Spills · chemical
Near halfmoon bay, ca
Helium Release; Near Halfmoon Bay, Ca · NOAAORR-1161
- issued
- 2004-03-20 00:00Z
- status
- cancelled 2004-04-03 00:00Z
- self-cancels
- 2004-04-03 00:00Z
- authority
- NOAA OR&R
- sea
- North Pacific Ocean
- position
- 37.500, -122.500
- source
- incidentnews · first seen 2026-09-03 15:09Z
Original warning text
Helium release; near Halfmoon Bay, CA. near Halfmoon Bay, CA. 1. The Navy had a diving incident involving helium. NWS provided phone support. 2. THREAT: CHEMICAL. COMMODITY: HELIUM. 3. POSITION 37.500N 122.500W. NOAA INCIDENTNEWS 1161: https://incidentnews.noaa.gov/incident/1161
This area · spills & pollution incidents
247 within 180 nm since 1971 · 13 in the last 12 months · 2 in force now
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26
- 1900 CA-1, moss landing, ca 95039, USA2026-08-30
- 32CC+C7 inverness, ca, USA2026-08-21
- J444+RW monterey, ca, USA2026-08-13
- 1809 sunset dr, pacific grove, ca 93950, USA2026-08-07
- R685+56 moss landing, ca, USA2026-08-07
- 841 w brannan island rd, isleton, ca 95641, USA2026-07-31
Season · when spills & pollution incidents happen here
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month of issue, all years in the archive
Nearby now · within 120 nm
- 32CC+C7 inverness, ca, USASpills · 41.1 nm
- 1900 CA-1, moss landing, ca 95039, USASpills · 53.6 nm
Worldwide now
8 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.