Sunday 1 August 2010 by Libadmin2008

8th International Scientific Conference - SGEM2008, www.sgem.org, SGEM2008 Conference Proceedings/ ISBN: 954-918181-2, June 16-20, 2008, Vol. 2, 419-426 pp


This study given a simple physic and hydraulics explication behind earthquake, called
Tsunami. This explication based to energy conservation equation and wave properties
have bind used to understand this phenomenon. As we calculated, the Energy E,
Velocity v and wave length λ of tsunami are decreased but the amplitude of tsunami
wave A is increased when it reaches the land, respectively. The changing of wave height
when it close to the shore makes tsunami difficult to be detected at early stage. From
our first calculation of radiation earthquake energy using Gutenberg-Richer formula the
huge « explosion » energy undersea at 00 :58 :50 (UTC) or 160 km from North Sumatra
as the Tsunami by 26 December 2004, is approximated to 1 gigatons of TNT equivalent
to 80000 « Little Boy » Hiroshima atomic bomb, where it is initial area for Tsunami wave to propagate.