(also known as Ratchkovski, Ratchkovsky and Ratchkovskaia)
A. D'Alessandro, and N.A. Ruppert, Evaluation of location performance and magnitude of completeness of Alaska Regional Seismic Network by SNES method, in preparation.
J. Gomberg, S. Prejean, and N.A. Ruppert, Afterslip, Tremor, and the Depth Extent of Earthquake Rupture, in preparation.
N.A. Ruppert, N.P.Kozyreva, and R.A.Hansen, Review of crustal seismicity in the Aleutian Arc and implications for arc deformation, Tectonophysics, submitted, 2011.
N.A. Ruppert, S. Prejean, and R.A. Hansen, Seismic swarm associated with the 2008 eruption of Kasatochi Volcano, Alaska: earthquake locations and source parameters, J. Geophys. Res., 116, B00B07, doi:10.1029/2010JB007435, 2011.
O'Neal, S., C. Larsen, N. Ruppert, and R. Hansen, Iceberg Calving as a Primary Source of Regional-Scale Glacier-Generated Seismicity in the St. Elias Mountains, Alaska, Journal of Geophysical Research - Earth Surface, vol. 115, F04034, doi:10.1029/2009JF001598, 2010.
N.A. Ruppert, and R.A. Hansen, Temporal and spatial variations of local magnitudes in Alaska and Aleutians and comparison with body-wave and moment magnitudes, Bull. Seis. Soc. Am. 100, doi:10.1785/0120090172, 2010.
Fisher, M.A., N.A. Ruppert, R.A. White, R.W. Sliter, and F.L. Wong, Distal volcano-tectonic seismicity near Augustine volcano, in The 2006 Eruption of Augustine Volcano, Alaska, edited by J.A. Power, M.L. Coombs, and J.T. Freymueller, USGS Professional Paper, 1769, 119-128, 2010.
van Stiphout, T., E. Kissling, S. Wiemer, and N.A. Ruppert, Magmatic processes in the Alaska subduction zone by combined 3-D b value imaging and targeted seismic tomography, J. Geophys. Res., VOL. 114, B11302, doi:10.1029/2008JB005958, 2009.
Fisher, M.A., N.A. Ruppert, R.A. White, F.H. Wilson, D. Copmer, R.W. Sliter, and F.L. Wong, A distal earthquake cluster concurrent with the 2006 explosive eruption of Augustine Volcano, Alaska, Tectonophysics, doi:10.1016/j.tecto.2009.01.019, 2009.
N.A. Ruppert, K.D. Ridgway, J.T. Freymueller, R.S. Cross, and R.A. Hansen, Active tectonics of interior Alaska: Seismicity, GPS geodesy, and local geomorphology, in Active Tectonics and Seismic Potential in Alaska, editors J.T. Freymueller, et al., Geophysical Monograph Series, v.179, 109-133, 2008.
N.A. Ruppert, Stress map for Alaska from earthquake focal mechanisms, in Active Tectonics and Seismic Potential in Alaska, editors J.T. Freymueller, et al., Geophysical Monograph Series, v.179, 351-367, 2008.
Sauber, J.M., and N.A. Ruppert, Ice mass fluctutations and earthquake hazard in southern Alaska, in Active Tectonics and Seismic Potential in Alaska, editors J.T. Freymueller, et al., Geophysical Monograph Series, v.179, 369-384, 2008.
N.A. Ruppert, Five years after the 2002 Denali Fault earthquake sequence: A regional network operator's perspective, Seism. Res. Lett., V.79, n.3, 424-425, doi:10.1785/gssrl.79.3.424, 2008.
Berger, A.L., J.A. Spotila, J.B. Chapman, T.L. Pavlis, E. Enkelmann, N.A. Ruppert, and J.T. Buscher, Architecture, kinematics, and exumation of a convergent orogenic wedge: A thermochronological investigation of tectonic-climatic interactions within the central St. Elias orogen, Alaska, Earth Planet. Sci. Lett., doi:10.1016/j.epsl.2008.02.034, 2008.
Fuis, G.S., T.E. Moore, G. Plafker, T.M. Brocher, M.A. Fisher, W.D. Mooney, W.J. Nokleberg, R.A. Page, B.C. Beaudoin, N.I. Christensen, A.R. Levander, W.J. Lutter, R.W. Saltus, and N.A. Ruppert, The Trans-Alaska Transect and continental evolution involving subduction underplating and synchronous foreland thrusting, Geology, v. 36, n. 3, doi: 101130/G24257A.1, 267-270, 2008.
Ruppert, N.A., J.M. Lees, and N.P. Kozyreva, Seismicity, earthquakes and structure along the Alaska-Aleutian and Kamchatka-Kurile subduction zones: A review, in Volcanism and Subduction: The Kamchatka region, editors J. Eichelberger, E. Gordeev, P. Izbekov, M. Kasahara, and J. Lees, Geophysical Monograph Series, v.172, AGU, Wqashington, DC, 129-144, 2007.
Qi, C., D. Zhao, Yo. Chen, and N.A. Ruppert, New insight into the crust and upper mantle structure under Alaska, Polar Science, doi:10.1016/j.polar.2007.07.001, 2007.
Eberhart-Phillips, D., D.H. Christensen, T.M. Brocher, R. Hansen, N.A. Ruppert, P.J. Haeussler, and G.A. Abers, Imaging the transition from Aleutian subduction to Yakutat collision in central Alaska, with local earthquakes and active source data, J. Geophys. Res., V. 11, B11303, doi:10.1029/2005JB004240, 2006.
N.A. Ratchkovski, S. Wiemer, and R.A. Hansen, Seismotectonics of the Central Denali Fault, Alaska and the 2002 Denali Fault Earthquake Sequence, Bull. Seis. Soc. Am. 6B, S156-S174, 2004.
T.M. Brocher, G.S. Fuis, W.J. Lutter, N.I. Christensen, and N.A. Ratchkovski, Seismic velocity models for the Denali fault zone along the Richardson Highway, Alaska, Bull. Seis. Soc. Am. 6B, S85-S106, 2004.
D.D. Oglesby, D.S. Dreger, R.A. Harris, N. Ratchkovski, and R. Hansen, Inverse kinematic and forward dynamic models of the 2002 Denali, Alaska earthquake, Bull. Seis. Soc. Am. B6, S214-S233, 2004.
M.A. Fisher, N.A. Ratchkovski, W.J. Nokleberg, L. Pellerin, and J.M. Glen, Geophysical data reveal the crustal structure of the Alaska Range orogen within the aftershock zone of the M=7.9 Denali Fault earthquake, Bull. Seis. Soc. Am. B6, S107-S131, 2004.
A. Martirosyan, R. Hansen, and N. Ratchkovski, Strong-motion records of the 2002 Denali Fault, Alaska earthquake, Earthquake Spectra 20, 579-596, 2004.
R.A. Hansen and N.A. Ratchkovski, Seismological aspects of the 2002 Denali Fault, Alaska earthquake, Earthquake Spectra 20, 555-563, 2004.
M.A. Fisher, W.J. Nokleberg, N.A. Ratchkovski, L. Pellerin, J.M. Glen, T.M. Brocher, and J. Booker, Geophysical investigation of the Denali fault and Alaska Range orogen within the aftershock zone of the October-November, 2002, M=7.9 Denali fault earthquake, Geology 32, 269-272, 2004.
D. Dreger, D.D. Oglesby, R.A. Harris, N. Ratchkovski, and R. Hansen, Kinematic and dynamic rupture models of the November 3, 2002 Mw 7.9 Denali, Alaska, earthquake, Geophys. Res. Lett. 31, L04605, doi:10.1029/2003GL018333, 2004.
D.I. Doser, N.A. Ratchkovski, P. Haeussler, and R. Saltus, Changes in Crustal Deformation Rates Associated with the 1964 Great Alaska Earthquake, Bull. Seis. Soc. Am. 94, 320-325, 2004.
Ratchkovski, N.A., Change in stress directions along the central Denali fault, Alaska after the 2002 earthquake sequence, Geophys. Res. Lett. 30, 2017, doi:10.1029/2003GL017905, 2003.
Ratchkovski, N.A., A. Hansen, J.C. Stachnik, T. Cox, O. Fox, L. Rao, E. Clark, M. Lafevers, S. Estes, J.B. MacCormack, and T. Williams, Aftershock sequence of the MW 7.9 Denali, Alaska, earthquake of 3 November 2002 from regional seismic network data, Seism. Res. Lett. 74, 743-752, 2003.
D. Eberhart-Phillips, P.J. Haeussler, J.T. Freymueller, A.D. Frankel, C.M. Rubin, P. Craw, N.A. Ratchkovski, G. Anderson, A.J. Crone, T.E. Dawson, H. Fletcher, R. Hansen, E.L. Harp, R.A. Harris, D.P. Hill, S. Hreinsdottir, R.W. Jibson, L.M. Jones, D.K. Keefer, C.F. Larsen, S.C. Moran, S.F. Personlus, G. Plafker, B. Sherrod, K. Sieh, and W.K. Wallace, The 2002 Denali Fault Earthquake, Alaska: A Large Magnitude, Slip-Partitioned Event, Science 300, 1113-1118, 2003.
Ratchkovski, N.A. and R.A. Hansen, New evidence for segmentation of the Alaska subduction zone, Bull. Seism. Soc. Am. 92, 1754-1765, 2002.
Ratchkovski, N.A. and R.A. Hansen, New constraints on tectonics of interior Alaska: Earthquake locations, source mechanisms and stress regime, Bull. Seism. Soc. Am. 92, 998-1014, 2002.
Ratchkovski, N.A. and R.A. Hansen, Sequence of strong intraplate earthquakes in the Kodiak Island region, Alaska in 1999-2001, Geophys. Res. Lett. 28, 3729-3732, 2001.
Hansen, R.A. and N.A. Ratchkovski, The Kodiak Island, Alaska, Mw 7 earthquake of December 6, 1999, Seism. Res. Lett. 72, 22-32, 2001.
Ratchkovsky, N.A., J. Pujol, and N. Biswas, Relocation of shallow earthquakes in southern Alaska using Joint Hypocenter Determination method, J. Seism. 2, 87-102, 1998.
Ratchkovsky, N.A., J. Pujol, and N. Biswas, Relocation of earthquakes in the Cook Inlet area, south-central Alaska, using the Joint Hypocenter Determination method, Bull. Seism. Soc. Am. 87, 620-636, 1997.
Ratchkovsky, N.A., J. Pujol, and N. Biswas, Stress pattern in the double seismic zone beneath Cook Inlet, south-central Alaska, Tectonophysics 281, 164-172, 1997.
Mitrofanov, G.M., and N.A. Ratchkovskaia, A priori information in analysis and correction of the seismic reflection data, Geologia i Geofizika 37, 74-78, 1996 (in Russian).
N.A. Ruppert, N.Kozyreva, and R.A.Hansen, Review of crustal (non-volcanic) seismicity in the Aleutian Arc, AGU Fall Meeting, 2010.
G.S. Fuis, T.E. Moore, G. Plafker, T.M. Brocher, M.A. Fisher, W.D. Mooney, W.J. Nokleberg, R.A. Page, B.C. Beaudoin, N.I. Christensen, A. Levander, W.J. Lutter, R.W. Saltus, and N.A. Ruppert, Continental Evolution Involving Subduction Underplating and Synchronous Foreland Thrusting: Evidence from the Trans-Alaska Crustal Transect, AGU Fall Meeting, 2010.
A. D'Alessandro and N.A.Ruppert, Location performance of the Alaska regional seismic network: an evaluation by the SNES method, ESC 32nd General Assembly, September 6-10, Montpellier, France, 2010.
N.A.Ruppert, and R.A.Hansen, Temporal and Spatial Variations of Local Magnitudes in Alaska and Aleutians and Calibration with Moment Magnitudes, Seism. Res. Lett., V.81, n.2, p. 342SSA Meeting, April 21-23, Portland, Washington, 2010.
E.Suleimani, N. Ruppert, D.Nikolsky, and R.A.Hansen, Near-field modeling of the 1964 Alaska Tsunami: a source function study, 24th International Tsunami Symposium, Novosibirsk, Russia, July 14-17, 2009.
N.A.Ruppert, R.A.Hansen, and S.Prejean, Seismic Swarm Associated With the 2008 Eruption of Kasatochi Volcano, Alaska, JKASP 6 Meeting, Fairbanks, Alaska, June 22-26, 2009.
N.A. Ruppert, N.P.Kozyreva, and R.A.Hansen, Strong Crustal Earthquakes in Central Aleutian Islands in 2006-2008: Implications for the Block Rotation Model, JKASP 6 Meeting, Fairbanks, Alaska, June 22-26, 2009.
G.L.Pavlis, N.A.Ruppert, R.A.Hansen, A.Panessa, and J.Howard, Seismicity of Southeast Alaska: Links Between Fault Geometry and Glaciers, AGU Fall Meeting, Abstract T53B-1946, 2008.
A.L.Panessa, G.L.Pavlis, R.A.Hansen, and N.A.Ruppert, Seismicity of the Bering Glacier Region: Inferences from Relocations Using Data from STEEP, AGU Fall Meeting, Abstract T53B-1944, 2008.
N.A.Ruppert, R.A.Hansen, M.West, and S.Prejean, Seismic Swarm Associated With the 2008 Eruption of Kasatochi Volcano, Alaska, AGU Fall Meeting, Abstract A53B-0261, 2008.
P.J.Haeussler, R.W.Saltus, N. Ruppert, and S.M.Karl, Evidence for Pliocene to present thrust faulting on the south side of the Alaska Range in the vicinity of the Peters Hills piggyback basin, AGU Fall Meeting, Abstract T44A-08, 2008.
E.Suleimani, N. Ruppert, M.Fisher, D.West, and R.A.Hansen, The Contribution of Coseismic Displacements due to Splay Faults Into the Local Wavefield of the 1964 Alaska Tsunami, AGU Fall Meeting, Abstract OS43D-1334, 2008.
N.P.Kozyreva, N.A. Ruppert, and R.A.Hansen, Strong Crustal Earthquakes in Central Aleutian Islands in 2006-2008: Implications for the Block Rotation Model, AGU Fall Meeting, Abstract S23B-1893, 2008.
N.A.Ruppert, and R.A.Hansen, Five years after the Denali Fault earthquake sequence - data collected, lessons learned: A regional network operator's perspective, Seism. Res. Lett., V.79, n.2, 326, SSA Meeting, April 16-18, Santa Fe, New Mexico, 2008.
N.A. Ruppert, and R.A. Hansen, Analysis of 4+ years of aftershock data of the 2002 M7.9 Denali Fault, Alaska, earthquake, IUGG Assembly, July 2-13, Perugia, Italy, 2007.
R.A. Hansen, and N.A. Ruppert, Seismicity along the Alaska-Aleutian arc: Case studies for model evaluation, IUGG Assembly, July 2-13, Perugia, Italy, 2007.
N.A. Ruppert, and R.A. Hansen, Real-time data processing systems and products at the Alaska Earthquake Information Center, AGU Spring Assembly, May 22-25, Acapulco, Mexico, 2007.
N.A. Ruppert, and R.A. Hansen, Real-time data processing systems and products at the Alaska Earthquake Information Center, Seism. Res. Lett., V.78, n.2, 242, SSA Meeting, April 11-13, Kona, Hawaii, 2007.
M.A. Fisher, N.A. Ruppert, R.A. White, R.W. Sliter, and F.L. Wong, Augustine volcano, Alaska: Regional seismicity and tectonics associated with its latest (2006) explosive-eruption phase, Seism. Res. Lett., V.78, n.2, 284, SSA Meeting, April 11-13, Kona, Hawaii, 2007.
T. Van Stiphout, E. Kissling, S. Wiemer, and N.A. Ruppert, Combined 3-D b-value imaging and target seismic tomography for investigation of magmatic processes in ths Alaska subduction zone, Seism. Res. Lett., V.78, n.2, 306, SSA Meeting, April 11-13, Kona, Hawaii, 2007.
N.A. Ruppert, R.A. Hansen, S. Estes, M. LaFevers, J. Sandru, G. Pavlis, M. Bauer, M. Gordon, M. Fowler, and L. Lowe, Seismic component of the STEEP project, Alaska: Results of the second field season, Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract S11A-0192, 2006.
A.H. Martirosyan, K.G. Lindquist, R.A. Hansen, and N.A. Ruppert, Implementation of the ShakeMap System in Alaska, Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract S13C-0248, 2006.
L. Burris, N. Ruppert, and R. Hansen, Is it Denali's Fault: How Does the Denali Fault System Affect the Seismicity and Stresses in the Kantishna Cluster?, Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract S31B-0208, 2006.
M.A. Fisher, J.T. Freymueller, N.A. Ruppert, T. Parsons, D.M. Eberhart-Phillips, R.W. Sliter, and F.L. Wong, The South Boundary of the Subducted Yakutat Terrane Seems to Affect the Distribution of Forearc Subsidence Since the 1964 Great Alaska Earthquake (Mw=9.2), Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract T21D-0466, 2006.
N.A. Ruppert, R.A. Hansen, and M. Robinson, Earthquake detection and data processing systems at the Alaska Earthquake Information Center, SSA 2006 Annual Meeting, San Francisco, April 17-21.
K. Lindquist, J. Stachnik, R. Hansen, and N. Ruppert, Antelope-based alarm systems for earthquake monitoring, Seismological Research Letters, vol.77, no.2, pp.216, Apr 2006.
N.A. Ruppert, Interior Alaska seismicity and the Denali Fault earthquake, Chapman Conference, Girdwood, AK, May 11-14, 2006.
N.A. Ruppert, Stress map for Alaska from earthquake focal mechanisms, Chapman Conference, Girdwood, AK, May 11-14, 2006.
N.A. Ruppert and R.A. Hansen, Analysis of the aftershock sequence of the 2002 Mw 7.9 Denali Fault, Alaska earthquake, Chapman Conference, Girdwood, AK, May 11-14, 2006.
R.A. Hansen, N.A. Ruppert, and G. Pavlis, Relocation studies of the southcentral Alaska seismicity augmented with the STEEP portable seismic network, Chapman Conference, Girdwood, AK, May 11-14, 2006.
R.A. Hansen and N.A. Ruppert, Seismicity studies along the Alaska-Aleutian Arc, Chapman Conference, Girdwood, AK, May 11-14, 2006.
M.A. Fisher, N.A. Ruppert, D.M. Eberhard-Phillips, R.E. Wells, R.J. Blakely, and R.W. Sliter, Active tectonics and deep-crustal structure of the continental margin beneath Prince William Sound and the northernmost Gulf of Alaska, Chapman Conference, Girdwood, AK, May 11-14, 2006.
R.A. Hansen, S. Estes, J.C. Stachnik, M. LaFevers, J. Roush, R. Sanches, E. Fuerst, J. Sandru, N.A. Ruppert, and M. Fowler, Seismic component of the STEEP project, Alaska: Results of the first field season, 2005 Fall AGU Meeting, San Francisco, December 5-9.
N.A. Ruppert, Stress map for Alaska from earthquake focal mechanisms, 2005 Fall AGU Meeting, San Francisco, December 5-9.
M.A. Fisher, N.A. Ruppert, D. Eberhard-Phillips, T.M. Brocher, R.E. Wells, R.J. Blakely, and R.W. Sliter, Tectonics and seismicity of the Alaskan continental margin near the collision zone of the Yakutat Terrane and the epicenter of the 1964 Great Alaska earthquake, Abstracts with Programs - Geological Society of America, vol.37, no.7, pp.79, Oct 2005.
J.C. Stachnik, R.A. Hansen, and N.A. Ratchkovski, Real-time processing and data exchange at the Alaska Earthquake Information Center, SSA 2005 Annual Meeting, 27-29 April.
M.A. Fisher, N. Ratchkovski, R.E. Wells, D.M. Eberhart-Phillips, R.J. Blakely, R. Sliter, and E.L. Geist, Seismotectonics of the rupture zone of the 1964 Mw = 9.2 great Alaska earthquake, Abstracts with Programs - Geological Society of America, vol.37, no.4, pp.44, Apr 2005.
N. Ratchkovski and R. Hansen, Progress towards near-realtime seismic moment tensors at the Alaska Earthquake Information Center, 2004 Fall AGU meeting, San Francisco, 13-17 December.
J. Walter, and N. Ratchkovski, Stress field along the central Denali Fault, Alaska, from relocated aftershocks of the 2002 earthquake sequence, Eos, Transactions, American Geophysical Union, vol.85, no.47, Suppl., Abstract S51A-0141, Dec 2004.
H. Zhang, N. Ratchkovski, C.H. Thurber, and R. Hansen, High-resolution seismic velocity structure of the Alaska subduction zone revealed by double-difference tomography, Eos, Transactions, American Geophysical Union, vol.85, no.47, Suppl., Abstract S51B-0168, Dec 2004.
M. Fisher,T. Bruns, N. Ratchkovski, T. Brocher, T. Pavlis, and G. Plafker, Late Cenozoic collision of the Yakutat Terrane, Gulf of Alaska, as imaged in deep-crustal seismic-reflection data; a possible analog of earlier Cordilleran terrane interactions, Abstracts with Programs - Geological Society of America, vol.36, no.5, pp.512, Nov 2004.
D.S. Dreger, D.D. Oglesby, R. Harris, N. Ratchkovski, and R. Hansen, Kinematic and dynamic rupture models of the November 3, 2002 Mw 7.9 Denali, Alaska, earthquake, Geophysical Research Letters, vol.31, no.4, 4 pp., Feb 2004.
R.A. Hansen, N.A. Ratchkovski, and S. Wiemer, The 2002 Denali fault, Alaska earthquake sequence recorded on the regional network: Earthquake locations, magnitudes and focal mechanisms, 2004 SSA meeting.
N.A. Ratchkovski, and R.A. Hansen, The 2002 Denali Fault, Alaska earthquake sequence recorded on the regional network: Earthquake locations, magnitudes and focal mechanisms, 2003 AGU Fall meeting.
Harris, R.A., Oglesby, D.D., Ratchkovski, N.A., Eberhart-Phillips, D., and Dreger, D., Spontaneous Rupture Model of the 2002 M 7.9 Denali Fault Earthquake, Alaska, Seism. Res. Lett., SSA Annual Meeting, V. 74, 242, 2003.
Fisher, M.A., Nokleberg, W.J., Ratchkovski, N.A., and Pellerin, L.F., Geophysical Investigation of the Denali Fault, Alaska, and the October-November 2002, M 7.9 Earthquake Sequence, Seism. Res. Lett., SSA Annual Meeting, V. 74, 236, 2003.
M.A. Fisher, L. Pellerin, J.M.G. Glen, N. Ratchkovski, and W.J. Nokleberg, A geophysical transect across the Alaska Range; relationship between crustal structure and the November, 2002, M = 7.9 Denali earthquake, Abstracts with Programs - Geological Society of America, vol.35, no.6, pp.561, Nov 2003.
Dreger, D., Ratchkovski, N.A., and Hansen, R.A., Source Kinematics of the 2002 Mw 7.9 Denali Fault Earthquake, Seism. Res. Lett., SSA Annual Meeting, V. 74, 236, 2003.
Ratchkovski, N.A., Hansen, R.A., and Stachnik, J.C., The 7.9 Denali Fault Earthquake of 3 November 2002: Aftershock Locations, Moment Tensors, and Focal Mechanisms from the Regional and Temporary Seismic Network Data, Seism. Res. Lett., SSA Annual Meeting, V. 74, 236, 2003.
Ratchkovski, N.A.; Hansen, R.A.; Kore, K.R., The 7.9 Denali Fault, Alaska Earthquake of November 3, 2002: Aftershock Locations, Moment Tensors and Focal Mechanisms from the Regional Seismic Network Data, Geophys. Res. Abstr., V. 5, EGS-AGU-EUG Joint Assembly, Abstract EAE03-A-12497, 2003.
Dreger, D.; Ratchkovski, N.; Hansen, R., Source Kinematics of the 3 November, 2002 Mw7.9 Denali Fault, Alaska Earthquake, Geophys. Res. Abstr., V. 5, EGS-AGU-EUG Joint Assembly, Abstract EAE03-A-13862, 2003.
D.D. Oglesby, R.A. Harris, N.A. Ratchkovski, D.M. Eberhart-Phillips, and D.S. Dreger, Spontaneous rupture model of the 2002 M7.9 Denali Fault earthquake, Alaska, Program and Abstracts - Arctic Science Conference, vol.54, pp.52, 2003.
K.R. Kore, N.A. Ratchkovski, and R.A. Hansen, The 2002 Denali fault earthquake sequence; seismic moment tremors, Program and Abstracts - Arctic Science Conference, vol.54, pp.56, 2003.
D.I. Doser, N.A. Ratchkovski, and P. Haeussler, Changes in Crustal Seismic Deformation Rates Associated with the 1964 Great Alaska Earthquake, Eos Trans. AGU, 83, 2002 Fall Meet. Suppl., Abstract S22B-1013, 2002.
N.A. Ratchkovski, R.A. Hansen, and J. Freymueller, What Can We Learn From the Double-Difference Relocations of the Alaska Earthquake Catalog?, Eos Trans. AGU, 83, 2002 Fall Meet. Suppl., Abstract S22B-1014, 2002.
C. Nye, M. Wyss, N.A. Ratchkovski, and H. Fletcher, Magmatism in the Denali Volcanic Gap, Southern Alaska, Eos Trans. AGU, 83, 2002 Fall Meet. Suppl., Abstract V12A-06, 2002.
O.C. Fox, N.A. Ratchkovski, T. Cox, and R.A. Hansen, The Nenana Mountain magnitude 6.7 earthquake of October 23, 2002, 2002 AGU Fall meeting.
N.A. Ratchkovski, R.A. Hansen, D. Christensen, and K.R. Kore, The 7.9 Denali fault earthquake: Aftershock locations, moment tensors and focal mechanisms from the regional seismic network data, 2002 AGU Fall meeting.
Ratchkovski, N.A. and R.A. Hansen, A sequence of Mw 5+ earthquakes at the southern end of the Minto Flats seismic zone, central Alaska, in 2000, Seism. Res. Lett., SSA 97th Annual Meeting, 73, 264, 2002.
Ratchkovski, N.A. and R.A. Hansen, Strong intraplate earthquakes in the Kodiak Island region, Alaska in 1999-2001, EOS, Transactions, AGU 2001 Fall Meeting, 82, F819, 2001.
Ratchkovski, N.A. and R.A. Hansen, New constraints on tectonics of interior Alaska: Earthquake locations, source mechanisms and stress regime, Alaska Geological Society Symposium, Fairbanks, Alaska, April 27-28, 2001.
Hansen, R.A. and N.A. Ratchkovski, 1999 and 2001 Mw 7 earthquakes in the Kodiak region, Alaska, Alaska Geological Society Symposium, Fairbanks, Alaska, April 27-28, 2001.
Hansen, R., N. Ratchkovski, T. Cox, and D. Christensen, Seismicity and seismo-tectonics of Alaska: Alaska as a natural laboratory for Earthscope, EarthScope Workshop: Making and Breaking Continent, Snowbird, Utah, October 10-12, 2001.
Ratchkovski, N.A. and R.A. Hansen, New constraints on tectonics of interior Alaska: Earthquake relocations and moment tensor inversion, EOS, Transactions, AGU 2000 Fall Meeting, 81, F870, 2000.
Hansen, R.A., N.A. Ratchkovski, and K.G. Lindquist, Kodiak Island MW 7 Earthquake of 6 December 1999, Seism. Res. Lett., SSA 95th Annual Meeting, 71, 236, 2000.
Ratchkovski, N.A. and R.A. Hansen, New evidence for segmentation of the subducted plate in Alaska, Seism. Res. Lett., SSA 95th Annual Meeting, 71, 238-239, 2000.
Ratchkovski, N.A. and R.A. Hansen, A new look at segmentation of the subducted plate in southern and central Alaska, Program and Abstracts, 50th Arctic Science Conference, Denali National Park and Preserve, Alaska, September 19-22, 176-177, 1999.
Ratchkovski, N.A., R.A. Hansen, and J.L. Orrey, Anomalous phases in the records of Alaskan subduction zone earthquakes: Observations and modeling, Seism. Res. Lett., SSA 94th Annual Meeting, 70, 258, 1999.
Ratchkovsky, N.A., R. Hansen, and K. Lindquist, Analysis of crustal and subduction zone Alaskan earthquakes using seismic array data, EOS, Transactions, AGU 1997 Fall Meeting, 78, F444, 1997.
Ratchkovsky, N.A., N. Biswas, and J. Pujol, Earthquake source zones in and around Anchorage, Alaska, Seism. Res. Lett., SSA 92nd Annual Meeting, 68, 316, 1997.
Ratchkovsky, N.A., J. Pujol, and N. Biswas, Double seismic zone beneath Cook Inlet, southern Alaska, EOS, Transactions, AGU 1996 Fall Meeting, 77>, F686, 1996.
Ratchkovsky, N.A., J. Pujol, and N. Biswas, Relocation of events in the Cook Inlet area, south-central Alaska, with the Joint Hypocenter Determination method, IUGG XXI General Assembly, Abstracts Week B, B391, 1995.
Ratchkovsky, N.A., J. Pujol, and N. Biswas, Relationship between JHD station corrections and velocity variations in the Cook Inlet area, south-central Alaska, GSA Cordilleran Section Meeting, Abstract # 18880, May 1995.
Ratchkovsky, N.A., and G. Mitrofanov, Thin elastic layer parameter determination by reflected wave dynamics, Technical Programme and Abstracts of Papers - European Association of Exploration Geophysicists, vol.56, pp. P142, June 1994.
Mitrofanov, G.M., and N.A. Ratchkovskaia, Studying of ``null space'' structure in problems of seismic decomposition, 55th EAEG Meeting, Paper P033, 1993.
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