A massive earthquake, measuring as high as a 7.6 magnitude, hit Oaxaca, Mexico Tuesday afternoon, according to USGS.

The earthquake is within a few hours of where 13-year-old Malia Obama, President Barack Obama's oldest daughter, is reportedly on spring break.

The earthquake's magnitude was originally measured at 7.9 before being downgraded to 7.6. No damage has been reported thus far.

Update: Mexican President Felipe Calderon has issued a statement on Twitter, saying there has been no serious damage.

Update 2: According to CNN in Español, the earthquake caused power outages in the eastern part of Mexico City, with at least one building damaged.

Update 3: Kristina Schake, Communications Director to First Lady Michelle Obama, told NBC News that Malia Obama is fine.

"In light of today's earthquake, we can confirm that Malia Obama is safe and was never in danger."

This post has been updated from its original version.

[Photo credit: Flickr user prayitno]