U.S.Sun, Dec 28, 2025
Castaic Gas Leak Prompts I-5 Closure, Shelter-in-Place Order
A natural gas leak in Castaic, Northern LA County, led to I-5 freeway closures and a shelter-in-place order. No injuries reported; cause under investigation.
📌Key Points
- •A natural gas leak occurred in Castaic, Northern Los Angeles County, on Saturday around 4:20 p.m. from a large underground transmission line.
- •The incident led to the closure of both northbound and southbound lanes of Interstate 5 for several hours, causing significant traffic delays.
- •A shelter-in-place order was issued for approximately 14,900 residents in Castaic and surrounding communities, advising them to stay indoors and seal their homes.
- •Initial reports mentioned an explosion, but authorities clarified there were no confirmed explosions, and no injuries were reported.
- •SoCal Gas personnel successfully shut off the affected transmission line by 6 p.m., reducing the gas flow.
- •The cause of the rupture is under investigation, with a possible mudslide being considered; the gas odor spread to areas miles away.
📰Sources (4)
Castaic gas line explosion shuts 5 freeway, triggers wide shelter‑in‑place order in Northern LA county↗Gas leak outside Los Angeles shuts down major highway, nearby residents told to shelter-in-place↗Gas line ruptures in Castaic, forcing closure of 5 Freeway and shelter-in-place orders↗Gas line explosion closes 5 Freeway in Castaic; shelter-in-place orders issued↗