PUBLICATIONS 


JOURNAL & BOOK ARTICLES


Bisrat, S.T., H.R. DeShon, J. Pesicek, C. Thurber (2013), High-resolution 3-D P-wave Attenuation Structure of the New Madrid Seismic Zone, J. Geophys. Res., (accepted 2013).


Dunn, M., H.R. DeShon, C.A. Powell (2013), Imaging the New Madrid Seismic Zone using Double-Difference Tomography, J. of Geophys. Res., 118 (10), 5404-5416, doi:10.1002/jgrb.50384.


Hansen, S., H.R. DeShon, M. Moore-Driskell, A. Al-Amri (2013), Investigating the P-wave Velocity Structure beneath Harrat Lunayyir, northwestern Saudi Arabia, using Double-Difference Tomography and Earthquakes from the 2009 Seismic Swarm, J. Geophys. Res., 118(9), 4814-4826, doi:10.1002/jgrb.50286.


Moore-Driskell, M., H.R. DeShon, W. Rabbel, M.M. Thorwart, Y. Dzierma (2013), Integration of arrival time datasets for consistent quality control: A case study of amphibious experiments along the Middle America Trench, Bull. Seismo. Soc. Am.,  103 (5), doi: 10.1785/0120120274, 2752-2766.

El Hariri, M., S.L. Bilek, E.R. Engdahl, H.R. DeShon, and S.T. Bisrat (2013), Along-strike variability of rupture duration in subduction-zone earthquakes, J. Geophys. Res., 118(2), 646-664, doi: 10.1029/2012JB009548. PDF available by request


Van Arsdale, R.B., H.R. DeShon, and M.P. Tuttle (2012), New Madrid Seismic Zone field trip guide, in From the Blue Ridge to the Coastal Plain: Field Excursions in the Southeastern United States, eds. M.C. Eppes and M.J. Bartholomew,  Geological Society of America Field Guide 29, p. 1-14, doi: 10.1130/2012.029(04).


Pesicek, J.D., E.R. Engdahl, C.H. Thurber, H.R. DeShon, and D. Lange (2012), Mantle subducting slab structure in the region of the 2010 M8.8 Maule earthquake (30-40¼S), Chile, Geophys. J. Int, doi: 10.1111/j.1365-246X.2012.05624.x.


Graham, S.E., C. DeMets, H.R. DeShon, R. Rogers, M. Rodriguez Maradiaga, W. Strauch, K. Wiese, and D. Hernandez (2012), GPS and seismic constraints on the M = 7.3 2009 Swan Islands earthquake: implications for stress changes along the Motagua fault and other nearby faults, Geophys. J. Int., 190, p. 1625-1639, doi: 10.1111/j.1365-246X.2012.05560.x


Bisrat, S., H.R. DeShon, and C.A. Rowe (2012), Swarm Activity Within the New Madrid Seismic Zone Identified Using Waveform Cross- Correlation Techniques, Bull. Seismo. Soc. Am., 102(3), 1167-1178, doi:10.1795/0120100315.


Bilek, S., H.R. DeShon and E.R. Engdahl (2012), Spatial variations in earthquake source characteristics within the 2011 Mw 9.0 Tohoku, Japan rupture zone, Geophys. Res. Letts., 39, L09304, doi:10.1029/2012GL051399. PDF available by request


Hamburger, M.W., K. Shoemaker, S. Horton, H.R. DeShon, M. Withers, G. Pavlis, and E. Sherrill (2011), Aftershocks of the 2008 Mt. Carmel, Illinois, Earthquake: Evidence for Conjugate Faulting near the Termination of the Wabash Valley Fault System, Seismo. Res. Letts., 82, 735-747, doi: 10.1795/gssrl.82.5.735. PDF (1.8 MB)

Bilek, S., E.R. Engdahl, H.R. DeShon, and M. El Hariri (2011), The 24 October 2010 Sumatra tsunami earthquake: Slip in a slow patch, Geophys. Res. Letts., 38, L14306, doi:10.1029/2011GL047864. PDF available by request


DeShon, H.R., C.H. Thurber, and J. Power (2010), Earthquake waveform similarity and evolution at Augustine volcano, Alaska, from 1993-2006, in The 2006 Eruption of Augustine Volcano, Alaska, eds. J.A. Power, M.L. Coombs, and J.T. Freymueller, USGS Professional Paper 1769, p. 103-118. PDF (1.6 MB)


Dunn, M., S. Horton, H.R. DeShon, and C.A. Powell (2010),  High Resolution Earthquake Location in the New Madrid Seismic Zone, Seismo. Res.
         Letts.
, 81, 406-413.  PDF (717 KB)


Pesicek, J.D., C.H. Thurber, H. Zhang, H.R. DeShon, and E.R. Engdahl (2010), Teleseismic Double-difference Relocation of Earthquakes along the Sumatra-Andaman Subduction Zone using a Three-Dimensional Model, J. Geophys. Res., 115, B10303, doi: 10.1029/2010JB007443. PDF available by request

Pesicek, J.D., C.H. Thurber, S. Widiyantoro, E.R. Engdahl, and H.R. DeShon (2010), Sharpening the Tomographic Image of the Subducting Slab below the Sumatra-Andaman Region, Geophys. J. Int., 182, 433-453, doi: 10.1111/j.1365-246X.2010.04630.x. PDF (4.7 MB)


Powell, C.A., H.R. DeShon, and M. Withers (2010), Intrusions and Anomalous Vp/Vs Ratios Associated with the New Madrid Seismic Zone, J. Geophys. Res., 115, B08311, doi:10.1029/2009JB007107. PDF available by request

Sumiejski, L., C.H.  Thurber, and H.R. DeShon (2009), Relocation of eruption-related earthquake clusters at Augustine volcano, Alaska, using station-pair differential times, Geophys. J. Int., 176, 1017-1022. PDF (1.2 MB)


Pesicek, J., C.H. Thurber, S. Widiyantoro, E.R. Engdahl, and H.R. DeShon (2008), Folded slab subduction beneath Sumatra, Geophys. Res. Letts, 35, L20303, doi:10.1029/2008GL035262. PDF available by request


Pesicek, J., C.H. Thurber, H.R. DeShon, S.G. Prejean, and H. Zhang (2008), Three-dimensional P-wave velocity structure and precise earthquake relocation at Great Sitkin Volcano, Alaska, Bull. Seismo. Soc. Am., 98 (5), p. 2428-2448, doi: 10.1785/0120070213. PDF (2.6 MB)


DeShon, H.R., C.H. Thurber, and C. Rowe (2007), High precision earthquake location and three-dimensional P-wave velocity determination at Redoubt Volcano, Alaska, J. Geophysical Research, 112, B07312, doi:10.1029/2006JB004751.  PDF available by request


Engdahl, E.R., A. Villasenor,  H.R. DeShon, and C. Thurber (2007), Teleseismic relocation and assessment of seismicity (1918-2005) in the region of the 2004 Mw 9 Sumatra-Andaman and 2005 M 8.7 Nias great earthquakes, Bull. Seismological Society America, 97 (1A), S43-S61, doi:10.1785/0120050614. PDF (2.7 MB)


Hutnak, M., A.T. Fisher, C.A. Stein, R. Harris, K. Wang, E. Silver, G. Spinelli, M. Pfender, H. Villinger, R. MacKnight, P. Costa Pinani, H.R. DeShon, and C. Diamente (2007), The thermal station of 18-24 Ma upper lithosphere subducting below the Nicoya Peninsula, northern Costa Rica, in The Seismogenic Zone of Subduction Thrust Faults, eds. T. Dixon and J.C. Moore, Columbia University Press, New York, 86-122.


Schwartz, S.Y. and H.R. DeShon (2007), Evidence for multiple mechanical transitions along the updip limit, Nicoya Peninsula, Costa Rica, in The Seismogenic Zone of Subduction Thrust Faults, eds. T. Dixon and J.C. Moore, Columbia University Press, New York, 576-599.


DeShon, H.R., S.Y. Schwartz, A.V. Newman, V. Gonzalez, J.M. Protti, L.M. Dorman, T. Dixon, E. Norabuena and E. Flueh (2006), Seismogenic zone structure beneath the Nicoya Peninsula, Costa Rica, from 3D local earthquake P- and S-wave tomography, Geophysical J. International, 164, 109-124, doi:10.1111/j.1365-246X.2005.02809.x. PDF  (14.2 MB) 


Hansen, S.E., S.Y. Schwartz, and H.R. DeShon (2006), Earthquake relocation and focal mechanism determination using waveform cross-correlation, Nicoya Peninsula, Costa Rica, Bull. Seismological Society America, 96 (3): 1003-1011. PDF available by request


DeShon, H.R., E.R. Engdahl, C.H. Thurber, and M. Brudzinski (2005), Constraining the boundary between the Sunda and Andaman subduction systems: Evidence from the 2002 Mw 7.3 Northern Sumatra earthquake and aftershock relocations of the 2004 and 2005 great earthquakes, Geophysical Research Letters, 32, L24307, doi:10.1029/2005GL024188. PDF available by request


Brown, K.M., M. Tryon, H.R. DeShon, L.M. Dorman, and S.Y. Schwartz (2005), Transient fluid pulsing and seismic tremor: Evidence of episodic creep at the updip edge of the seismogenic zone, Costa Rica? Earth Planetary Science Letters, 238, 189-203. PDF (636 KB)


Lay, T., H. Kanamori, C.J. Ammon, M. Nettles, S.N. Ward, R. Aster, S.L. Beck, S.L. Bilek, M.R. Brudzinski, R. Butler, H.R. DeShon, G. Ekstrom, K. Satake, and S. Sipkin (2005), The great Sumatra-Andaman earthquake of 26 December 2004, Science, 308, 1127-1133.  PDF (1.6 MB)


Lay, T., H. Kanamori, C.J. Ammon, M. Nettles, S.N. Ward, R. Aster, S.L. Beck, S.L. Bilek, M.R. Brudzinski, R. Butler, H.R. DeShon, G. Ekstrom, K. Satake, and S. Sipkin (2005), Response to Comment on "The great Sumatra-Andaman earthquake of 26 December 2004". [Editorial Material] Science, 310, NIL_3. PDF (44 KB)


DeShon H.R. (2004), Seismogenic zone structure along the Middle America subduction zone, Costa Rica, Ph.D. Thesis, pp. 359, University of California-Santa Cruz, Santa Cruz, CA, June.  HTML Version


DeShon, H.R., and S.Y. Schwartz (2004), Evidence for serpentinization of the forearc mantle wedge along the Nicoya Peninsula, Costa Rica, Geophysical Research Letters, 31, L21611, doi:10.1029/2004GL021179. PDF available by request 


Norabuena, E., T.H. Dixon, S.Y. Schwartz, H.R. DeShon, M. Protti, L. Dorman, E.R. Flueh, P. Lundgren, A. Newman, F. Pollitz, D. Sampson (2004), Geodetic and seismic constraints on seismogenic zone processes in Costa Rica, J. of Geophysical Research, 109, B11403, doi:10.1029/2003JB002931. PDF available by request 


Silver, E., P. Costa Pisani, M. Hutnak, A. Fisher, H.R. DeShon, and B. Taylor (2004), An 8-10 Ma tectonic event on the Cocos Plate offshore Costa Rica: Result of Cocos Ridge collision?, Geophysical Research Letters, 31, L18601, doi:10.1029/2004GL020272. PDF available by request


Bilek, S.L., S.Y. Schwartz, and H.R. DeShon (2003), Control of seafloor roughness on earthquake rupture behavior, Geology, 31, 455-458. PDF (440 KB)


DeShon, H.R., S.Y. Schwartz, S.L. Bilek, L.M. Dorman, V. Gonzalez, J.M. Protti, E.R. Flueh, and T.H. Dixon (2003), Seismogenic zone structure of the southern Middle America Trench, Costa Rica, J. of Geophysical Research, 108, doi:10.1029/2002JB002294. PDF available by request


Newman, A.V., S.Y. Schwartz, V. Gonzalez, H.R. DeShon, J.M. Protti, and L.M. Dorman (2002), Along-strike variability in the seismogenic zone below Nicoya Peninsula, Costa Rica, Geophysical Research Letters, 29, 1977, doi: 10.1029/2002GL015409. PDF available by request


DeShon, H.R., D.A. Young and V.L. Hansen (2000), Geologic evolution of southern Rusalka Planitia, Venus, J. of Geophysical Research, 105, 6983-6995. PDF available by request

  


PUBLISHED MAPS


Hansen, V.L. and H.R. DeShon (2002), Geologic map of the Diana Chasma Quadrangle (V-37), Venus, Geologic Investigations Series - U. S. Geological Survey, Report: I-2752, U. S. Geological Survey, Reston, VA, USA.



MANUSCRIPTS IN PREPARATION



Moore-Driskell, M., H.R. DeShon, W. Rabbel,  3D double difference velocity tomography of the Middle America subduction zone beneath Costa Rica and Nicaragua, in revisions.


Bisrat, S.T., H.R. DeShon , High-resolution 3-D seismic attenuation structure in the source region of the 2012 Mw 7.6  Nicoya Peninsula, Costa Rica, earthquake,  in prep.


DeShon, H.R., S.T. Bisrat, C.A. Powell, M.B. Magnani, Characterizing complex faulting and near fault velocity and attenuation heterogeneity along the New Madrid Seismic Zone, in prep.


Bockholt, B., C.A. Langston, H.R. DeShon, S. Horton, Microtremors from the Reelfoot Fault, in prep.



ABSTRACTS AND PRESENTATIONS


DeShon, H.R. and M. Moore-Driskell (2013), Reduced compressional wavespeeds and Poisson's ratios along the Nicoya Peninsula Seismogenic Zone, Costa Rica, AGU Meeting of the Americas, Cancun, Mexico, 14-17 May.

Bilek, S.L., H.R. DeShon, E.R. Engdahl, and M. El Hariri (2013), What can earthquake rupture heterogeneity tell us about subduction zone fault herogeneity?, Seismo. Soc. of America Spring Meeting, Salt Lake City, UT, April 2013.

DeShon, H.R. (2012), Integrating USArray and Cooperative New Madrid Seismic Network Data to Establish Central US Catalog Location and Magnitude Sensitivities, S53I-03 presented at 2012 Fall Meeting, AGU, San Francisco, Calif., 3-7 Dec.

Moore-Driskell, M. and H.R.  DeShon (2012), Variability of High Resolution Vp/Vs and Seismic Velocity Structure Along the Nicaragua/Costa Rica Segment of the Middle America Subduction Zone, T13F-2685 presented at 2012 Fall Meeting, AGU, San Francisco, Calif., 3-7 Dec.

Pesicek, J.D., H. Zhang, C.H. Thurber, D. Lange, E.R. Engdahl, and H.R. DeShon, Subducting slab structure and seismicity in the region of the 2010 M8.8 Maule earthquake: results from multi-scale P-wave tomography and relocation, S52D-05 presented at 2012 Fall Meeting, AGU, San Francisco, Calif., 3-7 Dec.

McQuillan, P.J., R. Welti, J. Johnson, C.R. Shiffman, S.E. Olds, H.R. DeShon, C.A. Powell (2012), Earthscope and New Madrid content modules for the IRIS Active Earth Monitor, GSA Abstracts with Programs, 44 (7), abstract 65-2.

DeShon, H.R., M. Moore-Driskell, 3D Double Difference Tomography of the Seismogenic Zone beneath Costa Rica and Nicaragua, SFB 574 Final colloquium, Lubeck, Germany, May 23-25, 2012.

Al Noman, M.N., H.R. DeShon and C.H. Cramer (2012), Ground Motion Predication for ENA: Learning from and limitations of the NGA-East database, Seismo. Soc. of America Spring Meeting, San Diego, CA, April 2012.

Bilek, S.L., H.R. DeShon, E.R. Engdahl, S.T. Bisrat (2011), Investigation of spatial variations in earthquake source and frictional characteristics in the 2011 Mw 9.0 Tohoku, Japan earthquake rupture area, U51B-0034 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec.

Bisrat, S.T., H.R. DeShon (2011), High-resolution 3-D seismic attenuation structure of the New Madrid Seismic Zone, S11B-2224 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec.

Bockholt, B., C.A. Langston, H.R. DeShon (2011), Microtremors from the Reelfoot Fault, S11B-2225 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec.

DeShon, H.R., S.T. Bisrat, C.A. Powell (2011), Characterizing complex faulting and near fault velocity and attenuation heterogeneity along the New Madrid Seismic Zone, S11B-2227 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec.

El Hariri, M., S.L. Bilek, H.R. DeShon, and E.R. Engdahl (2011), Along-strike variations of source parameters for subduction zone earthquakes, T21B-2321 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec.

Mataracioglu, M.O., M.B. Magnani, H.R. DeShon, R.T. Cox (2011), Investigation of collisional styles of the Caribbean LIP vs. normal oceanic crust from seismic reflection profiles, T21B-2358 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec.

Moore-Driskell, M., H.R. DeShon (2011), 3D double difference velocity tomography of the Middle America subduction zone beneath Costa Rica and Nicaragua, T21B-2352 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec.

Bisrat, S.T. and H.R. DeShon (2011), 3-D Seismic Attenuation Structure of the New Madrid Seismic Zone, Seismo. Soc. of Am. Spring Meeting, Memphis, TN, April 2011.

DeShon, H.R., J.D. Pesicek, C.H. Thurber, and H. Zhang (2011), Comparisons Between High-resolution Earthquake Relocations, Thermal Modeling, and Structure along the Sunda Subduction Zone, Seismo. Soc. of Am. Spring Meeting, Memphis, TN, April 2011.

El-Hariri, M., S. Bilek, H.R. DeShon, and E.R. Engdahl (2011), Investigating Along-Strike Variations of Source Parameters for Subduction-Zone Earthquakes, Seismo. Soc. of Am. Spring Meeting, Memphis, TN, April 2011.

Moore-Driskell, M.M. and H.R. DeShon (2011), 3D Double Difference Velocity Tomography of the Costa Rican and Nicaraguan Subduction Zones, Seismo. Soc. of Am. Spring Meeting, Memphis, TN, April 2011.

Powell, C., H.R. DeShon, and C. Langston (2011), Complex Faulting and Velocity Structure Within the New Madrid Seismic Zone, Seismo. Soc. of Am. Spring Meeting, Memphis, TN, April 2011.

DeShon, H.R., C.A. Powell, M.B. Magnani, S. Bisrat (2010), Complex Faulting within the New Madrid Seismic Zone, Am. Geophys. Union Fall Meeting, San Francisco, CA, Dec. 2010.

Wessale, M.S., J.D. Pesicek, E.M. Syracuse, C.H. Thurber, H.R. DeShon, J.A. Power, S.G. Prejean (2010), Comparison of Seismicity Preceding the 1989-1990 and 2009 Eruptions of Redoubt Volcano, Alaska, Am. Geophys. Union Fall Meeting, San Francisco, CA, Dec. 2010.

Bockholt, B., C.A. Langston, H.R. DeShon, S. Horton (2010), The Search for Non-volcanic Tremor on the Reelfoot Fault, Northern Tennessee, Am. Geophys. Union Fall Meeting, San Francisco, CA, Dec. 2010.

DeShon, H.R., M. Moore-Driskell, W. Rabbel, I. Arroyo, N. Dinc, M. Thorwart, Y. Dzierma, P-wave velocity modeling using amphibious networks along the Middle America subduction zone, Costa Rica and Nicaragua, Geophysical Hazards and Plate Boundary Processes in Central America, Mexico, and the Caribbean: A workshop to build seismological collaboration and capacity; IRIS, USAID, NSF, and AGU; Heredia, Costa Rica, Oct. 24-28, 2010.

DeShon, H.R., S. Bisrat, E.R. Engdahl, and S. Bilek (2010), Automated Identification of Teleseismically Recorded Depth Phases, IRIS Annual Meeting, Snowbird, UT, June 2010.

Moore-Driskell, M., H.R. DeShon, W. Rabbel, M. Thorwart, Y. Dzierma (2010), Large-scale Integration of Arrival Time Datasets for Consistent Tomography Quality Control: A Case Study of Onshore/Offshore Exerpiments along the Middle America Trench, IRIS Annual Meeting, Snowbird, UT, June 2010.

Langston, C.A., H.R. DeShon*, S. Horton, and M. Withers (2010), Preliminary Results for the Detection of Non-volcanic Tremor in the New Madrid Seismic Zone, Seismo. Soc. of Am. Spring Meeting, Portland, OR, April 2010. *presenting author

DeShon, H.R., M. Moore-Driskell, W. Rabbel, I. Arroyo, M. Thorwart, Y. Dzierma (2010), Imaging 3D Seismic Velocity and Attenuation Heterogeneity along the Seismogenic Zone of Costa Rica and Nicaragua: A Progress Report, NSF Margins Successor Meeting, San Antonio, TX, Feb. 2010.

DeShon, H.R., S.T. Bisrat, C.A. Powell (2009), Characterizing Near Fault Velocity Structure and Seismogenesis Along the New Madrid Seismic Zone, Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract T53D-1628.

Bilek, S.L., H.R. DeShon, E.R. Engdahl (2009), Along-Strike Variations in Shallow Earthquake Distribution and Source Parameters Along the Kurile-Kamchatka Arc,  Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract T23B-1908.

Bisrat, S.T., H.R. DeShon, E.R. Engdahl, S.L. Bilek (2009), Improved Teleseismic Locations of Shallow Subduction Zone Earthquakes, Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract T23B-1913.

El Hariri, M., S.L. Bilek, H.R. DeShon, E.R. Engdahl (2009), Investigating Along-Strike Variations of Source Parameters for Relocated Thrust Earthquakes Along the Sumatra-Java Subduction Zone, Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract T23B-1920.

Moore-Driskell, M.M., H.R. DeShon, W. Rabbel, M.M. Thorwart, Y. Dzierma (2009), An Integrated Arrival Time Dataset for Onshore/Offshore Experiments Conducted Along The Middle America Trench,  Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract T23B-1893.

Pesicek, J.D., C.H. Thurber, H. Zhang, H.R. DeShon, E.R. Engdahl (2009),  Teleseismic Relocation of Earthquakes along the Sumatra-Andaman Subduction Zone, Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract T33B-1914.

Powell, C.A., M. Withers, H.R. DeShon (2009), Intrusions and Anomalous Vp/Vs Ratios Associated with the New Madrid Seismic Zone, Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract T53D-1616.

Wiley, S., H.R. DeShon, O.S. Boyd (2009). Seismic Noise Characterization in the Northern Mississippi Embayment, Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract S23A-1730.

DeShon, H.R., S.T. Bisrat, M. Dunn, and S. Wiley (2009), Characterizing near fault velocity structure and seismogenesis along the New Madrid seismic zone, USGS CEU Investigator meeting, Memphis, TN, Oct. 2009.

Bisrat, S.T., H.R. DeShon, E.R. Engdahl, S.L. Bilek (2009), Improved Teleseismic Locations of Shallow Subduction Zone Earthquakes, NSF Margins TEI Volatiles in Subduction Zone meeting, Mt. Hood, OR., Sept 28-Oct 1, 2009.

Moore-Driskell, M.M., H.R. DeShon, S.T. Bisrat, W. Rabbel, M.M. Thorwart, Y. Dzierma (2009), An Integrated Arrival Time Dataset for Onshore/Offshore Experiments Conducted Along The Middle America Trench, NSF Margins TEI Volatiles in Subduction Zone meeting, Mt. Hood, OR., Sept 28-Oct 1, 2009.

DeShon, H.R., N. Dinc, W. Rabbel, P-wave Velocity Modeling Using Onshore/Offshore Passive Seismic Networks Along the Middle America Subduction Zone, Costa Rica and Nicaragua, Eos Trans. AGU, 89(53), Fall Meet. Suppl., Abstract U51C-08, AGU Fall Meeting, San Francisco, CA, Dec. 2008.

Bisrat, S., H.R. DeShon, and C.A. Rowe, Swarm Activity Within the New Madrid Seismic Zone Identified Using Waveform Cross- Correlation Techniques, Eos Trans. AGU, 89(53), Fall Meet. Suppl., Abstract S51C-1757, AGU Fall Meeting, San Francisco, CA, Dec. 2008.

Dunn, M., H.R. DeShon, and C.A. Powell, P and S Wave Velocity Structure and Vp/Vs Ratios for the New Madrid Seismic Zone, Eos Trans. AGU, 89(53), Fall Meet. Suppl., Abstract S43A-1876, AGU Fall Meeting, San Francisco, CA, Dec. 2008.

Pesicek, J., C.H. Thurber, H. Zhang, H.R. DeShon, S. Widiyantoro, E.R. Engdahl, Sharpened tomographic image of the subducting slab beneath the Sumatra-Andaman region from 3-D ray tracing and earthquake relocation, Eos Trans. AGU, 89(53), Fall Meet. Suppl., Abstract S14A-07, AGU Fall Meeting, San Francisco, CA, Dec. 2008.

Sumiejski, L., C. Thurber, and H.R. DeShon, Relocation of Eruption-Related Earthquake Clusters at Augustine Volcano, Alaska, using Station-Pair Differential Times, Eos Trans. AGU, 89(53), Fall Meet. Suppl., Abstract V51A-2017, AGU Fall Meeting, San Francisco, CA, Dec. 2008.

DeShon, H.R., N. Dinc, and W. Rabbel, Seismogenic zone structure along the Middle America subduction zone, Costa Rica and Nicaragua, 2008 Margins SEIZE Meeting, Mt. Hood, OR, September 2008.

DeShon, H.R., C.H. Thurber, and J. Power, Evolution of waveform similarity at Augustine volcano, Alaska, during the 2006 eruption, Spring SSA Meeting, Santa Fe, NM. April 2008. Seismological Research Letters, 79, p. 334.

Bilek, S.L, H.R. DeShon, and E.R. Engdahl, Are ÒslowÓ events common in regions of tsunami earthquakes?, Spring SSA Meeting, Santa Fe, NM. April 2008. Seismological Research Letters, 79, p. 343.

Mitchell, L.M., and H.R. DeShon, Relocation of the Mw 8.4 2007 Southern Sumatra aftershock sequence and prior regional seismicity, Spring SSA Meeting, Santa Fe, NM. April 2008. Seismological Research Letters, 79, p. 355.

DeShon, H.R., H. Zhang, C.H. Thurber, E.R. Engdahl, Imaging the Andaman and Sunda Subduction Zones Using Regional Double-Difference Tomography, AGU Fall Meeting, San Francisco, CA, Dec. 2007.

Dunn, M., S. Horton, H.R. DeShon, and C.A. Powell, High Resolution Earthquake Location in the New Madrid Seismic Zone, AGU Fall Meeting, San Francisco, CA, Dec. 2007.

Engdahl, E.R., H.R. DeShon, S. Bilek, A. Villasenor, C.H. Thurber, Assessment of Well-Constrained Seismicity and Focal Mechanisms in the Andaman- Sumatra-Java Subduction Systems, AGU Fall Meeting, San Francisco, CA, Dec. 2007.

Pesicek, J., C.H. Thurber, S.  Widiyantoro, E.R. Engdahl, H. DeShon, Tomographic Image of Subducting Lithosphere beneath Indonesia, AGU Fall Meeting, San Francisco, CA, Dec. 2007.

DeShon, H.R., C.H. Thurber, M.R. Brudzinski, and E.R. Engdahl, A semi-automated technique for waveform cross-correlation of teleseismically recorded depth phases, SSA Spring Meeting, Waikiloa, HA, April 2007.

Pesicek, J., H.R. DeShon, M.R. Brudzinski and C.H. Thurber, Testing teleseismic cross-correlation techniques using synthetic seismograms:  Application to aftershocks of the 26 December 2004 Mw 9 Sumatra megathrust earthquake, SSA Spring Meeting, Waikiloa, HA, April 2007.

DeShon, H.R., S.G. Prejean, C.H. Thurber, and J.A. Power, High-precision earthquake location, velocity determination, and event family identification at Augustine Volcano, Alaska, from 1993 through the 2005-2006 eruption, AGU Fall Meeting, San Francisco, CA, Dec. 2006.

Engdahl, E.R., O.P. Mishra, J.R. Kayal, G.K. Chakrabortty, O.P. Singh, A. Villasenor, and H.R. DeShon, Reanalysis of aftershocks of the 2004 great Sumatra earthquake in the Andaman-Nicobar Islands region using temporary local network and global arrival time data, AGU Fall Meeting, San Francisco, CA, Dec. 2006.

Pesicek, J., C. Thurber, H.R. DeShon, and H. Zhang, Analysis of seismic data from Great Sitkin volcano: Tomographic images, earthquake relocations, and stress calculations, AGU Fall Meeting, San Francisco, CA, Dec. 2006.

Brown, J., H.R. DeShon, S.G. Prejean, C.H. Thurber and J. Power, Cross-correlation analysis reveals waveform similarity in long-period events prior to eruptive activity at Mt. Spurr volcano, Alaska, SSA Spring Meeting, San Francisco, CA, Apr. 2006.

DeShon, H.R., C.A. Rowe, and C.H. Thurber, High-precision earthquake location and three-dimensional P-wave velocity determination at Redoubt Volcano, Alaska, SSA Spring Meeting, San Francisco, CA, Apr. 2006.

Engdahl, E. A. Villasenor, and H. DeShon, Teleseismic relocation and assessment of seismicity (1918-2005) in the region of the 2004 Mw 9.0 Sumatra-Andaman and 2005 Mw 8.6 Nias Island great earthquakes, SSA Spring Meeting, San Francisco, CA, Apr. 2006.

Meyer, N.R., H.R. DeShon, C.H. Thurber, S.G. Prejean, Cross-correlation and double-difference techniques used in earthquake relocations at Shishaldin Volcano, Alaska, SSA Spring Meeting, San Francisco, CA, Apr. 2006.

Pesicek, J., H.R. DeShon, C.H. Thurber, and S.G. Prejean, High-precision earthquake locations at Great Sitkin Volcano, Alaska using waveform alignment and double-difference techniques, SSA Spring Meeting, San Francisco, CA, Apr. 2006.

Thurber, C., H. Zhang, M. Brudzinski, H. DeShon, and E. Engdahl, Earthquake location and seismic tomography: Pushing the envelope for subduction zone studies, SSA Spring Meeting, San Francisco, CA, Apr. 2006.

DeShon, H.R., C.A. Rowe, and C. Thurber, Two cross-correlation techniques applied to volcanic seismic waveforms, AGU Fall Meeting, San Francisco, CA, Dec. 2005.

Schwartz, S.Y., H.R. DeShon, K.M. Brown, The Influence of Fluids on Seismogenic Zone Processes in Northern Costa Rica, AGU Fall Meeting, San Francisco, CA, Dec. 2005.

Thurber, C.H., M. Brudzinski, H.R. DeShon, and E.R. Engdahl, Global Double Benioff Zone Prevalence and Characteristics through Statistical Estimates of Slab-Normal Distribution, AGU Fall Meeting, San Francisco, CA, Dec. 2005.

DeShon, H.R., M. Brudzinski, C. Thurber, and E.R. Engdahl, The search for double Wadati-Benioff zones using waveform cross-correlation of teleseismically recorded phases, IASPEI General Assembly, Santiago, Chile, Oct. 2005.

DeShon, H.R., M.R. Brudzinski, C. Thurber, and S.L. Bilek, Moment release of history of large-magnitude earthquakes in the region of the 2004 M 9 Sumatra-Andaman Islands earthquake, SSA Spring Meeting, Incline Village, NV, Apr. 2005.

Bilek, S.L., A.V. Newman, and H.R. DeShon, Aftershock characteristics of the 2004 M 9.0 Sumatra Andaman Islands earthquake, SSA Spring Meeting, Incline Village, NV, Apr. 2005.

DeShon, H.R., S.Y. Schwartz, A.V. Newman, V. Gonzalez, M. Protti, L.M. Dorman, Seismogenic zone structure along the Middle America Trench, Nicoya  Peninsula, Costa Rica, from 3D local earthquake tomography, AGU Fall Meeting, San Francisco, CA, Dec. 2004.

Brown, K.M., M.D. Tryon, H.R. DeShon, L.M. Dorman, and S.Y. Schwartz, Transient Fluid Pulsing and Seismic Tremor-like Seismic Noise: Episodic Creep and/or Fluid Expulsion at the Updip Edge of the Seismogenic Zone, Costa Rica, AGU Fall Meeting, San Francisco, CA, Dec. 2004.

Dorman, L.M., H.R. DeShon, K. Brown, S. Schwartz, M. Tryon, Seismic Noise Correlation with Seismicity and Fluid Flow, AGU Fall Meeting, San Francisco, CA, Dec. 2004.

Schwartz, S.Y. and H.R. DeShon, Distinct Geodetic and Seismic Up-dip Limits to the Northern Costa Rica Seismogenic Zone: Evidence for Two Mechanical Transitions, AGU Fall Meeting, San Francisco, CA, Dec. 2004.

DeShon, H.R., S.Y. Schwartz, A.V. Newman, L.M. Dorman, M. Protti, and V. Gonzalez, Geometry and velocity structure of the northern Costa Rica seismogenic zone from 3D local earthquake tomography, AGU Fall Meeting, San Francisco, CA, Dec. 2003.

Schwartz, S.Y., C. Flores, and H.R. DeShon, Shallow Subduction Zone Structure in Northern Costa Rica From Receiver Function Analysis at CRSEIZE Seismic Stations, AGU Fall Meeting, San Francisco, CA, Dec. 2003.

DeShon, H.R., K.M. Brown, S.Y. Schwartz, M. Tryon, and L.M. Dorman, Comparisons of seismicity and fluid flow behavior along the western Costa Rica margin, MARGINS SEIZE Theoretical Workshop, Snowbird, Utah, March 2003.

DeShon, H.R., S.Y. Schwartz, J. Revenaugh, M.T. Hagerty, and M. Protti, Statistical Studies on summit explosions and volcanic tremor, Arenal Volcano, Costa Rica, AGU Fall Meeting, San Francisco, CA, Dec 2002.

DeShon, H.R., S.Y. Schwartz, S.L. Bilek, L.M. Dorman, and M. Protti, Seismogenic zone structure along the Middle America Trench from aftershock relocations offshore the Osa Peninsula, Costa Rica, IRIS, Waikola, Hawaii, June 2002.

DeShon, H.R., S.Y. Schwartz, J. Revenaugh, and M.T. Hagerty, Summit explosion and volcanic tremor statistics from 1995-1999, Arenal Volcano, Costa Rica, SSA Spring Meeting, Victoria, British Columbia, Canada, April 2002.

DeShon, H.R., S.Y. Schwartz, S.L. Bilek, L. Dorman, M. Protti, and V. Gonzalez, Characteristics of the central Costa Rican seismogenic zone determined from microseismicity, AGU Fall Meeting, San Francisco, CA, Dec 2001.

Schwartz, S.Y., S. Bilek, H. DeShon, A. Newman, D. Sampson, M. Protti, V. Gonzalez, F. Guendel, L. Dorman, A. Sauter, S. Escher, J. Bialas, E. Flueh, T. Dixon, E. Norabuena, M. Avants, Preliminary seismic results from the Osa and Nicoya Peninsulas, Costa Rica, MARGINS SEIZE Theoretical Workshop, Heredia, Costa Rica, June 2001.

DeShon, H.R., S.Y. Schwartz, and S.L. Bilek, 2000.  Seismogenic zone structure northwest of the Osa Peninsula, Costa Rica as defined by earthquake locations, AGU Fall Meeting, Dec 2000.

DeShon, H.R., and V.L. Hansen,  Geologic evolution in southern Rusalka Planitia in the Diana-Dali Quadrangle (V37), USGS/NASA Mars and Venus MappersÍ Meeting, Buffalo, NY, June 1999.

DeShon, H.R., and V.L. Hansen, Geologic Relations within the Diana-Dali Quadrangle (V37), USGS/NASA Mars and Venus MappersÍ Meeting, Flagstaff, AZ, June 1998.

DeShon, H.R. and V.L. Hansen, Preliminary Geologic History of the Diana-Dali Quadrangle (V37), Venus, Lunar and Planetary Science Conference [CD-ROM], XXIX, abstract 1438, 1998.



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Updated May, 2013