Mexico earthquake 2012: Acapulco, Mexico City feel 'strong, long quake'
But she said that she saw no damage at the airport and no one was hurt. She says one building in downtown Oaxaca appears to be damaged and has been evacuated.
She added that they've had two strong aftershocks, and that in downtown Oaxaca most people are out on the street at this point. "It started shaking badly," she said.
Mexico City mayor takes to Twitter
The closest major town to the epicenter is listed as Ometepec, about 15 miles west of the epicenter. The green arrow in the map above denotes the earthquake's epicenter.
The USGS says the quake struck at a depth of about 11 miles. The USGS reports that a magnitude 5.1 aftershock struck a very short distance away from the epicenter about 30 minutes after the main quake.
Shortly after the quake struck, Mexico City Mayor Marcelo Ebard took to Twitter, saying "tenemos sismo," or "we have an earthquake." He later tweeted that he saw no visible damage while flying above the city in a helicopter.
— Marcelo Ebrard (@m_ebrard) March 20, 2012
Ebard, who has been active on Twitter throughout the entire situation, also said that the city's strategic services, including the water system and the city's subway were in working order. Buildings are also being evacuated as a precaution.
"I have problems with pressure, I felt I was going to faint," Rosa Maria Lopez Velazquez, 62, told the Associated Press outside a mall in Mexico City.
There were no immediate reports of major damage or injuries. Telephone service was down in the city and throughout the area where the quake was felt.
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