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Fact Check: If The Eaton Fire Reached The Jet Propulsion Lab, Would It Have Caused A 10 Mile Explosion?

“There is a common misconception that we store rocket or jet propellants on site; however, JPL has not worked on jet or rocket propulsion for over 60 years,” a spokesperson for JPL told L.A. TACO.

7:30 AM PDT on October 6, 2025

LAFD firefighting crews work on El Medio Ave in Pacific Palisades during the evening hours on January 7, 2025. (Brian Feinzimer / L.A. TACO.)

LAFD firefighting crews work on El Medio Ave in Pacific Palisades during the evening hours on January 7, 2025. Photo by Brian Feinzimer for L.A. TACO.

Last week, a local Instagram account with over 18,000 followers posted a map of L.A. County with a giant red circle over central and Northeast L.A., a small black X stamped over the storied Jet Propulsion Lab (JPL) in La Cañada Flintridge, and an ominous message:

“10 MILE BLAST / VAPOR ZONE HAD EATON FIRE REACHED JPL.”

The circled blast zone, stretching from Monrovia to Hollywood, included huge swaths of Angeles National Forest, suggesting destruction for hundreds of thousands of residents, thousands of businesses, landmarks such as the Griffith Park Observatory and Bob Hope Airport, as well as dozens of city, county, and federal buildings in Downtown Los Angeles.

“Bombshell,” the account that posted the map wrote. “Is this why West Altadena was abandoned by firefighters?” 

Shelby C. Eidson, an Altadena resident impacted by the Eaton Fire who describes themselves as an “Independent Watchdog,” was listed as the source for the map.