The photo on the bottom left was
provided by
(http://teachers.egfi-k12.org/tsunami-waves-destructive-power/),
and depicts the some of the
devastation
from a tsunami generated by the
2011
Tohoku earthquake. The tsunami caused over
400 lives to be lost, 900 fishing boats were
destroyed, and over 4000 thousands buildings were
demolished. The photo on the right was provided by
(http://carstenknoche.com/japan-earthquake-disaster-touhoku-2011/),
and depicts damage caused by the 2011 tsunami,
which was generated by the Tohoku earthquake. The
photo on the top left was provided by
(http://www.weirdhut.com/amazing/amazing-photos-of-natural-disasters/)
and depicts the
2004
Indonesian Tsunami.