154K views · 3.1K reactions | A strong earthquake has rocked Japan's northeastern prefectures of Fukushima and Miyagi. The Japan Meteorological Agency says the quake registered 5 minus on the country's seismic intensity scale of zero to seven.The agency says there is no threat of a tsunami. https://www3.nhk.or.jp/nhkworld/en/news/ | NHK WORLD-JAPAN | Facebook

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