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Magnitude 7.3 Earthquake off Japan

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Map of the December 7, 2012 earthquake off Japan.

A magnitude 7.3 earthquake struck off the east coast of Japan on December 7, 2012 at 08:18:24 UTC.

Visit the USGS event page on this earthquake.

For an estimate of the earthquake’s impact, visit the USGS Prompt Assessment of Global Earthquakes for Response (PAGER) website.

For information about tsunami watches, warning or advisories, visit the National Oceanic and Atmospheric Administration (NOAA) tsunami website.

Read additional earthquake information for Japan.

If you felt this earthquake, report your experience on the “USGS Did You Feel It?” website for this event.

Learn more about the USGS Earthquake Hazards Program.