When we were on our recent trip to Washington state (or as I used to call it, “the Pacific Northwet,”) I noticed all the “tsunami escape route” signs, which are similar to the ones we’ve seen on trips to Hawaii. I wondered then what a devastating wave might do to some of the coastal communities we were in, and it seemed like they were pretty well up on the tidal wave preparedness angle. After yesterdays’ 7.0 undersea quake, which was supposed to automatically trigger a general evacuation once it was confirmed, it turns out that for many Pacific coast communities,…