March 22 (Bloomberg) -- Buildings in Mexico City shook in a 5.2-magnitude earthquake at 10:46 a.m. local time, according the U.S. Geological Survey.
The epicenter was located 20 miles northwest of Pinotepa Nacional, Oaxaca, the USGS said on its website.
Some workers evacuated buildings today, after a 7.4 temblor shook the capital on March 20.
Mexico City Mayor Marcelo Ebrard said on his Twitter account that transportation systems were running normally.
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