Norwegian Sea
IHO sea area 6 · -14° to 26° E, 61° to 77° N
- in force
- 1
- last 12 months
- 13
- archive messages
- 497
- categories
- 15
What the archive shows
497 messages are recorded since 1999-04-21 for the Norwegian Sea. The selection uses the IHO sea area; a message may describe an exercise, equipment outage or continuing operation as well as a hazard report.
Cable ops accounts for 134 of 497 recorded messages (27%), the largest category group in this selection.
The NGA historical archive froze in 2024-05; live collection began 2026-08-17. Counts around that gap are incomplete, and changes in reporting volume do not establish changes in incident frequency.
- An older warning still listed in force · issued 2026-08-28 09:28ZSurvey operations in Norwegian Sea by Amazon Conqueror towing twelve 10,000-meter cables, seven mile berth requested.
In force now · 1
Longest in force
By year
99
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
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17
18
19
20
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26
By month (all years)
J
F
M
A
M
J
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O
N
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By category · available archive
| Cable ops | 134 | 27% |
| Surveys | 109 | 22% |
| Missiles | 85 | 17% |
| Exercises | 62 | 12% |
| Nav aids | 31 | 6% |
| Quakes | 17 | 3% |
| Ordnance | 13 | 3% |
| Other | 12 | 2% |
| Debris | 12 | 2% |
| Containers | 9 | 2% |
| Incidents | 6 | 1% |
| Restricted | 4 | 1% |
| Derelicts | 1 | 0% |
| Mines | 1 | 0% |
| Icebergs | 1 | 0% |
Archive · 496 cancelled
- HYDROARC 53/12 · Cable ops2012-06-15 → 2012-06-20Seismic survey in progress until further notice by M/V osprey explorer towing 12000 meter long cable in area…
- HYDROLANT 1289/12 · Cable ops2012-06-15 → 2012-06-20Seismic survey in progress until further notice by M/V osprey explorer towing 12000 meter long cable in area…
- HYDROLANT 1272/12 · Nav aids2012-06-13 → 2012-06-15GPS satellite system
- HYDROLANT 1267/12 · Missiles2012-06-13 → 2012-06-23Hazardous operations 18 thru 30 jun in areas bound by: a. 69-29.00N 015-30.00E, 69-32.47N 015-56.43E,…
- HYDROARC 51/12 · Missiles2012-06-13 → 2012-07-01Hazardous operations 18 thru 30 jun in areas bound by: a. 69-29.00N 015-30.00E, 69-32.47N 015-56.43E,…
- HYDROARC 45/12 · Cable ops2012-06-07 → 2012-06-15Seismic survey in progress until further notice by M/V osprey explorer towing 12000 meter long cable in area…
- HYDROLANT 1208/12 · Cable ops2012-06-05 → 2012-08-10Seismic survey in progress until further notice by M/V nordic explorer towing 4.5 mile long cable in area…
- USGS-USP000JKW6 · Quakes2012-05-24 → 2012-05-27Earthquake magnitude 6.1 (mww) in 72.960N 005.683E, depth 10 km at 242247Z may 12
- HYDROLANT 1073/12 · Missiles2012-05-19 → 2012-05-25Hazardous operations 1700Z to 2200Z daily 21 thru 25 may in area bound by 69-01.50N 015-29.40E, 69-03.29N…
- HYDROARC 32/12 · Missiles2012-05-19 → 2012-05-25Hazardous operations 1700Z to 2200Z daily 21 thru 25 may in area bound by 69-01.50N 015-29.40E, 69-03.29N…
- HYDROLANT 1043/12 · Cable ops2012-05-16 → 2012-07-20Seismic survey in progress until further notice by M/V oceanic challenger towing 12 6000 meter long cables…
- HYDROLANT 994/12 · Cable ops2012-05-11 → 2012-06-25Seismic survey in progress until further notice by M/V polarcus samur in area bound by 62-07N 000-28E,…
- HYDROLANT 867/12 · Cable ops2012-04-21 → 2012-06-25Seismic survey in progress until further notice by M/V geo caspian towing 14 6500 meter long cables in area…
- HYDROARC 24/12 · Missiles2012-04-13 → 2012-05-06Hazardous operations 0800Z to 1800Z daily 16 apr thru 06 may in areas bound by: a. 69-30.0N 015-30.0E,…
- HYDROLANT 273/12 · Debris2012-02-02 → 2012-02-0520 meter long metal object adrift vicinity 61-22.2N 001-18.9E at 020845Z feb
- HYDROLANT 1324/11 · Cable ops2011-08-20 → 2011-09-05Seismic survey in progress until further notice by M/V hugin explorer and M/V munin explorer in area bound…
- HYDROARC 104/11 · Cable ops2011-07-18 → 2011-10-01Seismic survey in progress until 30 sep by M/V ggs atlantic towing 10000 meter long cable in area bound by…
- HYDROARC 103/11 · Cable ops2011-07-18 → 2011-10-11Seismic survey in progress until 10 oct by M/V geo eagle towing ten 4.5 mile long cables in area bound by…
- HYDROLANT 1098/11 · Cable ops2011-07-02 → 2011-07-03Seismic survey in progress until further notice by M/V western regent towing six 3800 meter long cables in…
- HYDROARC 87/11 · Cable ops2011-07-02 → 2011-08-06Seismic survey in progress until further notice by M/V western regent towing six 3800 meter long cables in…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.