The aftershock hits region most battered by a 8.1-magnitude temblor on Sept. 7.
Some Mexicans feel the generous outpouring could be better directed toward longer-term needs.
Crews had sought to extract a girl said to be trapped in the rubble after a devastating earthquake.
In harrowing scenes at a collapsed elementary school, rescue workers dug out the bodies of children who perished in the 7.1-magnitude earthquake.
Officials estimated that 70 to 80 percent of the nation’s structures were damaged before the Category 5 storm moved on to hit St. Croix and Puerto Rico.
The panic over the quake gave way to a sense of solidarity in a city normally riven by class divides.
The 7.1-magnitude quake occurred on the 32nd anniversary of the notorious Mexico City earthquake.
Hundreds of volunteers have turned out to help rescue friends, family, neighbors and strangers.
They call it island perseverance. A sense that you wouldn’t live here if you couldn’t take the pitfalls along with the pleasures.
Flooding, power failures and wholseale destruction were Irma’s legacy across the northern arc of the Caribbean.
As aftershocks continue, many residents say they will be relying heavily on government aid.
In Juchitan, a third of homes collapsed or were left uninhabitable, the president said.
The epicenter was off the southern state of Chiapas, but 600 miles away, even the capital shook.
Trump’s comment about military intervention may backfire as President Nicolás Maduro stokes nationalism.