Unusual ground motion associated with the deepest major earthquake in the seismological record is due to both its great depth and its origin away from the subducting slab.
Japan
Posted inNews
IAEA Affirms Japan’s Fukushima-Related Radioactivity Monitoring
Laboratories outside Japan have validated the results. Marine radioactivity levels from the nuclear disaster have fallen, but questions remain years after the meltdown.
Posted inNews
Faults off Alaska Look Akin to Those Behind 2011 Japan Disaster
In a seismically quiet segment of Alaska’s subduction zone lie faults with structures similar to those of the system that caused the deadly Tohoku earthquake and tsunami.
Posted inEditors' Vox
Subduction, Stratosphere, Starspots, and Sushi
Highlights from AGU’s joint meeting with the Japan Geophysical Union.
Posted inAGU News
Japan-U.S. Joint Meeting: Geoscience for a Borderless World
The groundbreaking conference included sessions in Japanese, sessions in English, and sessions in which presenters used English language slides but could speak in Japanese.
Posted inResearch Spotlights
What Caused the Fatal 2014 Eruption of Japan's Mount Ontake?
Analysis of the change in the stratovolcano's tilt just prior to the explosion suggests that the cracking of a previously intact fluid barrier caused the country's deadliest eruption since 1926.
Posted inResearch Spotlights
An Up Close Look at the Megaquakes That Cause Tsunamis
Researchers recreate changes in the seafloor during Japan's devastating 2011 tsunami.
Posted inResearch Spotlights
East of Japan, Upper Ocean Waves Follow a Seasonal Cycle
The seasonality of fine-scale, near-surface ocean dynamics raises important considerations for an upcoming satellite mission to measure global sea surface height.
Posted inNews
Seismic Wave Videos Combine Sight and Sound
Researchers convert seismic data into sounds and animations, providing scientists with a new way to view what happens to Earth during earthquakes.
Posted inResearch Spotlights
Mapping the Movement of Energy Under Japan
New research on the energy waves caused by earthquakes provides the most detailed map to date of the subduction zone beneath Japan.