{
  "id": "2024-09-30-university-of-delaware-bomb-threat",
  "slug": "university-of-delaware-bomb-threat-2024-09-30",
  "institution": {
    "name": "University of Delaware",
    "shortName": "UD",
    "state": "DE",
    "type": "public-r1",
    "alertSystemName": "UD Alert",
    "enrollment": 24000
  },
  "incident": {
    "date": "2024-09-30",
    "type": "bomb-threat",
    "cleryCategory": "emergency-notification",
    "resolution": "unfounded",
    "headline": "Report of a possible explosive device evacuates three buildings; determined unfounded",
    "headlinePublic": "Report of a possible explosive device evacuates three buildings; determined unfounded",
    "summary": "On September 30, 2024, the University of Delaware evacuated [Gore Hall, Mitchell Hall, and Sharp Laboratory](https://udreview.com/university-issues-all-clear-after-a-report-of-a-possible-explosive-device-on-campus/) 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](https://www.newarkpostonline.com/news/ud-president-promises-to-improve-emergency-communication-after-vague-threat-alerts/article_cf03c964-0a9b-4a7a-bf16-24c588bbdcf5.html) to emergency communication protocols.",
    "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.",
    "casualties": {
      "killed": 0,
      "injured": 0
    }
  },
  "alerts": [
    {
      "sequence": 1,
      "type": "initial",
      "timestamp": "2024-09-30T11:19:00-04:00",
      "channel": "sms",
      "verbatimText": "",
      "isVerbatimConfirmed": false,
      "sourceDescription": "Newark Post and UD Review reporting",
      "annotations": []
    },
    {
      "sequence": 2,
      "type": "update",
      "timestamp": "2024-09-30T11:44:00-04:00",
      "channel": "sms",
      "verbatimText": "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.",
      "isVerbatimConfirmed": true,
      "sourceUrl": "https://udreview.com/breaking-news-gore-hall-and-mitchell-hall-along-with-sharp-laboratory-evacuated/",
      "sourceDescription": "UD Review breaking news coverage quoting the exact UD Alert evacuation order verbatim; text confirmed across multiple outlets including NBC10 Philadelphia and CoastTV",
      "annotations": [
        "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"
      ],
      "characterCount": 261
    },
    {
      "sequence": 3,
      "type": "all-clear",
      "timestampApprox": "Approximately 1:53 PM EDT on September 30, 2024",
      "channel": "sms",
      "verbatimText": "",
      "isVerbatimConfirmed": false,
      "sourceDescription": "UD Review and WHYY reporting",
      "annotations": []
    }
  ],
  "context": "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](https://www.newarkpostonline.com/news/bomb-threat-causes-evacuation-of-university-of-delaware-buildings/article_5322e8c0-1e97-4622-a00a-46d59ad9a666.html), 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](https://udreview.com/university-issues-all-clear-after-a-report-of-a-possible-explosive-device-on-campus/) 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](https://whyy.org/articles/delaware-university-bomb-threat-evacuation/) 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](https://www.newarkpostonline.com/news/ud-president-promises-to-improve-emergency-communication-after-vague-threat-alerts/article_cf03c964-0a9b-4a7a-bf16-24c588bbdcf5.html) 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.",
  "keyFindings": [
    "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"
  ],
  "sources": [
    {
      "title": "Bomb threat causes evacuation of University of Delaware buildings (Newark Post)",
      "url": "https://www.newarkpostonline.com/news/bomb-threat-causes-evacuation-of-university-of-delaware-buildings/article_5322e8c0-1e97-4622-a00a-46d59ad9a666.html",
      "type": "local-media"
    },
    {
      "title": "University issues all clear after a report of a possible explosive device on campus (The Review)",
      "url": "https://udreview.com/university-issues-all-clear-after-a-report-of-a-possible-explosive-device-on-campus/",
      "type": "student-newspaper"
    },
    {
      "title": "UD president promises to improve emergency communication after vague threat alerts (Newark Post)",
      "url": "https://www.newarkpostonline.com/news/ud-president-promises-to-improve-emergency-communication-after-vague-threat-alerts/article_cf03c964-0a9b-4a7a-bf16-24c588bbdcf5.html",
      "type": "local-media"
    },
    {
      "title": "Bomb threats at multiple Delaware universities result in evacuations, cancellations (WHYY)",
      "url": "https://whyy.org/articles/delaware-university-bomb-threat-evacuation/",
      "type": "local-media"
    },
    {
      "title": "UD Review breaking news coverage quoting the exact UD Alert evacuation order verbatim; text confirmed across multiple ou",
      "url": "https://udreview.com/breaking-news-gore-hall-and-mitchell-hall-along-with-sharp-laboratory-evacuated/",
      "type": "local-media"
    }
  ],
  "confidence": "medium",
  "tags": [
    "bomb-threat",
    "delaware",
    "evacuation",
    "communication-failure",
    "wave-of-threats",
    "public-university"
  ],
  "dateAdded": "2026-05-03",
  "lastUpdated": "2026-07-16",
  "addedBy": "ingestion"
}