An 8.0-magnitude earthquake struck south of Mexico on Friday, according to the US Geological Survey (USGS).
The agency said hazardous widespread tsunami waves are possible.
Media reports have noted that the tremor shook Mexico City and people were fleeing buildings.
No casualties have been reported so far.
The quake’s epicenter was 123 km (76 miles) southwest of the town of Pijijiapan, at a depth of 33 km (21 miles).
(CGTN)