Russakoff, D., G. Ekström, and J. Tromp, A new analysis of the great 1970 Colombia earthquake and its isotropic component, J. Geophys. Res., 102 , 20,423-20,434, 1997.
Durek, J. J., and G. Ekström, Investigating discrepancies among measurements of traveling and standing wave attenuation, J. Geophys. Res., 102 , 24,529-24,544, 1997.
Ekström, G., and M. Nettles, Calibration of the HGLP seismograph network and centroid-moment tensor analysis of significant earthquakes of 1976, Phys. Earth Planet. Int., 101 , 219-243, 1997.
Smith, G. P., and G. Ekström, Interpretation of earthquake epicenters and CMT centroid locations, in terms of rupture length and direction Phys. Earth Planet. Int., 102 , 123-132, 1997.
Ekström, G., J. Tromp, and E.W.F. Larson, Measurements and global models of surface wave propagation, J. Geophys. Res., 102 , 8137-8157, 1997.
Ekström, G., and A. M. Dziewonski, The unique anisotropy of the Pacific upper mantle, Nature , 394 , 168-172, 1998.
Ekström, G., A. Morelli, E. Boschi, and A. M. Dziewonski, Moment tensor analysis of the central Italy earthquake sequence of September-October 1997, Geophys. Res. Lett. , 25, 1971-1974, 1998.
Nettles, M., and G. Ekström, Faulting mechanism of anomalous earthquakes near Bardarbunga volcano, Iceland, J. Geophys. Res., 103 , 17,973-17,983, 1998.