People from inland San Diego County to the Los Angeles County coast felt the earth move beneath them Monday morning when a magnitude-5.2 earthquake struck San Diego County. And, many received alerts ...

Video from the San Diego Zoo Safari Park shows a herd of African elephants respond to the movement during Monday’s magnitude ...

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

For example, if an earthquake is powerful ... and it allows the agency to determine the size of the biggest earthquakes faster, so alerts can be sent to people’s phones quicker.

Thousands of people were evacuated in Chile and Argentina after a 7.4 magnitude earthquake off Chile's southern coast ...

A massive earthquake of 7.4 magnitude hit Argentina with the epicentre being Drake Passage, located at 219 kilometres south ...

‘Amber Alerts’ for example, are just one form of WEAs ... The system utilizes ground-motion sensors to detect earthquakes that have already started and estimates their size, location, and ...