Keith D. Koper - Publications

Affiliations: 
Saint Louis University, St. Louis, MO, United States 
Area:
Geophysics

83 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2023 Pang G, Koper KD, Wu SM, Wang W, Lasbleis M, Euler G. Enhanced inner core fine-scale heterogeneity towards Earth's centre. Nature. PMID 37407825 DOI: 10.1038/s41586-023-06213-2  0.764
2021 Holt J, Whidden KM, Koper KD, Pankow KL, Mayeda K, Pechmann JC, Edwards B, Gök R, Walter WR. Toward Robust and Routine Determination of Mw for Small Earthquakes: Application to the 2020 Mw 5.7 Magna, Utah, Seismic Sequence Seismological Research Letters. 92: 725-740. DOI: 10.1785/0220200320  0.348
2021 Baker B, Holt MM, Pankow KL, Koper KD, Farrell J. Monitoring the 2020 Magna, Utah, Earthquake Sequence with Nodal Seismometers and Machine Learning Seismological Research Letters. 92: 787-801. DOI: 10.1785/0220200316  0.35
2020 Anthony RE, Ringler AT, Wilson DC, Bahavar M, Koper KD. How Processing Methodologies Can Distort and Bias Power Spectral Density Estimates of Seismic Background Noise Seismological Research Letters. 91: 1694-1706. DOI: 10.1785/0220190212  0.31
2020 Pankow KL, Stickney M, Ben-Horin JY, Litherland M, Payne S, Koper KD, Bilek SL, Bogolub K. Regional Seismic Network Monitoring in the Eastern Intermountain West Seismological Research Letters. 91: 631-646. DOI: 10.1785/0220190209  0.33
2020 Voyles JR, Holt MM, Hale JM, Koper KD, Burlacu R, Chambers DJA. A New Catalog of Explosion Source Parameters in the Utah Region with Application to ML–MC‐Based Depth Discrimination at Local Distances Seismological Research Letters. 91: 222-236. DOI: 10.1785/0220190185  0.32
2020 Koper KD. The Importance of Regional Seismic Networks in Monitoring Nuclear Test‐Ban Treaties Seismological Research Letters. 91: 573-580. DOI: 10.1785/0220190160  0.313
2020 Koper KD, Holt MM, Voyles JR, Burlacu R, Pyle ML, Wang R, Schmandt B. Discrimination of Small Earthquakes and Buried Single-Fired Chemical Explosions at Local Distances (<150  km) in the Western United States from Comparison of Local Magnitude (ML) and Coda Duration Magnitude (MC) Bulletin of the Seismological Society of America. 111: 558-570. DOI: 10.1785/0120200188  0.38
2020 Pang G, Koper KD, Mesimeri M, Pankow KL, Baker B, Farrell J, Holt J, Hale JM, Roberson P, Burlacu R, Pechmann JC, Whidden K, Holt MM, Allam A, DuRoss C. Seismic Analysis of the 2020 Magna, Utah, Earthquake Sequence: Evidence for a Listric Wasatch Fault Geophysical Research Letters. 47. DOI: 10.1029/2020Gl089798  0.334
2020 Wu S, Lin F, Farrell J, Shiro B, Karlstrom L, Okubo P, Koper K. Spatiotemporal Seismic Structure Variations Associated With the 2018 Kīlauea Eruption Based on Temporary Dense Geophone Arrays Geophysical Research Letters. 47. DOI: 10.1029/2019Gl086668  0.378
2019 Holt MM, Koper KD, Yeck WL, D’Amico S, Li Z, Hale JM, Burlacu R. On the portability of ML-MC as a depth discriminant for small seismic events recorded at local distances Bulletin of the Seismological Society of America. 109: 1661-1673. DOI: 10.1785/0120190096  0.38
2019 Ye L, Lay T, Kanamori H, Koper KD. Reply to: Comment by Rodrigo Cienfuegos on “Rapidly Estimated Seismic Source Parameters for the 16 September 2015 Illapel, Chile, Mw 8.3 Earthquake” by Lingling Ye, Thorne Lay, Hiroo Kanamori, and Keith D. Koper Pure and Applied Geophysics. 176: 2753-2753. DOI: 10.1007/S00024-019-02214-3  0.302
2018 Pang G, Koper KD, Stickney MC, Pechmann JC, Burlacu R, Pankow KL, Payne S, Benz HM. Seismicity in the Challis, Idaho region, January 2014 - May 2017: Late aftershocks of the 1983 Ms 7.3 Borah Peak earthquake Seismological Research Letters. 89: 1366-1378. DOI: 10.1785/0220180058  0.358
2018 Tibi R, Koper KD, Pankow KL, Young CJ. Discrimination of Anthropogenic Events and Tectonic Earthquakes in Utah Using a Quadratic Discriminant Function Approach with Local Distance Amplitude RatiosDiscrimination of Anthropogenic Events and Tectonic Earthquakes in Utah Bulletin of the Seismological Society of America. 108: 2788-2800. DOI: 10.1785/0120180024  0.354
2018 Tibi R, Koper KD, Pankow KL, Young CJ. Depth Discrimination Using Rg-to-Sg Spectral Amplitude Ratios for Seismic Events in Utah Recorded at Local Distances Bulletin of the Seismological Society of America. 108: 1355-1368. DOI: 10.1785/0120170257  0.416
2018 Attanayake J, Thomas C, Cormier VF, Miller MS, Koper KD. Irregular Transition Layer Beneath the Earth's Inner Core Boundary From Observations of Antipodal PKIKP and PKIIKP Waves Geochemistry Geophysics Geosystems. 19: 3607-3622. DOI: 10.1029/2018Gc007562  0.41
2017 Workman E, Lin FC, Koper KD. Determination of Rayleigh wave ellipticity across the Earthscope Transportable Array using single-station and array-based processing of ambient seismic noise Geophysical Journal International. 208: 234-245. DOI: 10.1093/Gji/Ggw381  0.405
2017 Xu Y, Koper KD, Burlacu R. Lakes as a Source of Short‐Period (0.5–2 s) Microseisms Journal of Geophysical Research. 122: 8241-8256. DOI: 10.1002/2017Jb014808  0.464
2017 Gal M, Reading AM, Ellingsen SP, Koper KD, Burlacu R. Full wavefield decomposition of high frequency secondary microseisms reveals distinct arrival azimuths for Rayleigh and Love waves Journal of Geophysical Research. 122: 4660-4675. DOI: 10.1002/2017Jb014141  0.47
2017 Zhang H, Koper KD, Pankow K, Ge Z. Imaging the 2016 Mw 7.8 Kaikoura, New Zealand, earthquake with teleseismic P waves: A cascading rupture across multiple faults Geophysical Research Letters. 44: 4790-4798. DOI: 10.1002/2017Gl073461  0.511
2017 Moore JR, Pankow KL, Ford SR, Koper KD, Hale JM, Aaron J, Larsen CF. Dynamics of the Bingham Canyon rock avalanches (Utah, USA) resolved from topographic, seismic, and infrasound data Journal of Geophysical Research: Earth Surface. 122: 615-640. DOI: 10.1002/2016Jf004036  0.485
2016 Gal M, Reading AM, Ellingsen SP, Koper KD, Burlacu R, Gibbons SJ. Deconvolution enhanced direction of arrival estimation using one- and three-component seismic arrays applied to ocean induced microseisms Geophysical Journal International. 206: 345-359. DOI: 10.1093/Gji/Ggw150  0.417
2016 Lay T, Ye L, Koper KD, Kanamori H. Assessment of teleseismically-determined source parameters for the April 25, 2015 MW 7.9 Gorkha, Nepal earthquake and the May 12, 2015 MW 7.2 aftershock Tectonophysics. DOI: 10.1016/J.Tecto.2016.05.023  0.43
2016 Liu Q, Koper KD, Burlacu R, Ni S, Wang F, Zou C, Wei Y, Gal M, Reading AM. Source locations of teleseismic P, SV, and SH waves observed in microseisms recorded by a large aperture seismic array in China Earth and Planetary Science Letters. 449: 39-47. DOI: 10.1016/J.Epsl.2016.05.035  0.504
2016 Ye L, Lay T, Kanamori H, Koper KD. Rapidly Estimated Seismic Source Parameters for the 16 September 2015 Illapel, Chile Mw 8.3 Earthquake Pure and Applied Geophysics. 173: 321-332. DOI: 10.1007/S00024-015-1202-Y  0.493
2016 Koper KD, Pechmann JC, Burlacu R, Pankow KL, Stein J, Hale JM, Roberson P, McCarter MK. Magnitude-based discrimination of man-made seismic events from naturally occurring earthquakes in Utah, USA Geophysical Research Letters. 43. DOI: 10.1002/2016Gl070742  0.461
2016 Moore JR, Thorne MS, Koper KD, Wood JR, Goddard K, Burlacu R, Doyle S, Stanfield E, White B. Anthropogenic sources stimulate resonance of a natural rock bridge Geophysical Research Letters. 43: 9669-9676. DOI: 10.1002/2016Gl070088  0.367
2016 Lay T, Ye L, Ammon CJ, Dunham A, Koper KD. The 2 March 2016 Wharton Basin Mw 7.8 earthquake: High stress drop north-south strike-slip rupture in the diffuse oceanic deformation zone between the Indian and Australian Plates Geophysical Research Letters. 43: 7937-7945. DOI: 10.1002/2016Gl069931  0.509
2015 He X, Ni S, Ye L, Lay T, Liu Q, Koper KD. Rapid seismological quantification of source parameters of the 25 April 2015 Nepal Earthquake Seismological Research Letters. 86: 1568-1577. DOI: 10.1785/0220150131  0.432
2015 Chambers DJA, Koper KD, Pankow KL, McCarter MK. Detecting and characterizing coal mine related seismicity in the Western U.S. using subspace methods Geophysical Journal International. 203: 1388-1399. DOI: 10.1093/Gji/Ggv383  0.329
2015 Gal M, Reading AM, Ellingsen SP, Gualtieri L, Koper KD, Burlacu R, Tkalčić H, Hemer MA. The frequency dependence and locations of short‐period microseisms generated in the Southern Ocean and West Pacific Journal of Geophysical Research. 120: 5764-5781. DOI: 10.1002/2015Jb012210  0.474
2015 Huang HH, Lin FC, Tsai VC, Koper KD. High-resolution probing of inner core structure with seismic interferometry Geophysical Research Letters. 42: 10622-10630. DOI: 10.1002/2015Gl066390  0.519
2015 Pyle ML, Koper KD, Euler GG, Burlacu R. Location of high-frequency P wave microseismic noise in the Pacific Ocean using multiple small aperture arrays Geophysical Research Letters. 42: 2700-2708. DOI: 10.1002/2015Gl063530  0.684
2015 Koper KD, Burlacu R. The fine structure of double‐frequency microseisms recorded by seismometers in North America Journal of Geophysical Research. 120: 1677-1691. DOI: 10.1002/2014Jb011820  0.514
2014 Gal M, Reading AM, Ellingsen SP, Koper KD, Gibbons SJ, Näsholm SP. Improved implementation of the fk and Capon methods for array analysis of seismic noise Geophysical Journal International. 198: 1045-1054. DOI: 10.1093/Gji/Ggu183  0.449
2014 Ye L, Lay T, Koper KD, Smalley R, Rivera L, Bevis MG, Zakrajsek AF, Teferle FN. Complementary slip distributions of the August 4, 2003 Mw 7.6 and November 17, 2013 Mw 7.8 South Scotia Ridge earthquakes Earth and Planetary Science Letters. 401: 215-226. DOI: 10.1016/J.Epsl.2014.06.007  0.481
2014 Sufri O, Koper KD, Burlacu R, Foy Bd. Microseisms from Superstorm Sandy Earth and Planetary Science Letters. 402: 324-336. DOI: 10.1016/J.Epsl.2013.10.015  0.464
2014 Kubacki T, Koper KD, Pankow KL, McCarter MK. Changes in mining-induced seismicity before and after the 2007 Crandall Canyon Mine collapse Journal of Geophysical Research: Solid Earth. 119: 4876-4889. DOI: 10.1002/2014Jb011037  0.433
2014 Reading AM, Koper KD, Gal M, Graham LS, Tkalčić H, Hemer MA. Dominant seismic noise sources in the Southern Ocean and West Pacific, 2000-2012, recorded at the Warramunga Seismic Array, Australia Geophysical Research Letters. 41: 3455-3463. DOI: 10.1002/2014Gl060073  0.513
2013 Ye L, Lay T, Kanamori H, Koper KD. Energy release of the 2013 M(w) 8.3 Sea of Okhotsk earthquake and deep slab stress heterogeneity. Science (New York, N.Y.). 341: 1380-4. PMID 24052306 DOI: 10.1126/Science.1242032  0.454
2013 Thomas G, Koper KD, Burlacu R, Drobeck D. A Model of Ambient Seismic Noise Recorded by the Utah Regional Network of Strong‐Motion Seismometers Seismological Research Letters. 84: 759-771. DOI: 10.1785/0220130026  0.43
2013 Lay T, Ye L, Kanamori H, Yamazaki Y, Cheung KF, Kwong K, Koper KD. The October 28, 2012 Mw 7.8 Haida Gwaii underthrusting earthquake and tsunami: Slip partitioning along the Queen Charlotte Fault transpressional plate boundary Earth and Planetary Science Letters. 375: 57-70. DOI: 10.1016/J.Epsl.2013.05.005  0.395
2013 Yue H, Lay T, Freymueller JT, Ding K, Rivera L, Ruppert NA, Koper KD. Supershear rupture of the 5 January 2013 Craig, Alaska (Mw 7.5) earthquake Journal of Geophysical Research: Solid Earth. 118: 5903-5919. DOI: 10.1002/2013Jb010594  0.519
2013 Koper KD, Ammon CJ. Planning a Global Array of Broadband Seismic Arrays Eos, Transactions American Geophysical Union. 94: 300-300. DOI: 10.1002/2013Eo340005  0.333
2012 Yue H, Lay T, Koper KD. En échelon and orthogonal fault ruptures of the 11 April 2012 great intraplate earthquakes. Nature. 490: 245-9. PMID 23023129 DOI: 10.1038/Nature11492  0.367
2012 Sufri O, Koper KD, Lay T. Along-dip seismic radiation segmentation during the 2007 M<inf>w</inf> 8.0 Pisco, Peru earthquake Geophysical Research Letters. 39. DOI: 10.1029/2012Gl051316  0.478
2012 Lay T, Kanamori H, Ammon CJ, Koper KD, Hutko AR, Ye L, Yue H, Rushing TM. Depth-varying rupture properties of subduction zone megathrust faults Journal of Geophysical Research: Solid Earth. 117. DOI: 10.1029/2011Jb009133  0.455
2012 Koper KD, Hutko AR, Lay T, Sufri O. Imaging short-period seismic radiation from the 27 February 2010 Chile (MW 8.8) earthquake by back-projection of P, PP, and PKIKP waves Journal of Geophysical Research: Solid Earth. 117. DOI: 10.1029/2011Jb008576  0.488
2011 Koper KD, Hutko AR, Lay T, Ammon CJ, Kanamori H. Frequency-dependent rupture process of the 2011 Mw 9.0 Tohoku Earthquake: Comparison of short-period P wave backprojection images and broadband seismic rupture models Earth, Planets and Space. 63: 599-602. DOI: 10.5047/Eps.2011.05.026  0.532
2011 Koper KD, Hutko AR, Lay T. Along-dip variation of teleseismic short-period radiation from the 11 March 2011 Tohoku earthquake (Mw 9.0) Geophysical Research Letters. 38. DOI: 10.1029/2011Gl049689  0.505
2010 Lay T, Ammon CJ, Kanamori H, Rivera L, Koper KD, Hutko AR. The 2009 Samoa-Tonga great earthquake triggered doublet. Nature. 466: 964-8. PMID 20725038 DOI: 10.1038/Nature09214  0.442
2010 Xu Y, Herrmann RB, Koper KD. Source Parameters of Regional Small-to-Moderate Earthquakes in the Yunnan–Sichuan Region of China Bulletin of the Seismological Society of America. 100: 2518-2531. DOI: 10.1785/0120090195  0.43
2010 Koper KD, Seats K, Benz H. On the Composition of Earth's Short-Period Seismic Noise Field Bulletin of the Seismological Society of America. 100: 606-617. DOI: 10.1785/0120090120  0.498
2010 Lay T, Ammon CJ, Kanamori H, Koper KD, Sufri O, Hutko AR. Teleseismic inversion for rupture process of the 27 February 2010 Chile (Mw 8.8) earthquake Geophysical Research Letters. 37. DOI: 10.1029/2010Gl043379  0.459
2010 D'Amico S, Koper KD, Herrmann RB, Akinci A, Malagnini L. Imaging the rupture of the Mw 6.3 April 6, 2009 L'Aquila, Italy earthquake using back-projection of teleseismic P-waves Geophysical Research Letters. 37. DOI: 10.1029/2009Gl042156  0.44
2010 Koper KD, Hawley VL. Frequency dependent polarization analysis of ambient seismic noise recorded at a broadband seismometer in the central United States Earthquake Science. 23: 439-447. DOI: 10.1007/S11589-010-0743-5  0.431
2009 Koper KD, Fatehi A. Array analysis of regional-distance P-coda in South Asia Bulletin of the Seismological Society of America. 99: 2509-2522. DOI: 10.1785/0120080271  0.464
2009 Koper KD, Foy Bd, Benz H. Composition and variation of noise recorded at the Yellowknife Seismic Array, 1991–2007 Journal of Geophysical Research. 114. DOI: 10.1029/2009Jb006307  0.515
2009 Xu Y, Koper KD. Detection of a ULVZ at the base of the mantle beneath the northwest Pacific Geophysical Research Letters. 36. DOI: 10.1029/2009Gl039387  0.534
2009 Xu Y, Koper KD, Sufri O, Zhu L, Hutko AR. Rupture imaging of the Mw 7.9 12 May 2008 Wenchuan earthquake from back projection of teleseismic P waves Geochemistry, Geophysics, Geosystems. 10. DOI: 10.1029/2008Gc002335  0.536
2008 Koper KD, Herrmann RB, Benz HM. Overview of Open Seismic Data from the North Korean Event of 9 October 2006 Seismological Research Letters. 79: 178-185. DOI: 10.1785/Gssrl.79.2.178  0.437
2008 Koper KD, Foy Bd. Seasonal Anisotropy in Short-Period Seismic Noise Recorded in South Asia Bulletin of the Seismological Society of America. 98: 3033-3045. DOI: 10.1785/0120080082  0.511
2008 Peng Z, Koper KD, Vidale JE, Leyton F, Shearer P. Inner-core fine-scale structure from scattered waves recorded by LASA Journal of Geophysical Research: Solid Earth. 113. DOI: 10.1029/2007Jb005412  0.477
2008 Zou Z, Koper KD, Cormier VF. The structure of the base of the outer core inferred from seismic waves diffracted around the inner core Journal of Geophysical Research: Solid Earth. 113. DOI: 10.1029/2007Jb005316  0.622
2007 Flanagan MP, Myers SC, Koper KD. Regional Travel-Time Uncertainty and Seismic Location Improvement Using a Three-Dimensional a priori Velocity Model Bulletin of the Seismological Society of America. 97: 804-825. DOI: 10.1785/0120060079  0.451
2007 Zou Z, Leyton F, Koper KD. Partial melt in the lowermost mantle near the base of a plume Geophysical Journal International. 168: 809-817. DOI: 10.1111/J.1365-246X.2006.03266.X  0.625
2007 Leyton F, Koper KD. Using PKiKP coda to determine inner core structure: 2. Determination of QC Journal of Geophysical Research. 112. DOI: 10.1029/2006Jb004370  0.45
2007 Leyton F, Koper KD. Using PKiKP coda to determine inner core structure: 1. Synthesis of coda envelopes using single-scattering theories Journal of Geophysical Research. 112. DOI: 10.1029/2006Jb004369  0.466
2005 Leyton F, Koper KD, Zhu L, Dombrovskaya M. On the lack of seismic discontinuities within the inner core Geophysical Journal International. 162: 779-786. DOI: 10.1111/J.1365-246X.2005.02480.X  0.383
2005 Koper KD, Dombrovskaya M. Seismic properties of the inner core boundary from PKiKP/P amplitude ratios Earth and Planetary Science Letters. 237: 680-694. DOI: 10.1016/J.Epsl.2005.07.013  0.431
2004 Koper KD, Pyle ML. Observations of PKiKP/PcP amplitude ratios and implications for Earth structure at the boundaries of the liquid core Journal of Geophysical Research B: Solid Earth. 109. DOI: 10.1029/2003Jb002750  0.763
2004 Koper KD, Franks JM, Dombrovskaya M. Evidence for small-scale heterogeneity in Earth's inner core from a global study of PKiKP coda waves Earth and Planetary Science Letters. 228: 227-241. DOI: 10.1016/J.Epsl.2004.10.027  0.521
2003 Koper KD, Wallace TC, Aster RC. Seismic Recordings of the Carlsbad, New Mexico, Pipeline Explosion of 19 August 2000 Bulletin of the Seismological Society of America. 93: 1427-1432. DOI: 10.1785/0120020192  0.353
2003 Koper KD, Pyle ML, Franks JM. Constraints on aspherical core structure from PKiKP-PcP differential travel times Journal of Geophysical Research B: Solid Earth. 108: ESE 12-1 - 12-15. DOI: 10.1029/2002Jb001995  0.755
2003 Robertson Maurice SD, Wiens DA, Koper KD, Vera E. Crustal and upper mantle structure of southernmost South America inferred from regional waveform inversion Journal of Geophysical Research: Solid Earth. 108. DOI: 10.1029/2002Jb001828  0.668
2002 Koper KD, Wallace TC, Reinke RE, Leverette JA. Empirical Scaling Laws for Truck Bomb Explosions Based on Seismic and Acoustic Data Bulletin of the Seismological Society of America. 92: 527-542. DOI: 10.1785/0120000242  0.47
2001 Al-Eqabi GI, Koper KD, Wysession ME. Source characterization of Nevada test site explosions and western U.S. earthquakes using Lg Waves: Implications for regional source discrimination Bulletin of the Seismological Society of America. 91: 140-153. DOI: 10.1785/0119990059  0.383
2001 Koper KD, Wallace TC, Taylor SR, Hartse HE. Reply [to “Comment on ‘Forensic seismology and the sinking of the Kursk’”] Eos, Transactions American Geophysical Union. 82: 244-244. DOI: 10.1029/01Eo00139  0.334
2001 Koper KD, Wallace TC, Taylor SR, Hartse HE. Forensic seismology and the sinking of the Kursk Eos, Transactions American Geophysical Union. 82: 37-46. DOI: 10.1029/01Eo00023  0.379
2000 Koper KD, Wiens DA. The waveguide effect of metastable olivine in slabs Geophysical Research Letters. 27: 581-584. DOI: 10.1029/1999Gl011007  0.627
1999 Koper KD, Wallace TC, Hollnack D. Seismic analysis of the 7 August 1998 truck-bomb blast at the American embassy in Nairobi, Kenya Seismological Research Letters. 70: 512-521. DOI: 10.1785/Gssrl.70.5.512  0.327
1999 Koper KD, Wiens DA, Dorman L, Hildebrand J, Webb S. Constraints on the origin of slab and mantle wedge anomalies in Tonga from the ratio ofStoPvelocities Journal of Geophysical Research: Solid Earth. 104: 15089-15104. DOI: 10.1029/1999Jb900130  0.649
1998 Koper KD, Wiens DA, Dorman LM, Hildebrand JA, Webb SC. Modeling the Tonga slab: Can travel time data resolve a metastable olivine wedge? Journal of Geophysical Research: Solid Earth. 103: 30079-30100. DOI: 10.1029/98Jb01517  0.652
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