There have been 21 tsunamis on the Oregon Coast since 1854. The last two damaging tsunamis were in 1964 as a result of the Great Alaskan Earthquake, and in 2011 as a result of the Great Tohoku Japan Earthquake that caused severe damage and contributed to the deaths of...
You never know when an earthquake will hit, and next month an app already active in California will be available to warn of any earthquakes to those on the beaches of the Oregon and Washington coast. Clearly, this app can be extremely useful in a nightmare scenario...