People near Oklahoma City were shaken awake by a small earthquake before dawn on Jan. 15.
The U.S. Geological Survey says the earthquake happened just before 5 a.m. Its epicenter was about 15 miles (25 kilometers) east of Oklahoma City.
The USGS website says the earthquake measured a preliminary magnitude of 3.4. People have reported feeling it up to 21 miles (34 kilometers) away in Edmond.
No damage was reported.
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