Spills · mystery_substance
Mystery sheen; south marsh island block 112, offshore la
NOAAORR-8451
- issued
- 2012-05-23 00:00Z
- status
- cancelled 2012-06-06 00:00Z
- self-cancels
- 2012-06-06 00:00Z
- authority
- NOAA OR&R
- sea
- Gulf of Mexico
- position
- 28.413, -91.923
- source
- incidentnews · first seen 2026-09-03 15:09Z
Original warning text
Mystery Sheen; South Marsh Island Block 112, Offshore LA. South Marsh Island Block 112, Offshore LA. 1. On 23MAY2012, USCG MSU Morgan City contacted the NOAA SSC about a mystery sheen discovered by BSEE during an unrelated flight. The sheen is approximately 65 miles offshore, due south of Marsh Island. There is no known source and product chemistry is unknown. Platforms in the area were contacted and none report any release. USCG is requesting a trajectory, fate of sheen and hindcast. 2. THREAT: OIL. TAGS: MYSTERY SUBSTANCE. 3. POSITION 28.413N 091.923W. NOAA INCIDENTNEWS 8451: https://incidentnews.noaa.gov/incident/8451
This area · spills & pollution incidents
1250 within 180 nm since 1970 · 41 in the last 12 months · 2 in force now
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- Crude oil spill and in-situ burn at tpic; south pass 24, pilottown, louisiana2026-08-26
- Intermittent oil sheen; flower garden banks national marine sanctuary, bright bank2026-08-25
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- Johnson bayou, la2026-06-17
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Spills
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