Community Corner
Tremors Felt in Illinois: Earthquake or Quarry Blast?
The shaking was apparently caused by a blast at the McCook Quarry.
The United States Geological Survey has confirmed that the shaking felt by some residents in the Chicago suburbs was due to a quarry blast northwest of Countryside.
Initial reports on the USGS website showed that a 3.7-magnitude earthquake had occurred near Indian Head Park.
Police and the National Weather Service began receiving calls of shaking felt by residents living in Hinsdale, Willowbrook, Des Plaines and Willow Springs at about 12:40 p.m., according to NBC News Chicago.
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