Campus Alert Archive
CSUN

CSUN Closes for Three Days as Saddleridge Fire Forces 100,000 Out of the San Fernando Valley

CAwildfireemergency notificationhigh confidence
Confirmed Threat

On Friday, October 11, 2019, California State University, Northridge announced a three-day campus closure due to the Saddleridge Fire burning across the north San Fernando Valley. The fire had ignited around 9:02 PM PDT on Thursday, October 10, near a Sylmar power line, and by Friday morning had grown to thousands of acres, forcing roughly 100,000 people from their homes in Sylmar, Porter Ranch, and Granada Hills. CSUN — located in the San Fernando Valley, fewer than 10 miles from the fire perimeter — closed all activities and events from Friday through Sunday, October 11-13, and reopened Monday, October 14.

Alerts
3
Response
—
Killed
—
Injured
—
Institution
California State University, Northridge
Public Masters · CA
~38,000 studentsCSUN Alert
Confirmed Timeline

Alert Sequence

3 messages in sequence · 1 verified verbatim

Some alert texts below are approximate reconstructions from news coverage, not confirmed verbatim transcripts. Reconstructed texts are shown in italic with a dashed border. Verified verbatim texts have a solid border and are marked accordingly.

INITIAL ALERTEmail
Verified verbatimCSUN Saddleridge Fire Alerts archive page — exact closure language preserved on the university advisory site377 chars
CSUN Alert: Due to the ongoing impacts to the region and air quality issues from the Saddleridge Fire, CSUN is closed and all campus activities and events are cancelled Friday, Saturday and Sunday, October 11-13. CSUN will be open and operational Monday, October 14. An update on the status of campus will be posted at 12 p.m., Friday, October 11. Monitor csun.edu for updates.
Sent Friday morning, October 11, 2019, after the Saddleridge Fire grew overnight from 100 acres to multiple thousands of acres
The three-day pre-emptive closure was unusual for a fire that did not directly threaten campus structures — CSUN cited air quality and regional impact rather than direct evacuation risk
Includes a planned 12 PM update commitment, reflecting institutional learning from past fires when communication gaps caused student confusion
UPDATEEmail
Approximate reconstructionReconstructed from CSUN Saddleridge Fire Alerts archive content describing the noon Friday update406 chars
CSUN Update: Campus remains closed today, Friday, October 11. All classes, activities and events are cancelled through Sunday, October 13. The South Coast Air Quality Management District is reporting moderate air quality for the West San Fernando Valley. Sensitive individuals should avoid prolonged or strenuous outdoor activities. Continue to monitor csun.edu/saddleridge-fire-alerts for further updates.

This text has been reconstructed from news coverage and may not reflect the exact original wording.

Fulfilled the commitment made in the initial alert to provide a noon update
Specific reference to SCAQMD air quality data shows CSUN's tight integration with regional air-monitoring during smoke events
Air quality, not fire intrusion, was the primary reason the closure extended through the weekend
ALL CLEAREmail
Approximate reconstruction315 chars
CSUN Update: Campus will be open and operational Monday, October 14. Air quality has improved across the region and the Saddleridge Fire is now significantly contained. Classes and university business will resume on the regular schedule. Counseling and student services are available for those affected by the fire.

This text has been reconstructed from news coverage and may not reflect the exact original wording.

Issued as the Saddleridge Fire reached 41% containment and LAFD lifted evacuation orders for affected neighborhoods
Standard reopening language plus an explicit reference to counseling — a practice CSUN adopted system-wide after the 2018 Camp Fire
Context

Background

California State University, Northridge sits in the San Fernando Valley and serves approximately 38,000 students — making it one of the largest single-campus universities in the United States. The Saddleridge Fire ignited at approximately 9:02 PM PDT on Thursday, October 10, 2019, beneath a high-voltage transmission tower near Sylmar — about 9 miles north of the CSUN campus — and was driven by 50+ mph Santa Ana winds. By Friday morning, the fire had grown explosively and Los Angeles officials had issued evacuation orders for approximately 100,000 people across Porter Ranch, Granada Hills, Sylmar, and Northridge-adjacent neighborhoods. CSUN's three-day closure aligned with broader LA-area campus closures including Pierce College, LA Mission College, and LA Valley College. The fire ultimately burned 8,799 acres, destroyed at least 19 structures, caused one death from cardiac arrest during evacuation, and resulted in 8 firefighter injuries. The 2019 Saddleridge response established CSUN's playbook for the much larger January 2025 Southern California wildfires.
Analysis

Key Findings

CSUN's three-day pre-emptive closure for a fire that did not threaten campus structures established a precedent for air-quality-driven closures
The Friday-morning closure decision affected the largest single-campus student population in the CSU system (~38,000)
The 12 PM update commitment in the initial alert reflects a maturing communications discipline — promise an update time, then deliver
Saddleridge response served as the playbook for CSUN's January 2025 wildfire response five years later
Outcome
Campus closed October 11-13. All 38,000 students and 4,000 employees stood down for three days. No CSUN structures damaged. The Saddleridge Fire ultimately burned 8,799 acres, killed one person of cardiac arrest during evacuation, and caused eight injuries countywide before reaching full containment.
Provenance

Sources

  1. Official
    Saddleridge Fire Alerts — California State University, Northridge
    csun.edu
  2. Source
    Saddleridge Fire — Wikipedia
    en.wikipedia.org
  3. Official
    Saddle Ridge Fire — CAL FIRE
    fire.ca.gov
  4. News
    LA Declares Emergency As Saddleridge Fire Forces 100,000 People From Their Homes — LAist
    laist.com
  5. News
    Saddleridge Fire in Los Angeles explodes in size, forces evacuations — 10News
    10news.com
  6. Official
    Saddle Ridge Brush Fire — Los Angeles Fire Department
    lafd.org
Tags
wildfiresaddleridge-firecampus-closurecaliforniacsucal-state-northridgesan-fernando-valleyair-qualitysanta-ana-winds
Added May 2026Updated May 2026Via ingestion