A powerful earthquake measuring 6.1 on the Richter scale has struck the west coast of Mexico, forcing frightened residents into the streets, Press TV reported.
The United States Geological Survey said the tremor hit 180 miles (290 km) west of the town of Puerto Vallarta in the state of Jalisco, at 0211 GMT on Monday.
There have been no immediate reports of injuries or major damage caused by the seismic activity and no tsunami alert was issued.
The quake was relatively shallow, with the epicenter estimated to have been at a depth of 10 kilometers below the sea.
The Mexican peninsula is one of the most seismically active areas in the world.
Monday's earthquake is one of the largest to shake the region since a powerful 7.2 magnitude quake on April 5, which left two people dead and caused tremors as far away as the US state of Nevada.