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Campus Alert Archive
UD

Report of a possible explosive device evacuates three buildings; determined unfounded

AI-generated · every claim is source-linked
DEbomb threatemergency notificationmedium confidence
UnfoundedNo evidence of an actual threat was found. The institutional response is documented because the alert communication is identical to what would occur during a real incident.

On September 30, 2024, the University of Delaware evacuated Gore Hall, Mitchell Hall, and Sharp Laboratory after receiving a report of a possible explosive device. The UD Alert messages referenced only 'police activity' and did not disclose the nature of the threat; Interim President Laura Carlson later promised improvements to emergency communication protocols.

Alerts
3
Response
Killed
0
Injured
0
Institution
University of Delaware
Public R1 · DE
All UD cases →
~24,000 studentsUD Alert
Official alert policy
Read when and how UD says it will use UD Alert: summarized, quoted, and analyzed.
Documented Timeline

Alert Sequence

3 messages in sequence · 1 verified verbatim

Some messages in this sequence are documented (their existence, timing, and channel are sourced) but their exact wording is not preserved in the public record. Those entries appear as placeholders; only confirmed text is displayed.

INITIAL ALERTSMS
Wording not preserved
A initial alert message is documented at this point in the sequence, but its exact wording is not preserved in the public record. The public edition displays only confirmed alert text.
UPDATESMS+25 min
Police activity in the area of Gore Hall, Sharp Lab, and Mitchell Hall. Please evacuate Gore Hall, Sharp Lab, and Mitchell Hall. Avoid the area and follow all instructions from police. If you see something, say something. Call 911 to report suspicious activity.
Verbatim UD Alert text confirmed across multiple news outlets (UD Review, NBC10 Philadelphia, CoastTV, Newark Post) all quoting the same evacuation directive; sent 25 minutes after the initial alert
Newark Police closed South College Avenue between Delaware Avenue and Park Place
The message still did not disclose the nature of the threat (no mention of 'bomb' or 'explosive'), an omission students and staff later criticized
ALL CLEARSMS
Wording not preserved
A all clear message is documented at this point in the sequence, but its exact wording is not preserved in the public record. The public edition displays only confirmed alert text.
Context

Background

On the morning of September 30, 2024, the University of Delaware Police Department received a report of a possible explosive device on campus just before 11:00 AM EDT. The first UD Alert was sent at 11:19 AM EDT referencing 'police activity' near Gore Hall, followed by an evacuation order for Gore Hall, Mitchell Hall, and Sharp Laboratory at 11:44 AM EDT. Newark Police closed South College Avenue between Delaware Avenue and Park Place as police and bomb-detection resources swept the buildings. The investigation determined the report was unfounded. During its investigation, UD Police learned that multiple institutions regionally and nationally received similar reports of potential safety threats on the same day. The all-clear was issued at approximately 1:53 PM EDT. Interim President Laura Carlson subsequently promised to re-evaluate how UD communicates during emergencies, acknowledging that vague alert messaging had left students, employees, and the public uninformed about the nature of the threat for nearly four hours.
Analysis

Key Findings

UD Alert messages were criticized for being vague, referencing only 'police activity' without disclosing the bomb threat
The threat was part of a broader wave of similar threats at institutions across the region and nation
Interim President Laura Carlson publicly committed to improving emergency communication protocols in response to student criticism
Outcome
The threat was determined to be unfounded after investigation. Multiple institutions regionally and nationally received similar reports of potential safety threats on the same day. No injuries, no evidence of a weapon or explosive device found. Normal operations resumed after approximately 2 hours and 34 minutes.
Provenance

Sources

  1. News
  2. Student Paper
  3. News
  4. News
Cite this case

Campus Alert Archive. "University of Delaware: Report of a possible explosive device evacuates three buildings; determined unfounded." Incident of September 30, 2024. Added May 2026; last updated July 2026. https://campusalertarchive.com/case/university-of-delaware-bomb-threat-2024-09-30/

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Alert text quoted on this page remains the work of the issuing institution; the archive is a secondary source.

Tags
bomb-threatdelawareevacuationcommunication-failurewave-of-threatspublic-universityUnfounded
Added May 2026Updated July 2026Via ingestion