Every second counts when it comes to tsunamis. 🌊 NASA scientists are testing technology that uses GPS to detect tsunamis by the rumble they make in the atmosphere. Called GUARDIAN, the long-term objective is to augment early warning systems. https://go.nasa.gov/45BQzge | NASA Jet Propulsion Laboratory

The 2011 Tohoku earthquake and tsunami was one of the most powerful and devastating natural disasters in modern history. On March 11, 2011, a massive magnitude 9.0 undersea earthquake struck off the Pacific coast of Japan’s Tohoku region, about 70 kilometers east of the Oshika Peninsula. The quake triggered a colossal tsunami, with waves reaching heights of up to 40 meters (130 feet) in some areas, sweeping across coastal towns and cities within minutes. Entire communities were destroyed, infras