TY - BOOK AU - Beavan, J. TI - Near-simultaneous great earthquakes at Tongan megathrust and outer rise in September 2009 PY - 2010/// CY - [S.l.] PB - [s.n] KW - Geology KW - Tonga KW - Earthquakes N1 - "The Earth’s largest earthquakes and tsunamis are usually caused by thrust-faulting earthquakes on the shallow part of the subduction interface between two tectonic plates, where stored elastic energy due to convergence between the plates is rapidly released1, 2. The tsunami that devastated the Samoan and northern Tongan islands on 29 September 2009 was preceded by a globally recorded magnitude-8 normal-faulting earthquake in the outer-rise region, where the Pacific plate bends before entering the subduction zone..." UR - http://www.nature.com/nature/journal/v466/n7309/pdf/nature09292.pdf ER -