Basal reflector under the Philippine Sea PlateT. Tonegawa; G. Helffrich · 2012

Shear wave splitting around the northern Atlantic: frozen Pangaean lithospheric anisotropy?G. Barruol; G. Helffrich; A. Vauchez · 1997

Depleted swell root beneath the Cape Verde IslandsA. Lodge; G. Helffrich · 2006

Chemical and seismological constraints on mantle heterogeneityHelffrich, G. · Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences · 2002

How light element addition can lower core liquid wave speedsG. Helffrich · 2012

Seismological Constraints on Core Composition from Fe-O-S Liquid ImmiscibilityHelffrich, G. · Science · 2004

Plume scar in the mantle lithosphere beneath the Seychelles revealed by seismic imagingJ.O.S. Hammond; J.S. Collier; J.-M. Kendall; G. Helffrich; G. Rümpker · 2012

Precambrian crustal evolution: Seismic constraints from the Canadian ShieldD.A. Thompson; I.D. Bastow; G. Helffrich; J-M. Kendall; J. Wookey; D.B. Snyder; D.W. Eaton · 2010

Multiwavelet Seismic-Wave GradiometryPoppeliers, C. · Bulletin of the Seismological Society of America · 2011

Facilitated Estimation of ETASSchoenberg, F. P. · Bulletin of the Seismological Society of America · 2013

Scenario ShakeMaps for Ottawa, CanadaPal, J. D.; Atkinson, G. M. · Bulletin of the Seismological Society of America · 2012

Foreshock Rates from Aftershock AbundanceChristophersen, A.; Smith, E. G. C. · Bulletin of the Seismological Society of America · 2008

Tohoku Earthquake: A Surprise?Kagan, Y. Y.; Jackson, D. D. · Bulletin of the Seismological Society of America · 2013

Frequency Distribution of Felt EarthquakesKato, M. · Bulletin of the Seismological Society of America · 2013

Single-Station SigmaAtkinson, G. M. · Bulletin of the Seismological Society of America · 2006

Wave Gradiometry in Two DimensionsLangston, C. A. · Bulletin of the Seismological Society of America · 2007