The Eaton Fire burning through the hillsides and mountains above Pasadena is now approaching the Mount Wilson Observatory, with potential implications for both the historic structures and emergency communications during the ongoing wildfire siege devastating Los Angeles.

Flames from the massive Eaton Fire are approaching the summit of California's Mount Wilson. The mountaintop is home to communication towers and an historic observatory.

The Eaton fire, which officials said had slowed as of Thursday morning, Jan. 9, has spread to Mt. Wilson, the Los Angeles County Fire Department said. Flames had reached the base of Mt. Wilson late Thursday morning,

Firefighters on Jan. 7 battled the raging flames of the Eaton Fire in Pasadena, California, where homes were burned to their bare skeletal structures.

The 10,000-acre Eaton Fire swept through communities in Pasadena Wednesday morning after torching an unknown number of homes in neighboring Altadena in the San Gabriel Valley. KTLA 5 News reporter Chip Yost was on live television as homes on Glen Avenue near Montana Street went up in flames.

Authorities evacuated a senior center as the Eaton Fire spread through the Angeles National Forest near Altadena and Pasadena Tuesday night.