References

[1] M. Mizoue, "Deep Crustal Discontinuity Underlain by Molten Material as Deduced from Reflection Phases on Microearthquake Seismograms," Bulletin of the Earthquake Research Institute, University of Tokyo, 55, 1980 pp. 705-735.

[2] A. Hasegawa, A. Yamamoto, D. Zhao, S. Hori, and S. Horiuchi, "Deep Structure of Arc Volcanoes as Inferred from Seismic Observations," Philosophical Transactions of the Royal Society of London Series A, 342, 1993 pp. 167-178.

[3] A. Hasegawa, D. Zhao, S. Hori, A. Yamamoto, and S. Horiuchi, "Deep Structure of the Northeastern Japan Arc and its Relationship to Seismic and Volcanic Activity," Nature, 352, 1991 pp. 683-689.

[4] D. Zhao, A. Hasegawa, and S. Horiuchi, "Tomographic Imaging of P and S Wave Velocity Structure beneath Northeastern Japan," Journal of Geophysical Research, 97, 1992 pp. 19909-19928.