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

2.3K views · 151 reactions | 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 | Facebook