Tsunamis happen more often than we think. Just this year, the National Oceanic and Atmospheric Administration (NOAA) recorded four. In 2016, it recorded seven. In 2014, it recorded 11. Now that’s a lot of tsunamis. Thankfully, the majority haven’t been large enough to cause extensive damage, with waves cresting less than a foot above sea level. What a relief! But then there are times when the waves, upon reaching shore, reach heights of 10, 30, even 300 feet. Tall walls... Read more