ANCHORAGE, Alaska (AP) — A small tsunami prompted state and federal officials to warn people in southeast Alaska and down the Canadian coast to take precautions.The warning was sparked by a strong earthquake Saturday night that shook off the west coast of Canada. The U.S. Geological Survey said the 7.7-magnitude earthquake hit in the Queen Charlotte Islands area, followed by a 5.8-magnitude aftershock several minutes later.The National Weather Service issued a warning for coastal areas of southeast Alaska including the small community of Craig. The U.S. Coast Guard in Alaska said it's trying to warn everyone with a boat on the water to prepare for a potential tsunami. The first wave is expected to be about a foot.Lt. Bernard Auth of the Juneau Command Center said the Coast Guard was also working with local authorities to alert people in coastal towns to take precautions.