Tsunami Warning Systems

Tsunami Warning Systems

2017-12-07: Link updates were made to direct learners to the new U.S. Tsunami Warning System page, which includes both National Tsunami Warning Center and Pacific Tsunami Warning Center information. TsunamiReady Program links were also updated.

2016-01-07: This lesson was updated to reflect developments and changes to the tsunami warning process as of 2015. These include a 2013 renaming of the West Coast/Alaska Tsunami Warning Center to the National Tsunami Warning Center, examples of updated Warning Center products, new response criteria information, updated content about emerging technologies, and other refinements. The format for the lesson was updated to be more universally accessible across browsers and platforms.

2014-05-01: In October 2013, the West Coast/Alaska Tsunami Warning was renamed the National Tsunami Warning Center. This lesson currently reflects the previous name but is a candidate for a 2014 update.