A powerful earthquake struck offshore in Mexico's Gulf of California on Thursday, causing people to flee into the streets in the western state of Sinaloa, but there were no reports of damage or injury.

The U.S. Geological Survey said the magnitude of the quake that hit at 11:53 a.m. (1:53 p.m. EDT, 1753 GMT) was calculated as 6.9 and struck about 65 miles (105 kilometers) south of Los Mochis, a city just inland from the coast in Sinaloa.

It was centered at a relatively shallow depth of 6.2 miles (10 kilometers).

Sinaloa civil protections authorities reported no immediate reports of injuries or damage.