320610
The tsunami was also observed in Canada , Japan , Mexico , Hawaii , Alaska , California and on many islands across the northern Pacific Ocean .
 Canada, Japan, Mexico, Hawaii, Alaska, California
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Canada, Japan, Mexico, Hawaii, Alaska, California