The earthquake was first measured as a 7.5-magnitude and later lowered to having a 7.2-magnitude by the U.S. Geological Survey.
The quake's epicenter was 33 miles northeast of Pinotepa, in Oaxaca State.
However, it's unclear if any damage or injuries were reported.
The tremor comes five months after the country was rocked by an earthquake that killed 370 people. (ANI)