Updated 2:20pm — It’s a tricky thing working out how an earthquake on the other side of the Pacific Ocean will create a tsunami and where exactly that tsunami could travel.  Here’s the latest map from the US Govt, it’s just been updated (2pm hour)

WHAT CHANGED?
Here’s a comparison of the 1pm update and the 2pm one.

1pm:

2pm Update

– Graphic courtesy US Govt (NOAA)

– WeatherWatch.co.nz