Seismologists have just registered an earthquake in Seward, Alaska, that is big enough to ... use your atlas to estimate distances from the tsunami's epicenter to each location.

A tsunami warning was lifted hours after a 7.9-magnitude earthquake struck off the coast of Alaska in the US. The quake hit 280km (173 miles) south-east of Kodiak, at a depth of 25km, at 00:31 ...