This satellite image, taken by Himawari-8, a Japanese weather satellite, shows an undersea volcano eruption at the Pacific nation of Tonga on Saturday, January 15, 2022, sending large waves crashing across the shore and people rushing to higher ground (Japan Meteorology Agency). A tsunami advisory was issued for the U.S. west coast from California to Alaska where, according to the National Weather Service, the biggest tsunami wave, as of mid-morning, was 3.3 feet in King Cove. For before and after videos of the eruption and the devastation on Tonga, https://videos.space.com