The fire broke out before dawn Wednesday on the east side of Interstate 405 in the Sepulveda Pass and raced up steep slopes into neighbourhoods at the top.
Meanwhile Rupert Murdoch's estate- which is one of the most expensive in the Los Angeles city limits- has also been evacuated.
The immediate zone around the building is kept green with fire-resistant plants, and the expansive acreage surrounding the campus is rigorously kept clear of grasses. Sunset Boulevard near the 405 has closed as well. The Federal Emergency Management Agency said it approved grants to help cover the cost of emergency work for the Thomas Fire and two others.
"It's a very hard moment, but we will get through this", Los Angeles Mayor Eric Garcetti said on Tuesday, the New York Post reported.
Some 30 structures were destroyed by the Creek Fire by Tuesday evening, the Los Angeles Fire Department said.
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Global tourists travelling by air are expected to spend more than $750 billion in 2018, a rise of 15% in just over 2 years. Revenues from the passenger business are expected to grow to $581 billion (up 9.2 per cent on $532 billion in 2017).
The National Weather Service predicted "extremely critical fire weather", saying wind gusts could hit 70 miles per hour in some areas.
The Getty Center closed the day before the fire to prevent any harm to its collection from smoke from existing fires in Los Angeles County.
"I encourage everyone to heed the advice and orders of local and state officials", the president said on Twitter. The Los Angeles Department of Water and Power (LADWP) continued to warn that outages and downed-power lines could be widespread, reporting that overall outages dropped to about 2,900 Wednesday afternoon.
"It's critical residents stay ready and evacuate immediately if told to do so".
"The area had been burned through three years ago in a big brush fire", said resident, Anna Determan, who have lived there for around 32 years. Residents living west of the 405 should brace for evacuations as well in the event the flames cross the freeway.
Mandatory evacuations have been ordered in an exclusive ridge-top neighbourhood in Los Angeles as a unsafe new wildfire burns in Southern California.