Tsunami warnings were issued for coastal areas across the Pacific basin - from Hawaii to Chile - as a result of the waves triggered by the Japan earthquake. This map shows the Pacific Tsunami Warning Center's "tsunami forecast model" of wave heights above normal sea level across the region and how long after the 0546 GMT earthquake they were expected. The tsunami was triggered by the most powerful
![Japan earthquake: Wave forecast map](https://cdn-ak-scissors.b.st-hatena.com/image/square/dc44d923abf9cea378035908fcbb644264a8c163/height=288;version=1;width=512/https%3A%2F%2Fstatic.files.bbci.co.uk%2Fws%2Fsimorgh-assets%2Fpublic%2Fnews%2Fimages%2Fmetadata%2Fposter-1024x576.png)