A powerful 7.3-magnitude earthquake struck off the coast of Alaska, prompting immediate tsunami warnings for parts of southern Alaska and the Alaska Peninsula. The quake struck at 12:37 p.m. local time, with its epicenter located about 54 miles south of Sand Point and at a shallow depth of 20.1 kilometers. The National Tsunami Warning Center confirmed the potential for tsunami activity, with warnings in effect for specific regions along Alaska's Pacific coast. No immediate threat was identified for areas beyond the warning zone.