Map: Magnitude 6.8 earthquake near Japan
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Map: Magnitude 6.8 earthquake near Japan

Posted on by Amelia Pressman

Note: The map shows the area with a shaking intensity of 4 or greater, which USGS defines as “mild,” although the earthquake may be felt outside the areas shown. The New York Times

A strong 6.8 magnitude earthquake struck off the coast of southern Japan on Monday, according to the United States Geological Survey.

The quake struck at 9:19 p.m. Japan time about 7 miles southeast of Miyazaki, Japan, agency data shows.

As seismologists review the available data, they may revise the reported magnitude of the earthquake. Additional information gathered about the earthquake could also prompt USGS scientists to update the shaking severity map.

Aftershocks in the region

An aftershock is usually a smaller earthquake that follows a larger earthquake in the same area. Aftershocks are typically minor adjustments along the portion of a fault that was displaced at the time of the initial earthquake.

Earthquakes and aftershocks within 100 miles

Aftershocks can occur days, weeks or even years after the initial earthquake. These events may be of equal or greater magnitude than the original earthquake and may continue to impact already damaged sites.

Source: United States Geological Survey | Notes: Shaking categories are based on the modified Mercalli intensity scale. When aftershock data is available, corresponding maps and charts include earthquakes within 100 miles and seven days of the initial quake. All times mentioned above are based on Japanese time. Shake data as of Monday, January 13th at 7:37 a.m. Eastern Time. Aftershock data is as of Monday, January 13, 3:50 p.m. Eastern Time.

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