A video from the San Diego Zoo Safari Park taken during an earthquake put complex elephant herd dynamics on display.

They sense these underground vibrations through their feet. They are able to do this due to the following: These are touch receptors which are concentrated in the fatty pads of an elephant's foot ...

When a 5.2-magnitude earthquake shook Southern California on Monday morning, one elephant herd did something extraordinary ...

When the ground started shaking, a herd of African elephants at the San Diego Zoo Safari Park formed a protective barrier, ...

According to experts, it's an instinctive behavior meant to protect the young and the entire herd from threats. The safari ...

The elephants are seen forming an ‘alert circle’ around their young while looking outward, seemingly for signs of any danger.