Bering Sea
IHO sea area 55 · -180° to 180° E, 51° to 67° N
- in force
- 4
- last 12 months
- 19
- archive messages
- 626
- categories
- 15
What the archive shows
626 messages are recorded since 1979-11-08 for the Bering 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.
Spills accounts for 166 of 626 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 2025-06-10 06:19ZIn the Bering Sea near Alaska, high frequency radio services at Shemya remote site (52-43N 174-07E) are off air.
In force now · 4
- HYDROPAC 2700/26 · Surveys2026-09-17Russia establishes a scientific mooring at seven metres depth in Bering Strait at 66-19.59N 168-57.01W, cancelling a previous warning.
- NAVAREA XII 639/26 · Surveys2026-09-17Scientific moorings at 15 meters depth are established in the Bering Strait, Alaska, at two locations, and a previous warning is cancelled.
- NAVAREA XII 98/26 · Nav aids2026-02-17The US Coast Guard remote communication facility at Shemya, Alaska, has inoperative high-frequency transmit and receive services.
- NAVAREA XII 344/25 · Nav aids2025-06-10In the Bering Sea near Alaska, high frequency radio services at Shemya remote site (52-43N 174-07E) are off air.
Longest in force
- NAVAREA XII 344/25 · Nav aids2025-06-10In the Bering Sea near Alaska, high frequency radio services at Shemya remote site (52-43N 174-07E) are off air.
- NAVAREA XII 98/26 · Nav aids2026-02-17The US Coast Guard remote communication facility at Shemya, Alaska, has inoperative high-frequency transmit and receive services.
- HYDROPAC 2700/26 · Surveys2026-09-17Russia establishes a scientific mooring at seven metres depth in Bering Strait at 66-19.59N 168-57.01W, cancelling a previous warning.
- NAVAREA XII 639/26 · Surveys2026-09-17Scientific moorings at 15 meters depth are established in the Bering Strait, Alaska, at two locations, and a previous warning is cancelled.
By year
79
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
By month (all years)
J
F
M
A
M
J
J
A
S
O
N
D
By category · available archive
| Spills | 166 | 27% |
| Exercises | 162 | 26% |
| Quakes | 127 | 20% |
| Nav aids | 54 | 9% |
| Other | 40 | 6% |
| Surveys | 27 | 4% |
| Incidents | 26 | 4% |
| Cable ops | 9 | 1% |
| Derelicts | 6 | 1% |
| Missiles | 3 | 0% |
| Debris | 2 | 0% |
| Towing | 1 | 0% |
| Wrecks | 1 | 0% |
| Containers | 1 | 0% |
| Mines | 1 | 0% |
Archive · 621 cancelled
- NAVAREA XII 298/11 · Exercises2011-08-12 → 2011-08-15Gunnery exercises 122100Z to 130400Z aug, alternate 132100Z to 140400Z and 142100Z to 150400Z aug within…
- NAVAREA XII 262/11 · Exercises2011-07-12 → 2011-07-14Gunnery exercises 131600Z to 140801Z jul within five miles of 56-21N 163-17W
- HYDROPAC 1915/11 · Surveys2011-07-02 → 2011-07-11Survey operations in progress until further notice in area between 55-19-53N 167-06-00E, 55-28-00N…
- HYDROPAC 1856/11 · Incidents2011-06-26 → 2011-07-02M/V aries taking on water in 56-46.36N 167-20.45W
- NOAAORR-8329 · Spills2011-06-26 → 2011-07-10Tug aries; 95 miles east of st
- HYDROPAC 1689/11 · Incidents2011-06-09 → 2011-07-09Distress signal received from M/V stx bona in 54-31N 172-12W.VESSELS in vicinity requested to keep a sharp…
- NOAAORR-8321 · Spills2011-05-25 → 2011-06-08F/V nor'quest grdg-bristol bay, alaska; nw side of hagemeister island
- USGS-USP000J256 · Quakes2011-05-24 → 2011-05-2778 km ne of atka, alaska
- NAVAREA XII 199/11 · Exercises2011-05-17 → 2011-05-18Gunnery and pyrotechnics exercises 172100Z to 180001Z may within six miles of: a. 59-14N 175-42W
- HYDROPAC 1075/11 · Incidents2011-04-06 → 2011-05-21Distress signal received on 406 mhz from M/V capitola vicinity 53-12N 173-15W
- NOAAORR-8290 · Spills2011-02-09 → 2011-02-23Unalaska isl., aleutian isl., alaska
- USGS-USP000HQMN · Quakes2010-12-07 → 2010-12-10Earthquake magnitude 5.8 (mwb) in 54.356N 169.128E, depth 13 km at 071817Z dec 10
- NOAAORR-8275 · Spills2010-12-03 → 2010-12-17M/V golden seas; 70nm north of adak island, ak
- NAVAREA XII 466/10 · Exercises2010-11-27 → 2010-12-03Hazardous operations
- NAVAREA XII 414/10 · Exercises2010-10-06 → 2010-10-14Gunnery exercises 121600Z to 130100Z oct, alternate 131600Z to 140100Z oct within five miles of 55-30N 168-30W
- USGS-USP000HM7N · Quakes2010-09-26 → 2010-09-29256 km wnw of adak, alaska
- USGS-USP000HM39 · Quakes2010-09-23 → 2010-09-26250 km w of adak, alaska
- HYDROARC 58/10 · Surveys2010-08-14 → 2012-07-30Nga chart 16003 (17TH ed)
- USGS-USP000HFQ4 · Quakes2010-07-18 → 2010-07-2159 km wsw of nikolski, alaska
- USGS-USP000HFDM · Quakes2010-07-18 → 2010-07-2166 km w of nikolski, alaska
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.