Campus Alert Archive
Caltech

When the Sky Turned Orange: Caltech's Everbridge Alert at 7:54 PM as the Eaton Fire Erupted on Its Doorstep

CAwildfireemergency notificationmedium confidence
Confirmed Threat

At 7:54 PM PST on January 7, 2025, Caltech sent an emergency alert via its Everbridge-powered notification system as the Eaton Fire raged in Eaton Canyon directly north of campus. Driven by Santa Ana winds gusting over 100 mph, the fire would destroy more than 250 homes belonging to Caltech and JPL employees, displace another 1,800, and ultimately kill 17 people in Altadena. Caltech canceled classes through January 12, then continued remote instruction through January 21.

Alerts
3
Response
—
Killed
0
Injured
0
Institution
California Institute of Technology
Private R1 · CA
~2,400 studentsEverbridgeCaltech Emergency Notification
Confirmed Timeline

Alert Sequence

3 messages in sequence

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 ALERTSMS
Approximate reconstructionReconstructed from The California Tech (Caltech student newspaper) reporting that confirmed Caltech sent an emergency alert at 7:54 PM PST on January 7, 2025 via its Everbridge-contracted emergency notification system168 chars
Caltech Alert: A wildfire is burning in Eaton Canyon near campus. Stay indoors with windows and doors closed. Avoid the area. Monitor caltech.edu/emergency for updates.

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

Sent at 7:54 PM PST on January 7, 2025 — approximately 1 hour 36 minutes after the Eaton Fire ignited at 6:18 PM PST in Eaton Canyon, directly north of the Caltech campus on Hill Avenue
Caltech contracts with Everbridge to provide emergency notification to all students, faculty, and staff using contact information from access.caltech
The California Tech (student newspaper) reported numerous text and email alerts were sent throughout the night as the fire spread; this was the initial notification
UPDATEEmail
Approximate reconstructionReconstructed from Caltech Fire Updates and Recovery page describing the January 8, 2025 announcement of campus closure and critical-functions-only operations351 chars
Caltech Alert: Classes are canceled beginning Wednesday, January 8, due to the Eaton Fire and dangerous wind conditions. Campus remains closed except for critical functions, which include the operations of student housing and dining, custodial and grounds, security, and facilities and lab management. Continue to monitor caltech.edu/fire for updates.

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

On January 8, 2025 at 12 PM PST, Caltech emergency response personnel — in conjunction with Pasadena Fire and local authorities — announced they were actively monitoring the Eaton Fire and windstorm
The closure preserved 'critical functions' (student housing/dining, grounds, security, facilities, lab management) — important because Caltech operates Class 100 cleanrooms and active scientific experiments that cannot simply be paused
More than 250 individuals and families across Caltech campus and JPL lost their homes to the fires
UPDATEEmail
Approximate reconstructionReconstructed from Caltech Fire Updates and Recovery page describing the January 10 announcement of phased return to instruction284 chars
Caltech Update: Classes will resume Monday, January 13, with options for remote learning for those impacted by the fires. A return to full in-person instruction is planned for Tuesday, January 21. Resources for evacuees, including emergency housing, are available at fire.caltech.edu.

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

Caltech adopted a two-step return: remote January 13-20, full in-person January 21 — recognizing that many faculty and students were still displaced
The fire.caltech.edu micro-site established a dedicated emergency-housing page for evacuees, listing both on-campus and off-campus housing offers
Caltech's approach contrasted with neighboring Pasadena City College (six-day full closure, then immediate in-person) — reflecting Caltech's smaller residential population (~2,400 students) and higher proportion of off-campus faculty/staff households
Context

Background

Caltech is a private research university in Pasadena, California, with approximately 2,400 students and a faculty/staff population concentrated in Altadena, La Cañada Flintridge, and adjacent foothill neighborhoods. The campus sits roughly 3 miles south of Eaton Canyon, where the Eaton Fire ignited at 6:18 PM PST on January 7, 2025 during an extreme Santa Ana wind event with gusts exceeding 100 mph. At 7:54 PM, Caltech issued its first emergency alert via Everbridge. Within days, the fire would burn 14,021 acres, destroy 9,418 structures, and kill 17 people — making it one of the deadliest wildfires in California history. The impact on the Caltech community was extraordinary: more than 250 individuals and families across the Caltech campus and Jet Propulsion Laboratory (JPL) lost their homes, while more than 1,800 remained temporarily displaced due to evacuation orders, utility outages, and unsafe water. The campus itself was physically transformed by the 100+ mph winds — trees were uprooted, tennis court nets were torn off, and one tree crashed through the roof of the health services center. Caltech adopted a phased return — full closure through January 12, remote instruction January 13-20, and in-person resumption January 21 — and established the fire.caltech.edu micro-site with dedicated resources for evacuees, including emergency housing matching, financial assistance, and academic flexibility. The case illustrates the unique challenges of fire response for a small private research university with high-value lab operations and a faculty/staff population concentrated in the most fire-vulnerable foothill neighborhoods of Los Angeles.
Analysis

Key Findings

Caltech's first alert went out at 7:54 PM PST on January 7, 2025 — approximately 96 minutes after the Eaton Fire ignited at 6:18 PM in Eaton Canyon
More than 250 individuals and families across Caltech campus and JPL lost their homes — among the highest known per-capita losses of any US university in the 2025 LA fires
Caltech preserved 'critical functions' (housing, dining, grounds, security, labs) during the closure, reflecting active scientific experiments and Class 100 cleanrooms that cannot simply be paused
The phased return (full closure → remote → in-person) reflected the high proportion of faculty and staff still displaced, in contrast to nearby PCC which reopened directly to in-person
Physical damage to the campus came mostly from the 100+ mph winds rather than flames — uprooted trees, torn netting, and a tree-through-roof at the health services center
Outcome
Classes canceled January 8-12. Remote instruction January 13-20. Full in-person resumption January 21. More than 250 Caltech and JPL households lost homes; another 1,800+ remained displaced due to evacuation orders and utility outages. High winds uprooted trees on campus and ripped tennis-court netting; one tree crashed onto the roof of the health services center.
Provenance

Sources

  1. Official
    Fire Updates and Recovery - Caltech
    fire.caltech.edu
  2. Official
    Fire-related Institute Announcements - Caltech
    fire.caltech.edu
  3. Official
    Southern California Wildfires Impact Caltech Community
    caltech.edu
  4. Student Paper
    Eaton Fire Scorches the Caltech and Pasadena Community - The California Tech
    tech.caltech.edu
  5. Official
    Eaton Fire - CAL FIRE
    fire.ca.gov
  6. reference
    Eaton Fire - Wikipedia
    en.wikipedia.org
  7. national media
    Over 200 NASA JPL, Caltech employees lose homes from Los Angeles wildfires - Fox Weather
    foxweather.com
Tags
wildfireprivate-r1californiaeaton-fireeverbridgeextended-closuredisplaced-facultysanta-ana-windsphased-returnjpl
Added May 2026Updated May 2026Via ingestion