New research on the energy waves caused by earthquakes provides the most detailed map to date of the subduction zone beneath Japan.
Japan
Posted inResearch Spotlights
Japan's Volcanic History, Hidden Under the Sea
Scientists investigate marine tephra layers for clues to Japan's volcanic past.
Posted inScience Updates
Ocean Floor Networks Capture Low-Frequency Earthquake Event
Last August, stations on a newly deployed permanent ocean floor observation network recorded rarely seen, very low frequency signals from shallow earthquakes.
Posted inResearch Spotlights
Detecting Black Carbon in the Arctic Atmosphere
Measurements of light-absorbing carbon particles made during an Arctic research expedition could improve understanding of their effects on the Arctic climate.
Posted inResearch Spotlights
Tsunami Forecast System Could Provide Early Warnings in Japan
New simulations show that an array of sensors mounted to the ocean floor can capture tsunami size and wavelength.
Posted inResearch Spotlights
Plate Displacement Rate Offers Insight into 2011 Tohoku Quake
For the first time, scientists use GPS to measure the displacement rate of the subducting Pacific Plate near the source of disastrous shaking in 2011.
Posted inResearch Spotlights
Bending Plate Provides Unexpected Heat Source
Scientists discover the causes for heat flow anomalies near the Japan Trench.
Posted inResearch Spotlights
Seafloor Changes Above the Tohoku-Oki Earthquake Rupture Zone
Three years after the devastating earthquake, transponders record afterslip deformation on the seabed above the Tohoku-Oki rupture zone.
Posted inResearch Spotlights
Changing Crustal Velocities Preceded 2011 Tohoku-oki Quake
Researchers examined the crustal deformation associated with earthquakes that occurred before the 2011 Tohoku-oki earthquake.