A 7.2 magnitude earthquake triggered a brief tsunami advisory for southern Alaska late Saturday, but the advisory was canceled about an hour later, monitoring bodies reported. The earthquake was felt widely throughout the Aleutian Islands, the Alaskan Peninsula and Cook Inlet regions, according to the Alaska Earthquake Center. In Kodiak, Alaska, sirens warned of a possible tsunami and sent people driving to shelters late at night, according to video posted to social media. The United States Geological Survey wrote in a social media post that the earthquake occurred 106 kilometers (65.8 miles) south of Sand Point, Alaska, at 10:48 p.m. Saturday. The quake initially was reported as 7.4 magnitude but downgraded to 7.2 soon after. The U.S. National Weather Service sent a tsunami advisory saying the quake occurred at a…