Metroplex quake risk higher than ever before

Dallas skyline (AP Photo/Tony Gutierrez)

DALLAS (AP) — A new report by the U.S. Geological Survey concludes the risk of earthquakes for the Dallas-Fort Worth area is higher than it’s ever been.

The Dallas Morning News reports that the USGS review is scheduled for release Monday.

The newspaper says the report will incorporate “induced” earthquakes into federal seismic hazard maps. Such quakes are caused when wastewater from natural gas drilling is injected back into the ground.

The Federal Emergency Management Agency has drafted a study of worst-case scenarios for North Texas. The newspaper obtained a copy.

A USGS researcher says there’s no reason to panic. Robert Williams says the scenarios are “unlikely but plausible.”

The strongest quake to rattle Dallas occurred Jan. 6 with a magnitude of 3.6. FEMA’s worst-case scenario imagines a major 5.6 magnitude quake.

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