There is a reason why people evacuate during a tsunami | The Enigma

NASA scientists have developed a TSUNAMI alert & tracking system known as GUARDIAN--to be discussed in an accompanying post here on my Facebook page. This NOAA animation of a tsunami is revealing. NASA explains that tsunamis are HUGE WAVES triggered by earthquakes which displace a huge amount of sea water--producing mammoth waves in the process. While comparatively rare, compared to hurricanes and other natural disaster, tsunamis can be truly devastating. Tsunami waves can be 100 feet tall and w

A tsunami has hit Tonga's largest island, Tongatapu, after an underwater volcano in the South Pacific erupted. | CNN