The African elephants at the San Diego Zoo Safari Park showed their "trust" for one another as the quake rocked Southern California.

The moment was caught on the camera as the quake rocked Southern California, offering a rare glimpse at how elephants react to danger. In the footage, the large mammals run around initially, then older elephants Ndlula, Umngani and Khosi move to form a ring around calves Zuli and Mkhaya, in what experts call an “alert circle.”