1. This work is supported by the National Science Foundation’s Transforming Undergraduate Education in STEM program within the Directorate for Education and Human Resources (DUE-1245025). Questions, contact education-AT-unavco.org G REAT T OHOKU E ARTHQUAKE AND T SUNAMI, M ARCH 11, 2011 Version: Sept 10, 2015

2. T OHOKU E ARTHQUAKE & T SUNAMI F ACTS Magnitude 9.0 – March 11, 2011 Societal preparation had been for ~Mag 8 ~20,000 people dead or missing Fukushima nuclear disaster >1 million buildings damaged or destroyed In 2015, >200,000 people still displaced

3. H AZARD VS R ISK Hazard - Physical process which has the potential to cause loss or damage to something valued by an individual or a society Risk - Likelihood of asset or life damage/loss due to an extreme event

4. HAZARD RISK

5. S HAKING -R ELATED H AZARD Gray scale: Population per ~1 sq. km. from LandScan USGS PAGER

6. F INANCIAL COST OF DAMAGE Total = >$200 billion (16.9 trillion yen) Damage estimate as of June 2011 Subsequent estimates are as high as $300 billion Source: Cabinet Office of Japan, 24 June 2011

7. F UKUSHIMA N UCLEAR D ISASTER

8. T ECTONIC S ETTING

9. T SUNAMI

10. R UPTURE M ODEL 100 km

11. C OSEISMIC D ISPLACEMENTS HorizontalVertical

12. R EFLECTING ON WHAT YOU HAVE LEARNED What surprised you most in what you have learned about the 2011 Tohoku Japan Earthquake? What else would you like to know about this earthquake?