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
16
17
18
19
20
21
22
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25
26
By month (all years)
J
F
M
A
M
J
J
A
S
O
N
D
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% |
| Debris | 12 | 2% |
| Other | 12 | 2% |
| Containers | 9 | 2% |
| Incidents | 6 | 1% |
| Restricted | 4 | 1% |
| Mines | 1 | 0% |
| Derelicts | 1 | 0% |
| Icebergs | 1 | 0% |
Archive · 496 cancelled
- HYDROLANT 2232/08 · Surveys2008-12-22 → 2009-01-04Underwater operations in progress until further notice vicinity of trackline joining 60-51N 004-38E, 61-34N…
- HYDROLANT 1855/08 · Cable ops2008-10-31 → 2008-11-07Pipeline operations in progress until further notice by M/V apache along trackline between 61-26.6N…
- HYDROLANT 1742/08 · Other2008-10-18 → 2008-10-23Pipelaying operations in progress until further notice by M/V apache along trackline between 61-26.57N…
- USGS-USP000GHWW · Quakes2008-09-28 → 2008-10-01180 km ene of olonkinbyen, svalbard and jan mayen
- HYDROLANT 1255/08 · Other2008-07-31 → 2008-08-19Pipelaying operations in progress until further notice in area bound by 61-29.6N 001-25.6E, 61-28.1N…
- HYDROLANT 1061/08 · Cable ops2008-06-28 → 2008-07-30Seismic survey in progress until further notice by M/V northern genesis towing 4.5 mile long cable in area…
- HYDROLANT 1005/08 · Cable ops2008-06-19 → 2008-06-28Seismic survey in progress until further notice by M/V northern genesis towing 4.5 mile long cable in area…
- HYDROLANT 923/08 · Cable ops2008-06-02 → 2008-06-19Seismic survey in progress until further notice by M/V northern genesis towing 4.5 mile long cable in area…
- HYDROLANT 885/08 · Cable ops2008-05-27 → 2008-06-02Seismic survey in progress until further notice by M/V northern genesis towing 4.5 mile long cable in area…
- HYDROLANT 870/08 · Cable ops2008-05-23 → 2008-05-27Seismic survey in progress until further notice by M/V northern genesis towing 4.5 mile long cable in area…
- HYDROLANT 740/08 · Cable ops2008-05-01 → 2008-05-11Seismic survey in progress until further notice by M/V cgg alize towing ten 7100 meter long cables in area…
- HYDROLANT 624/08 · Cable ops2008-04-13 → 2008-05-27Seismic survey in progress until further notice by M/V western patriot towing eight three mile long cables…
- HYDROLANT 411/08 · Containers2008-03-09 → 2008-03-11Container adrift vicinity 61-07.3N 000-53.9W at 091325Z mar
- HYDROLANT 177/08 · Exercises2008-01-25 → 2008-02-11Hazardous operations 1800Z to 0400Z commencing daily 29 jan thru 10 feb in area bound by 72-14.1N 006-11.2E,…
- HYDROLANT 172/08 · Exercises2008-01-24 → 2008-01-25Hazardous operations 2359Z to 0400Z commencing daily 29 jan thru 10 feb in area bound by 72-14.1N 006-11.2E,…
- HYDROLANT 2165/07 · Exercises2007-12-28 → 2008-01-20Hazardous operations 0300Z to 1200Z daily 02 thru 20 jan 08 in area bound by 72-19N 013-37E, 74-21N 013-12E,…
- HYDROLANT 1978/07 · Exercises2007-11-29 → 2007-12-11Hazardous operations 0600Z to 1200Z daily 04 thru 18 dec in area bound by 72-19N 011-18E, 72-24N 020-13E,…
- HYDROLANT 1160/07 · Cable ops2007-07-04 → 2007-08-12Seismic survey in progress until further notice by M/V geco topaz towing eight 4500 meter long cables in…
- HYDROLANT 663/07 · Cable ops2007-04-21 → 2007-05-26Pipeline operations in progress until further notice by cableship castoro sei along trackline joining…
- USGS-USP000F6EV · Quakes2007-03-10 → 2007-03-13Earthquake magnitude 5.7 (mwc) in 74.256N 008.713E, depth 10 km at 101703Z mar 07
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.