That is quite a huge area for this advisory.
From BC down to Mexico!
But the advisory says no watch or warning for those areas:
...TSUNAMI ADVISORY STATEMENT...
NO - REPEAT NO - WATCH OR WARNING IS IN EFFECT FOR THE
COASTAL AREAS FROM THE CALIFORNIA-MEXICO BORDER TO SEWARD
ALASKA
http://www.nws.noaa.gov/wwamap/wwatxtget.php?cwa=usa&wwa=tsunami%20warning