estimated moment magnitude of 9.1–9.3 . Over of the boundary underwent thrust faulting and shifted up to vertically and horizontally. This rapid rise in the sea floor over such a short time (seven minutes) generated a massive tsunami that killed approximately 229,800 people along the coast of the Indian Ocean. References Further reading pdf Paul, J., Burgmann, R., Gaur, V. K., Bilham, R., Larson, K. M., Ananda, M. B., Jade, S., Mukal, M., Anupama, T. S.. Satyal, G., Kumar, D. 2001 The motion and active deformation of India. Geophys. Res. Lett. Vol. 28, No. 04, 647–651 2001. Tectonic plates Geology of Asia Geology of the Indian Ocean