83K views · 852 reactions | On this day nine years ago, a 9.0 magnitude earthquake occurred 81 miles (130 km) off the east coast of Sendai, Honshu, Japan, triggering a massive tsunami. This dataset shows the earthquakes as circles and then the tsunami wave propagating across the ocean. Read more here: https://sos.noaa.gov/datasets/japan-earthquake-tsunami-wave-propagation-and-wave-heights-combo/ | NOAA Science On a Sphere | 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

Exploring a Nursing Home Left Abandoned After the 2011 Tōhoku Earthquake and Tsunami | Exploring with Josh