Deep low-frequency earthquakes in tremor localize to the plate interface in multiple subduction zones

Brown, J., G. C. Beroza, S. Ide, K. Ohta, D. R. Shelly, S. Y. Schwartz, W. Rabbel, M. Thorwart, and H. Kao (2009),Deep low-frequency earthquakes in tremor localize to the plate interface in multiple subduction zones, Geophys. Res. Lett., 36, L19306,doi:10.1029/2009GL040027.