Castaic Gas Line Rupture: Updates, Impacts, and Safety Information (December 28, 2025)
A significant natural gas line rupture occurred Saturday near Castaic, prompting emergency responses and widespread disruptions. This article provides the latest information on the incident, its impact on residents and traffic, and safety guidance. We’ll continually update this page as new details emerge.
What Happened?
los Angeles County firefighters responded to reports of an explosion around 4:17 p.m. near Ridge Route Road and Pine Crest Place. Investigations revealed a 34-inch natural gas transmission line had ruptured, though the initial cause remains unknown.Crews quickly worked to isolate the damaged section of the pipeline.
Evacuation and Shelter-in-Place Orders
Initially,an evacuation order was issued for a defined area of Castaic. Fortunately, authorities later downgraded this to a shelter-in-place order, which was later lifted as of 10 p.m. The affected areas included:
* west of I-5
* South of North Red Oak Court
* north of Park Vista Drive
* East of Meadow Grass Drive, Victoria Road, and Mandolin Canyon Road
Residents in Granada Hills, Porter Ranch, and Sylmar also reported detecting a gas odor in their homes.
Freeway Closures and Traffic Impacts
The incident caused a complete shutdown of the 5 Freeway in both directions. This created significant traffic delays and diversions.
* Northbound I-5: All lanes were closed, with traffic diverted to the CA-126.
* Southbound I-5: All lanes were closed, with traffic diverted to the SR-138.
These closures remained in effect indefinitely as of Saturday evening, prioritizing public safety. You can find the latest traffic updates from the California Highway Patrol.
What Residents Reported
A witness near the rupture site described hearing a loud noise resembling a jet engine and detecting a strong sulfur smell.These reports align with the characteristics of a natural gas leak. SoCalGas confirmed crews were able to safely vent remaining gas from the damaged pipeline.
SoCalGas Response and Safety Assurance
SoCalGas crews successfully isolated the damaged pipeline section to mitigate the leak. A spokesperson stated there is currently no risk to the public, despite the lingering odor some residents may experience. Crews are now assessing the damage and preparing for repairs.
Ongoing Investigation and Hazmat Assessment
The cause of the rupture is still under investigation. Hazmat teams continue to monitor the area, taking readings to ensure the safety of both residents and responders. we will provide updates as the investigation progresses.
Staying Informed
This is a developing situation. you can stay informed through the following resources:
* los Angeles County Fire Department: https://fire.lacounty.gov/
* California Highway Patrol: https://www.chp.ca.gov/
* SoCalGas: https://www.socalgas.com/
Disclaimer: This information is based on reports available as of December 28, 2025, and is subject to change.We will update this article as new details become available.
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