustowski, B.; Ekstrom, G.
Earth and Planetary Science Letters
(2008)
Issue:
1-2
Pages:
213-227
Volume:
267
DOI 10.1016/j.epsl.2007.11.038

2007

European-mediterranean regional centroid moment tensor catalog: Solutions for years 2003 and 2004
Pondrelli, S.; Salimbeni, S.; Morelli, A.; Ekstrom, G.; Boschi, E.
Physics of the Earth and Planetary Interiors
(2007)
Issue:
1-2
Pages:
90-112
Volume:
164
DOI 10.1016/j.pepi.2007.05.004
Length scales, patterns and origin of azimuthal seismic anisotropy in the upper mantle as mapped by Rayleigh waves
Becker, T. W.; Ekstrom, G.; Boschi, L.; Woodhouse, J. H.
Geophysical Journal International
(2007)
Issue:
1
Pages:
451-462
Volume:
171
DOI 10.1111/j.1365-246X.2007.03536.x
Nonlinear crustal corrections for normal-mode seismograms
Kustowski, B.; Dziewonski, A. M.; Ekstrom, G.
Bulletin of the Seismological Society of America
(2007)
Issue:
5
Pages:
1756-1762
Volume:
97
Doi 10.1785/0120070041

2006

Seasonality and increasing frequency of Greenland glacial earthquakes
Ekstrom, G.; Nettles, M.; Tsai, V. C.
Science
(2006)
Issue:
5768
Pages:
1756-1758
Volume:
311
DOI 10.1126/science.1122112

2005

Deep structure and seismic anisotropy beneath the East Pacific Rise
Gu, Y. J.; Lerner-Lam, A. L.; Dziewonski, A. M.; Ekstrom, G.
Earth and Planetary Science Letters
(2005)
Issue:
3-4
Pages:
259-272
Volume:
232
DOI 10.1016/j.epsl.2005.01.019

2003

Simultaneous inversion for mantle shear velocity and topography of transition zone discontinuities
Gu, Y. J.; Dziewonski, A. M.; Ekstrom, G.
Geophysical Journal International
(2003)
Issue:
2
Pages:
559-583
Volume:
154
Glacial earthquakes
Ekstrom, G.; Nettles, M.; Abers, G. A.
Science
(2003)
Issue:
5645
Pages:
622-624
Volume:
302
DOI 10.1126/science.1088057

1996

Instrument responses of digital seismographs at Borovoye, Kazakhstan, by inversion of transient calibration pulses
Kim, W. Y.; Ekstrom, G.
Bulletin of the Seismological Society of America
(1996)
Issue:
1
Pages:
191-203
Volume:
86
The 1993 Killari earthquake in central India: A new fault in Mesozoic basalt flows?
Seeber, L.; Ekstrom, G.; Jain, S. K.; Murty, C. V. R.; Chandak, N.; Armbruster, J. G.
Journal of Geophysical Research-Solid Earth
(1996)
Issue:
B4
Pages:
8543-8560
Volume:
101

1994

Empirical Measurements of Tectonic Moment Release in Nuclear-Explosions from Teleseismic Surface-Waves and Body Waves
Ekstrom, G.; Richards, P. G.
Geophysical Journal International
(1994)
Issue:
1
Pages:
120-140
Volume:
117

1993

Bering Sea Earthquake of February 21, 1991 - Active Faulting Along the Bering Shelf Edge
Abers, G. A.; Ekstrom, G.; Marlow, M. S.; Geist, E. L.
Journal of Geophysical Research-Solid Earth
(1993)
Issue:
B2
Pages:
2155-2165
Volume:
98

1991

Generalized Ray Theory for Seismic-Waves in Structures with Planar Nonparallel Interfaces
Richards, P. G.; Witte, D. C.; Ekstrom, G.
Bulletin of the Seismological Society of America
(1991)
Issue:
4
Pages:
1309-1331
Volume:
81
Ray Tracing on a Heterogeneous Sphere by Lie Series
Virieux, J.; Ekstrom, G.
Geophysical Journal International
(1991)
Issue:
1
Pages:
11-27
Volume:
104

1990

The 23 May 1989 Macquarie Ridge Earthquake - a Very Broad-Band Analysis
Ekstrom, G.; Romanowicz, B.
Geophysical Research Letters
(1990)
Issue:
7
Pages:
993-996
Volume:
17

1989

Comparison of Seismic and Hydrodynamic Yield Determinations for the Soviet Joint Verification Experiment of 1988
Sykes, L. R.; Ekstrom, G.
Proceedings of the National Academy of Sciences of the United States of America
(1989)
Issue:
10
Pages:
3456-3460
Volume:
86
Earthquake Source Parameters and Stress-Distribution in the Adak Island Region of the Central Aleutian Islands, Alaska
Ekstrom, G.; Engdahl, E. R.
Journal of Geophysical Research-Solid Earth and Planets
(1989)
Issue:
B11
Pages:
15499-15519
Volume:
94
Seismic Strain Rates in Regions of Distributed Continental Deformation
Ekstrom, G.; England, P.
Journal of Geophysical Research-Solid Earth and Planets
(1989)
Issue:
B8
Pages:
10231-10257
Volume:
94