The Pacific Tsunami Warning Center canceled a tsunami warning less than an hour after it was issued Wednesday for Kermadec Island, Tonga and New Zealand. A tsunami was detected following a major earthquake nearby.
A tsunami warning has been issued for the western coastal areas of the United States and Canada after a massive earthquake struck off the coast of Japan.
A magnitude 5.0 earthquake hit off the coast of southeastern Alaska Tuesday, according to the U.S. Geological Survey.
Tsunami warnings were canceled for all countries Sunday, a day after a deadly 8.8-magnitude earthquake struck Chile, forecasters said.
When an earthquake threatens to turn part of an ocean into fast-moving walls of water, tsunami warning scientists can do nothing for the first five minutes except wait for information. But within the next five minutes, they have to decide whether to issue a warning of danger.
Tsunami alerts issued for the Pacific Basin due to a massive underwater earthquake were lifted hours later Saturday when only minor surges resulted.
The following is a list of tsunami warnings and watches following a major earthquake on Wednesday in the Kuril Islands.
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