While the US Geological Survey said on Tuesday that 11 aftershocks were registered following the initial quake at around lunchtime on Tuesday, with the most powerful measuring 4.9, the temblors were less frequent and smaller than those after the natural disaster in southern Mexico this month.
People gather on a Mexico City street after office buildings were evacuated because of the quake.
A 7.1 magnitude quake hit the Mexico last night, killing 224 people, including 20 children who died because the ceiling of their school collapsed on them.
Most deaths occurred in Puebla, Morelos and Mexico states.
Rescuers have been searching for survivors, through the night, after Tuesday's powerful quake shook the capital, as well as surrounding states, killing multiple people and leaving many trapped under collapsed buildings.
Just hours earlier all the buildings in the city had carried out preparation drills for such an event on the anniversary. Dozens of buildings collapsed or were severely damaged in densely populated parts of Mexico City and nearby states.
Rescue workers and residents are searching through the rubble for survivors, amid fears of aftershocks and possible gas leaks.
U.S. President Donald Trump sent a message of support for Mexico from NY, where he is attending the United Nations General Assembly.
Victor Martinez from the Christian humanitarian charity described how he was working from home close to the global airport when walls started shaking. "We are with you and will be there for you", he wrote.
President Donald Trump, who has clashed with Peña Nieto over his repeated calls for a border wall between their countries, sent his support in a tweet. "The navy was out and the damage is quite widespread across many parts of the city", he said.
At least 149 people have died across the country, a civil protection agency spokesman said.
(Spanish) 2274 "The ground started moving, it was very strong, the windows started to break, people started to leave their homes, this building in front collapsed".