Reports of mild shaking in Mexico City

RTRS reports a tremor felt in Mexico City as building shook.

We'll update when there's more information available.

Update: The USGS isn't reporting any activity in Mexico yet. The biggest reported quake in the region over the past 24 hours was a 5.0 magnitude earthquake off the coast of Barbados.

Update 2: The Mexican government says the preliminary estimate of the quake was 5.8 but it was later revised to 5.2. There are no early reports of damage.

Update 3: The USGS measured it a 5.4 with an epicentre near Tres Palos, Mexico which is about 400 km from Mexico City on the Pacific coast.