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% |
| Containers | 1 | 0% |
| Wrecks | 1 | 0% |
| Mines | 1 | 0% |
Archive · 621 cancelled
- NAVAREA XII 149/12 · Exercises2012-06-06 → 2012-06-09Gunnery exercises 081800Z to 090100Z jun within five miles of: a. 55-30N 168-30W
- USGS-USP000JM2D · Quakes2012-05-29 → 2012-06-01Earthquake magnitude 5.6 (mww) in 54.368N 168.925E, depth 10 km at 290240Z may 12
- NAVAREA XII 132/12 · Exercises2012-05-15 → 2012-05-17Gunnery and pyrotechnics exercises 161500Z to 162000Z may within 12 miles of: a. 55-58N 168-04W
- NAVAREA XII 29/12 · Exercises2012-02-12 → 2012-02-14Gunnery exercises 131700Z to 140001Z feb within 10,000 yards of 55-05N 168-35W
- NAVAREA XII 24/12 · Exercises2012-02-03 → 2012-02-05Gunnery exercises 041800Z to 050400Z feb within eight miles of 55-12N 168-25W
- NAVAREA XII 15/12 · Exercises2012-01-14 → 2012-01-18Gunnery exercises 171900Z to 180300Z jan, within five miles of 55-12N 168-25W
- NOAAORR-8389 · Spills2011-12-21 → 2012-01-04Russian icebreaker tanker renda; winter fuel delivery to nome, alaska
- NOAAORR-8379 · Spills2011-12-07 → 2011-12-21Aleutian islands, alaska
- HYDROPAC 3315/11 · Derelicts2011-11-26 → 2011-11-29Two derelict barges adrift in 60-18.56N 171-06.92E at 230810Z nov
- USGS-USP000JB46 · Quakes2011-11-19 → 2011-11-22104 km n of atka, alaska
- NAVAREA XII 423/11 · Exercises2011-11-16 → 2011-11-22Hazardous operations
- NAVAREA XII 409/11 · Exercises2011-11-05 → 2011-11-10Hazardous operations
- USGS-USP000JA5J · Quakes2011-10-31 → 2011-11-03Earthquake magnitude 5.8 (mww) in 52.366N 177.932E, depth 159 km at 310716Z oct 11
- HYDROPAC 3035/11 · Incidents2011-10-28 → 2011-10-29Vessel alaskan leader, 23 persons on board, on fire in 55-11N 167-31W
- NAVAREA XII 385/11 · Exercises2011-10-19 → 2011-10-25Hazardous operations
- NAVAREA XII 374/11 · Exercises2011-10-10 → 2011-10-15Hazardous operations
- NOAAORR-8361 · Spills2011-09-21 → 2011-10-05Diomede islands, ak
- USGS-USP000J81Y · Quakes2011-09-14 → 2011-09-1732 km nnw of attu station, alaska
- NAVAREA XII 329/11 · Other2011-09-03 → 2011-09-03Pyrotechnics exercises 032000Z to 032200Z sep within 1.5 miles of 62-32.26N 167-17.47W
- NAVAREA XII 324/11 · Other2011-09-02 → 2011-09-03Pyrotechnics exercises 031900Z to 032000Z sep within 1.5 miles of 60-12.72N 168-11.62W
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.