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What (or who) sparked L.A. County wildfires? Here’s where investigations stand

A firefighter watches a fire from afar
A firefighter stands guard at a home on Mandeville Canyon Road as the Palisades fire spreads toward Encino on Jan. 11, 2025.
(Jason Armond / Los Angeles Times)
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Good morning. Here’s what you need to know to start your day.

Finding the fateful sparks

It’s mind-boggling to think that the deadly, raging infernos that consumed communities in greater Los Angeles and will leave lasting scars on the region began perhaps as minuscule sparks.

All the destruction and loss were part of chain reactions that fire investigators are now trying to trace back to their incandescent origins.

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As of Monday night, the Palisades fire had burned over 23,700 acres and was 14% contained. The Eaton fire grew past 14,000 acres and was 33% contained.

As those major and other smaller fires continue to scorch L.A. County, local, state and federal investigators are working to determine exactly where and how each blaze began. Here’s what we know so far about the efforts.

Houses smolder along Pacific Coast Highway.
(Wally Skalij / Los Angeles Times)
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The investigations could take months (or more)

It will likely take considerable time before an official cause is reported for each fire.

“Experts said the cause of wildfires, including those that sweep into urban areas, can be extremely difficult to investigate — for obvious reasons, including the intensity and temperature of such large blazes destroying nearly everything in their path,” my colleagues Kevin Rector and Ian James explained over the weekend.

Widespread fires that begin during extreme weather events can sometimes have multiple origin points, an expert told them.

In the meantime, Times reporters spoke with residents who witnessed the blazes’ opening moments.

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Map shows the origin point of the Palisades fire

Over in Pacific Palisades, residents point to the area around Temescal Ridge trail, which features rock formations and stunning ocean views. Just a week before the Palisades fire broke out, a small brush fire started on New Year’s Eve and was knocked down in the same general area. Fire officials believe that blaze was sparked by holiday fireworks.

One resident told Times reporters he’d smelled smoke near the previous fire’s burn scar while hiking the trail shortly before the Palisades fire was reported. He wondered if some still-smoldering embers from that Dec. 31 fire had been kicked up by the powerful winds that pummeled the area Jan. 7.

An official from the U.S. Bureau of Alcohol, Tobacco, Firearms and Explosives, which is leading the Palisades fire investigation, said nothing is conclusive this early on.

However, there is historical precedent for an old fire sparking a new one, as Times reporters Richard Winton, Noah Goldberg and Hannah Fry noted in their coverage.

“The massive Oakland Hills fire of 1991 — which destroyed more than 2,500 structures — exploded after firefighters thought they had contained it,” they wrote. “That fire was originally six acres and was declared contained, but not out. Firefighters left equipment at the scene but did not monitor it at all times. Winds picked up and then flames quickly consumed homes.”

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A fire hydrant smolders as businesses burn in Altadena
A fire hydrant smolders as businesses burn in Altadena during the Eaton fire.
(Robert Gauthier / Los Angeles Times)

Southern California Edison power equipment becomes a focal point

Across the L.A Basin, investigators are focused on an area of Eaton Canyon where an electrical tower looms over Altadena.

Photos and videos from residents shared by news organizations and on social media showed what appeared to be the initial flames of the Eaton fire.

Altadena resident Marcus Errico told Times reporters he clearly saw “a small ring of flames around the base of one of the [electrical] towers.”

Those towers are the property of Southern California Edison. On Sunday, the utility company said its transmission tower lines were energized around the time of the fire. In a report, they stated that an early analysis showed “no interruptions or electrical or operational anomalies until more than one hour after the reported start time of the fire.”

A man holds a hose to a burning home
A man holds a hose as he tries to prevent the spread of flames from one neighbor’s house to another during the Eaton fire.
(Robert Gauthier / Los Angeles Times)
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The California Department of Forestry and Fire Protection (Cal Fire) is leading the investigation into the Eaton fire and confirmed the area around the towers is being studied, though the full scope of their probe was not divulged to The Times.

But attorneys for homeowners in Altadena aren’t waiting for investigators to name a culprit. Four lawsuits were filed Monday, each blaming Southern California Edison for starting the Eaton fire.

Power companies are no stranger to such lawsuits. Last February, Edison agreed to pay the U.S. $80 million to cover costs and damages from 2017’s deadly Thomas fire. Investigators determined that Edison equipment started that blaze, which burned more than 280,000 acres in Ventura and Santa Barbara counties.

And back in 2019, Pacific Gas & Electric agreed to a $13.5-billion settlement for several deadly Northern California wildfires, including 2018’s Camp fire.

A fire burning hills
The Kenneth fire burns in the Upper Las Virgenes Open Space Preserve on Thursday in West Hills.
(Brian van der Brug / Los Angeles Times)

Smaller blazes sparked last week are also under investigation

The Kenneth fire, which scorched a little over 1,000 acres in the hills north of Calabasas, was fully contained over the weekend.

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A 33-year-old man was arrested last week by LAPD officers after he was seen attempting to spark a fire in the same vicinity, according to a law enforcement email obtained by The Times. The man has so far not been charged with arson as investigators continue their work.

Edison equipment is also a focal point of the investigation into what started the Hurst fire that has burned about 800 acres near Sylmar and was 95% contained as of Monday evening.

The company reported last week that one of its conductors had been damaged at a tower in the vicinity of the fire, but it could not determine if the equipment downed before or after the blaze.

The cause of the Sunset fire is also under investigation. That blaze scorched an estimated 46 acres in the Hollywood Hills and prompted panicked evacuations, but was fully contained in about 24 hours and did not destroy any homes.

The origin almost always leads back to humans

Extreme weather and climate conditions may prime California’s tinderbox landscapes, but we’re overwhelmingly the ones striking the metaphorical (or actual) match that grows into a wildfire.

Cal Fire estimates that up to 95% of wildfires are caused by humans, including from carelessness, infrastructure failures and deliberate ignitions.

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A 2022 study from UC Irvine found that human-ignited fires were more ferocious and damaging than blazes sparked by lightning strikes.

Palm trees bend in the wind against a backdrop of smokey sky
Palm trees in Santa Monica bend in the wind against a backdrop of smokey sky from the nearby fires on Wednesday.
(Christina House / Los Angeles Times)

Parts of L.A. County prepare for another windy forecast

From Orange County to Palm Springs, Angelenos rush to fill hotel vacancies

Rams play their ‘home’ playoff game in Arizona

What else is going on


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Commentary and opinions

This morning’s must reads

Firefighters are silhouetted against an engulfed home
Firefighters are silhouetted against an engulfed home while keeping the flames from jumping to an adjacent home on Glenrose Avenue during the Eaton fire on Wednesday in Altadena.
(Gina Ferazzi / Los Angeles Times)
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L.A.-area residents out of town during fires share agony of watching homes burn from afar. In interviews with several residents whose homes were destroyed while they were in places as far-flung as Europe, Asia and New York, they shared similar feelings: a sense of helplessness in the face of nature’s wrath.


How can we make this newsletter more useful? Send comments to essentialcalifornia@latimes.com.


For your downtime

Seafood "risotto" at Camélia restaurant in Los Angeles.
Charles Namba’s “risotto” of koshihikari rice cooked with dashi, intensified with a compound butter of uni, pulverized katsuobushi, lobster coral, soy sauce and espelette, topped with lemony grilled Monterey Bay squid and shiso.
(Rebecca Peloquin / For The Times)

Going out

  • 🥘Downtown L.A.’s Camélia, a bistro serving French dishes inflected with Japanese flavors, comes to life from the couple behind Tsubaki.

Staying in

And finally ... your photo of the day

Show us your favorite place in California! Send us photos you have taken of spots in California that are special — natural or human-made — and tell us why they’re important to you.

Highway 46, midway between Cambria and Templeton.
(David A. Rosen )
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Today’s great photo is from David Rosen of California: Highway 46 between Cambria and Templeton.

David writes: “I’m not sure if a highway can be considered a landmark, but if so, Highway 46 is a quintessential example of the beauty of California’s Central Coast. This photo was taken after a rainy winter season, making the views spectacular. Morro Bay can be seen in the distance.”

Have a great day, from the Essential California team

Ryan Fonseca, reporter
Defne Karabatur, fellow
Andrew Campa, Sunday reporter
Kevinisha Walker, multiplatform editor
Hunter Clauss, multiplatform editor
Christian Orozco, assistant editor
Stephanie Chavez, deputy metro editor
Karim Doumar, head of newsletters

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