IDL Programming Language is Engine Behind Australian Tsunami Decision Tool On December 26, 2004, a massive magnitude 9.0 earthquake hit just off the coast of north Sumatra, triggering a tsunami that sent waves up to 100 feet high into coastal areas throughout the Indian Ocean. More than a quarter million people in Indonesia and 13 other countries perished, in large part because they had little to no warning the tsunami was coming. A tsunami, sometimes called a tidal wave, is a massive displacement of water usually caused by an undersea earthquake. The tsunami waves often travel across large water bodies wreaking tremendous damage on coastal areas when they make landfall. An earthquake strong enough to potentially trigger a tsunami affecting Australia occurs on average about once a week. W

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