Spills
Marathon oil Company1; upper cook inlet, alaska
NOAAORR-6440
- issued
- 1987-01-19 00:00Z
- status
- cancelled 1987-02-02 00:00Z
- self-cancels
- 1987-02-02 00:00Z
- authority
- NOAA OR&R
- sea
- Gulf of Alaska
- position
- 61.009, -150.737
- source
- incidentnews · first seen 2026-09-03 15:09Z
Original warning text
Marathon Oil Company1; Upper Cook Inlet, Alaska. Upper Cook Inlet, Alaska. 1. At approximately 0930 on January 19, 1987, an open fuel tank valve was discovered on the crane helping to erect the Marathon Oil Company's Steelhead offshore platform in Upper Cook Inlet, Alaska. The open valve had allowed 151 barrels of diesel to enter Cook Inlet over an unspecified period, although no oil slicks or sheens were noted on the water in the immediate vicinity of the platform. USCG district 17. 2. COMMODITY: DIESEL. MAXIMUM POTENTIAL RELEASE: 6340 GALLONS. 3. POSITION 61.009N 150.737W. NOAA INCIDENTNEWS 6440: https://incidentnews.noaa.gov/incident/6440
This area · spills & pollution incidents
111 within 180 nm since 1985 · 5 in the last 12 months · 1 in force now
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- Western cook inlet, ak2026-08-24
- Resurrection bay, seward, ak2026-06-13
- Anchorage, ak 99501, USA2026-04-16
- Whittier, ak 99693, USA2026-01-20
- Prince william sound, ak2025-12-08
- Kodiak island, ak2025-09-02
Season · when spills & pollution incidents happen here
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month of issue, all years in the archive
Nearby now · within 120 nm
- Western cook inlet, akSpills · 22.6 nm
Worldwide now
7 spills & pollution incidents in force · see all
Spills
Oil and chemical spills, groundings and vessel casualties with a pollution threat: NOAA IncidentNews responses since 1957, and spill-response areas broadcast as navigational warnings. All current spills & pollution incidents →
Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.