Below are definitions of important tsunami terms.

• coastal flooding: seashore flooding caused by high tides usually brought about by storms
• storm surge: a rise in sea level along the coast as a result of high storm winds
• tsunami: a large ocean wave usually caused by an underwater earthquake or a volcanic explosion

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Forces of Nature: ThinkQuest 2000 (Team #C003603)

http://library.thinkquest.org/C003603/english/tsunamis/glossary.shtml