(CNN)-- A pair of strong earthquakes rocked Mexico's Gulf of California only minutes apart early Thursday, the U.S. Geological Survey reported.
The quakes -- magnitude 6.9 and 6.2 -- were centered about 85 miles northeast of Guerrero Negro in the Mexican state of Baja California, or 325 miles south-southwest of Phoenix in the United States. Both epicenters were shallow, a little more than six miles underground.
No tsunami warnings were issued and there were no immediate reports of damage, but people as far north as Tucson, Arizona, reported feeling them.
The temblors were recorded at 12:16 a.m. and 12:06 a.m. local time (3:16 a.m. and 3;06 a.m. ET).
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