Here are the newest additions to The Best Sites To Learn About Tsunamis (they would have to be modified to be made accessible to ELL’s):

California’s tsunami threat is from The Los Angeles Times

The Awesome Unpredictability of Tsunamis is from The Wall Street Journal.

Lesson Plan: The Science of Tsunamis: Seeking Understanding In The Wake of Tragedy is from PBS.

Tsunamis: A Primer comes from The New York Review of Books.