If a tsunmai has been generated, it's already hit them. Australia, NZ and elsewhere in the Pacific will have some time to prepare if a larger tsunami is crossing the ocean.
Here's the link:
http://www.prh.noaa.gov/ptwc/messages/pacific/2010/pacific.2010.02.27.064454.txt
Here's the link:
http://www.prh.noaa.gov/ptwc/messages/pacific/2010/pacific.2010.02.27.064454.txt