Mandy Moore is grieving the loss of her neighborhood and her home, which was ravaged by the still-active Eaton Fire burning in Los Angeles County.

The former "This Is Us" star returned to find the main part of her Altadena, California, home "miraculously" still standing, though not livable, she said in an Instagram post.

This Is Us' star Mandy Moore has revealed her heartbreak after her Altadena neighbourhood has been burned down in the LA fires.

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.

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.

Los Angeles County firefighters are battling a second brush fire with a large potential for growth in the Eaton Canyon area near Altadena. The fire was first reported at around 6:40 p.m. in the area above Altadena,