Alaska earthquake: 8.2-magnitude quake strikes off state's coast, triggers tsunami warning Gotham Rex 5 years ago An 8.2-magnitude earthquake struck off the coast of Alaska, according to the U.S. Geological Survey. Source: Check out ABC 7 for more… Share: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Share on LinkedIn (Opens in new window) LinkedIn Share on Pinterest (Opens in new window) Pinterest Share on Reddit (Opens in new window) Reddit Tsunami possible off Alaska coast following powerful 7.8 earthquakeDateJuly 22, 2020In relation toNew York City6.0 magnitude earthquake strikes northwest of Anchorage, Alaska, USGS saysDateNovember 27, 2025In relation toAlaska,apple watch,earthquake,USGS,u.s. & world7.8-magnitude quake rocks Alaska, prompts tsunami warningDateJuly 22, 2020In relation toAlaska,earthquake,tsunami