Mexico suffered its most powerful natural disaster in almost a century late Thursday, which left at least 32 people dead and sent violent tremors throughout the region.
The quake was apparently stronger than a devastating 1985 temblor that flattened swathes of Mexico City and killed thousands, but this time, damage to the city was limited. The quake was described as the strongest in a century by Mexican President, Enrique Peña Nieto.
Operation USA has ties to Mexico, having worked there in the wake of previous disasters, including the major 1985 quake and most recently following major flooding in 2013.
Different parts of the world are reporting feeling the effects of the quake, in places like Mexico City; Austin, Texas, and Washington state.
The USGS reported several aftershocks, all greater than a 5 magnitude, the Reuters news agency says.
Juchitan, in the state of Oaxaca, was the worst-hit city.More news: Romelu Lukaku issues warning to Zlatan Ibrahimovic ahead of his United return
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Waves as high as 9.8 feet above tide level were possible along some of Mexico's coast.
32 people have died and over 200 people have been injured across Mexico. The U.S. Geological Survey measured it at 8.1 magnitude. The Associated Press reported that five people were killed, including two children in Tabasco state.
Mr Pena Nieto said a million people had initially been left without power, but 800,000 had now had it restored. Buildings were immediately shaken by this quake.
Guatemalan President confirmed the death of one person in the country.
Mexico is also now under threat from Hurricane Katia along its eastern coast.