{
  "id": "2022-02-17-oregon-state-university-weniger-hall-gas-leak",
  "slug": "oregon-state-university-weniger-hall-gas-leak-2022-02-17",
  "institution": {
    "name": "Oregon State University",
    "shortName": "OSU",
    "state": "OR",
    "type": "public-r1",
    "alertSystemName": "OSU Corvallis Alert",
    "enrollment": 32000
  },
  "incident": {
    "date": "2022-02-17",
    "type": "gas-leak",
    "cleryCategory": "emergency-notification",
    "headline": "Gas leak forces evacuation of Weniger Hall; repaired with all-clear in about 35 minutes",
    "headlinePublic": "Gas leak forces evacuation of Weniger Hall; repaired with all-clear in about 35 minutes",
    "summary": "On the afternoon of February 17, 2022, a reported gas leak inside [Weniger Hall](https://map.oregonstate.edu/buildings/19) on the Oregon State University Corvallis campus triggered an immediate evacuation and a real-time [Corvallis Alert posted to @oregonstate on Twitter/X](https://x.com/oregonstate/status/1494415690773655554). NW Natural Gas and the [Corvallis Fire Department](https://www.corvallisfire.com/) responded and confirmed the leak, which was repaired and the all-clear issued about 35 minutes after the initial alert.",
    "outcome": "No injuries. NW Natural Gas and Corvallis Fire Department stopped the leak and cleared the building approximately 35 minutes after the initial report. Normal activities resumed by 1:30 PM PST.",
    "resolution": "confirmed-threat",
    "casualties": {
      "killed": 0,
      "injured": 0
    }
  },
  "alerts": [
    {
      "sequence": 1,
      "type": "initial",
      "timestamp": "2022-02-17T12:57:00-08:00",
      "channel": "twitter-x",
      "verbatimText": "Corvallis Alert: Gas Leak. Evacuate Weniger Hall immediately. Follow instructions of authorities on site. Call 911 if help is needed. Avoid area.",
      "isVerbatimConfirmed": true,
      "sourceUrl": "https://x.com/oregonstate/status/1494415690773655554",
      "sourceDescription": "OSU official Twitter/X account @oregonstate",
      "annotations": [
        "This verbatim text is drawn directly from the @oregonstate Twitter alert, archived at x.com/oregonstate/status/1494415690773655554",
        "The X status ID timestamp decodes to 12:57 PM PST (3:57 PM EST, the earlier \"3:57 PM PST\" reading here mistook an Eastern-time display for Pacific), consistent with news reporting that placed the initial response at approximately 12:55 PM PST",
        "The phrasing 'Corvallis Alert' is OSU's standard localized emergency alert prefix distinguishing campus-specific from statewide notifications",
        "The direct second-person 'Evacuate ... immediately' matches OSU's published emergency notification template for gas leaks"
      ],
      "characterCount": 145
    },
    {
      "sequence": 2,
      "type": "update",
      "timestampApprox": "1:23 PM PST on February 17, 2022 (X status ID timestamp)",
      "channel": "twitter-x",
      "verbatimText": "Continue to avoid Weniger Hall area. NW Natural Gas and Corvallis Fire Dept on scene and beginning to stop the leak.\n\nSW Memorial Place adjacent to Weniger Hall is closed. Stay out of the area marked in red.",
      "isVerbatimConfirmed": true,
      "sourceUrl": "https://x.com/OregonState/status/1494422236249288726",
      "sourceDescription": "@OregonState on X (verbatim raw t.co)",
      "annotations": [
        "Verbatim from the @OregonState Twitter account; confirms NW Natural Gas and Corvallis Fire Department are on scene and actively stopping the leak",
        "Adds SW Memorial Place closure detail not in the initial alert; references a map image ('area marked in red') linked in the original tweet",
        "Posted approximately 26 minutes after the initial evacuation tweet, providing operational progress update"
      ],
      "characterCount": 207
    },
    {
      "sequence": 3,
      "type": "all-clear",
      "timestampApprox": "Approximately 1:30 PM PST on February 17, 2022",
      "channel": "twitter-x",
      "verbatimText": "Corvallis Alert: Emergency is over. All Clear at Weniger Hall and surrounding area. You may now resume normal activities and can re-occupy Weniger Hall.",
      "isVerbatimConfirmed": true,
      "sourceDescription": "@OregonState on X (verbatim)",
      "annotations": [
        "The Gazette-Times reported the all-clear at approximately 1:30 PM PST, about 35 minutes after the initial evacuation notice around 12:55 PM PST",
        "NW Natural Gas and the Corvallis Fire Department confirmed the leak had been stopped before the all-clear was issued",
        "Weniger Hall houses the Department of Physics and Department of Statistics, among other science programs; classes were disrupted for the afternoon period"
      ],
      "characterCount": 152,
      "sourceUrl": "https://x.com/OregonState/status/1494424439013863436"
    }
  ],
  "context": "On February 17, 2022, a reported gas leak forced the immediate evacuation of [Weniger Hall](https://map.oregonstate.edu/buildings/19) on the [Oregon State University Corvallis campus](https://oregonstate.edu/). Weniger Hall houses the Department of Physics and the Department of Statistics, along with programs including rangeland science, fisheries and wildlife, and pharmacy, and the evacuation disrupted classes in progress. The OSU emergency alert system published the Corvallis Alert in real time via the [@oregonstate Twitter account](https://x.com/oregonstate/status/1494415690773655554), providing the verbatim evacuation instruction to follow. NW Natural Gas utility crews and the [Corvallis Fire Department](https://www.corvallisfire.com/) responded to assess and repair the leak. According to the [Gazette-Times (Corvallis)](https://gazettetimes.com/news/local/reported-gas-leak-causes-evacuation-of-osu-building/article_c8174b28-c6d6-5d03-89c8-c21f0eb49a07.html), the all-clear was issued roughly 35 minutes after the initial report, with normal activities resuming in the building by approximately 1:30 PM PST. OSU has had a pattern of gas-related building incidents: a similar contractor-hit gas line incident in September 2021 [closed three campus buildings](https://news.oregonstate.edu/news/nearby-gas-leak-closes-three-osu-buildings), and a [February 2019 acetylene leak](https://www.seattletimes.com/seattle-news/northwest/acetylene-leak-closes-oregon-state-campus-building/) previously forced closure of another campus research building. The Weniger Hall event is notable because the @oregonstate Twitter alert was issued before most students and faculty even smelled gas, demonstrating OSU's shift toward social media as the primary rapid-notification channel for localized campus hazards.",
  "keyFindings": [
    "The OSU Corvallis Alert was broadcast via Twitter/X in real time, with the exact verbatim text recoverable from the public tweet",
    "The gas leak was confirmed by NW Natural Gas and the Corvallis Fire Department and repaired within approximately 35 minutes",
    "Weniger Hall (physics and statistics) was evacuated with no injuries; normal activities resumed by roughly 1:30 PM PST",
    "This is OSU's third documented gas-related campus incident within about two years, suggesting a pattern worth monitoring"
  ],
  "responseTimeMinutes": 3,
  "sources": [
    {
      "title": "Oregon State University on X: Corvallis Alert Gas Leak Weniger Hall",
      "url": "https://x.com/oregonstate/status/1494415690773655554",
      "type": "official-social",
      "accessDate": "2026-05-31"
    },
    {
      "title": "Oregon State University on X: Weniger Hall update - NW Natural Gas on scene",
      "url": "https://x.com/OregonState/status/1494422236249288726",
      "type": "official-social",
      "accessDate": "2026-06-01"
    },
    {
      "title": "Reported gas leak causes evacuation of OSU building - Gazette-Times",
      "url": "https://gazettetimes.com/news/local/reported-gas-leak-causes-evacuation-of-osu-building/article_c8174b28-c6d6-5d03-89c8-c21f0eb49a07.html",
      "type": "local-media"
    },
    {
      "title": "Gas leak on OSU campus prompts evacuation of classes - Daily Barometer",
      "url": "https://dailybaro.orangemedianetwork.com/14012/daily-barometer-news/gas-leak-on-osu-campus-prompts-evacuation-of-classes/",
      "type": "student-newspaper"
    },
    {
      "title": "Nearby gas leak closes three OSU buildings (September 2021 incident) - OSU Newsroom",
      "url": "https://news.oregonstate.edu/news/nearby-gas-leak-closes-three-osu-buildings",
      "type": "official-archive"
    },
    {
      "title": "Acetylene leak closes Oregon State campus building (February 2019 incident) - The Seattle Times",
      "url": "https://www.seattletimes.com/seattle-news/northwest/acetylene-leak-closes-oregon-state-campus-building/",
      "type": "local-media",
      "accessDate": "2026-07-17"
    },
    {
      "type": "official-social",
      "title": "@OregonState on X (verbatim)",
      "url": "https://x.com/OregonState/status/1494424439013863436"
    }
  ],
  "confidence": "high",
  "tags": [
    "gas-leak",
    "oregon",
    "oregon-state-university",
    "corvallis",
    "weniger-hall",
    "twitter-alert",
    "utility-hazard",
    "evacuation"
  ],
  "dateAdded": "2026-05-31",
  "lastUpdated": "2026-07-18",
  "addedBy": "ingestion"
}