I thought this was going to be a thread about a 7.3 Powerstroke engine. Then I realized you meant earthquake so I googled it quick, and it brought up several articles saying it was a 6.7 which is yet another Powerstroke engine. All joking aside, take care and stay safe.
In Fairbanks when there's a earthquake it sounds like a freight train coming at high speed. Think maybe this is because of the frozen ground instead of bedrock. My Mon was in anchorage when they had the big one in 63 I think it was
Prayers thoughts for you folks up there.