Modern Family Season 2 Episode 3 (Modern Family s02e03) with title “Earthquake” aired on Wednesday, October 6th 2010 at via Network.09:00 pm ABC
Here is summary for Modern Family Season 2 Episode 3 :

When an earthquake strikes, Cameron and Mitchell see a way out of a costume brunch thrown by their friend Pepper (Nathan Lane); Claire is trapped in the bathroom with a plumber; and Manny undergoes a crisis of existential proportions on an outing with Jay.