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U.S. Department of Health and Human Services

Earthquake in Japan

Image of Japan maximum wave altitude    On March 11, 2011, a magnitude 9.0 magnitude earthquake occurred off the coast of Honshu, Japan at 0546 UTC (0046 EST), which triggered a basin-wide tsunami. (NOAA) Learn More >> 

For more information on radiation Emergency preparedness, response and medical management, please visit our Radiation Emergencies page.  Learn more >> 
General Status and Updates

 Public Health Actions

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How You Can Help:

Locating Friends and Family:

Travel Information:

For Americans Abroad in Japan

Food Safety

Injuries and Wound Care:


Other Hazards

Safety Information for Responders and Clinicians




  • This page last reviewed: October 06, 2011