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2. Perfit, M. R. & Chadwick, W. W. Jr in Faulting and Magmatism at Mid-Ocean Ridges (eds Buck, W. R., Delaney, P. T., Karson, J. A. & Lagabrielle, Y. 59–116 (AGU Geophysical Monograph 106, American Geophysical Union, Washington DC, 1998).
3. Dziak, R. P. & Fox, C. G. The January 1998 earthquake swarm at Axial Volcano, Juan de Fuca Ridge: Hydroacoustic evidence of seafloor volcanic activity. Geophys. Res. Lett. 26, 3429–3432 (1999).
4. Embley, R. W., Chadwick, W. W. Jr, Clague, D. & Stakes, D. The 1998 eruption of Axial Volcano: Multibeam anomalies and seafloor observations. Geophys. Res. Lett. 26, 3425–2428 (1999).
5. Fox, C. G. In situ ground deformation measurements from the summit of Axial Volcano during the 1998 volcanic episode. Geophys. Res. Lett. 26, 3437–3440 (1999).