+ A car passes over a crack on the road at the 30th kilometer of the Mexicali-Tijuana highway made by a 7.2 earthquake in Mexicali , Mexico , April 4 , 2010 . + This photo provided by Jorge Rivera -- cimarron98 on Twitter -- shows structural damage to the Escomex business school building after an earthquake in Mexicali , Mexico , Sunday , April 4 , 2010 .