A magnitude-5.8 earthquake shook up downtown San Diego this morning, near the U.S.-Mexico border region. Though no major damage was reported, the OmniTread robot is ready to be deployed at moments notice. Video after the break.

The quake occurred 4.3 miles deep and is considered shallow. Shallower quakes have the potential to cause more damage than deeper ones, Dutton said.

[via MSN]