Many residents fled the Altadena and Pasadena area due to the blaze that has consumed more than 10,000 acres with zero containment, according to Lisa Derderian, a city of Pasadena’s information officer. More than 800 people were at the evacuation center, Red Cross volunteers said Wednesday morning.

A fire broke out Tuesday night in the hills above Altadena near Eaton Canyon, prompting a response from firefighters. The Eaton fire has burned 10,600 acres and prompted evacuations in the area west of the Eaton Canyon Golf Course, according to the U.S. Forest Service.

In California and elsewhere, fast-moving fires are particularly damaging and expensive because they take people by surprise, making evacuations difficult