March 11, 2011 (05:46:23 UTC)
Magnitude 9.0 Near the East Coast of Honshu, Japan
A magnitude 9.0 earthquake has occurred near the east coast of Honshu, Japan, as a result of thrust faulting on or near the subduction zone interface plate boundary between the Pacific and North American plates. This earthquake generated a tsunami, and a tsunami warning was issued throughout the Pacific.
Teachable Moment Presentation
- 23 slide Powerpoint presentation (zipped ppt/animation 4.21 MB / pdf 2.91 MB)
- University of Portland/IRIS Earthquake Notice (pdf 532 kB)
Animations and Visualizations
- NEW! Tohoku quake animation (YouTube)
- Seismic Wave Propagation (YouTube / Quicktime 6.65 MB)
- Japan Earthquake Sequence, Southern California Earthquake Center (YouTube)
- Aftershock Animation - Seismic Eruption (YouTube / Zipped avi 12.3 MB / Quicktime 2.1 MB)
- Aftershock Animation - Penn State
- How did Japan move 8 feet in the earthquake? (YouTube / Quicktime 3.8 MB / News Story)
- Subduction zone Animation (YouTube / Quicktime 1.9MB)
- Embedded NOAA buoy animation from powerpoint (swf 356 kB)
- USArray Ground Motion Visualization
- Pacific NW vs Japan - tectonic similarities (swf 360 kB)
- Orphan Tsunami of 1700 (YouTube / Quicktime 5.59 MB)
Additional Earthquake Resources
- General Information and Preliminary Research Results for the M9.0 Tohoku Earthquake - preliminary data and related information
- NEW! Video: Aerial video of the wave that hit Japan (SkyNews)
- Earthquake Research Institute- Scientific information both in English and Japanese
- Video: The Moment the Tsunami Hit- news footage (BBC)
- Video: Tsunami sweeps through Kesennuma City - news footage (BBC)
- Tsunami Vertical Evacuation Video (YouTube / Quicktime 27 MB)
- Before and After Aerial Photos (ABC News)
- Preliminary Rupture Modelling (Harvard)
- MCEER Earthquake Engineering Information
- UNAVCO Event Response geodetic community communication, coordination, and data images such as co-seismic displacement GPS plots, 3D animated views of earthquake locations, slip models, and more.
USGS Resources
En Español
- Presentación en Español (zipped ppt/animación 4.52 MB / pdf 2.89 MB)
- Universidad de Portland/IRIS Notificación de Terremoto (pdf 490 kB)

