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 618/22 · Cable ops2022-08-27 → 2022-09-02Underwater operations in progress until 01 sep by cableship it integrity in vicinity: a. 54-16.70N 165-54.60W
- NAVAREA XII 568/22 · Exercises2022-08-14 → 2022-08-15Alaska 1. gunnery operations 152100Z to 152230Z aug in area within 15 miles of 55-45.00N 168-30.00W
- NAVAREA XII 526/22 · Nav aids2022-08-02 → 2022-08-06It intrepid cable buoy with 30 meter float tail established in 54-16.60N 165-54.20W
- NAVAREA XII 525/22 · Cable ops2022-08-02 → 2022-08-20Cable operations in progress until further notice by cableship it intrepid along trackline joining 54-08.00N…
- NAVAREA XII 503/22 · Cable ops2022-07-26 → 2022-08-02Cable operations in progress until further notice by cableship it intrepid along trackline joining 53-54.90N…
- NOAAORR-10485 · Spills2022-06-27 → 2022-07-11White mystery substance on saint george island, pribilof islands, ak
- NOAAORR-10478 · Spills2022-06-18 → 2022-07-02Sennett point, unimak island, ak
- USGS-US7000HF1U · Quakes2022-06-04 → 2022-06-07Earthquake magnitude 6.3 (mww) in 52.054N 178.268E, depth 105 km at 042338Z jun 22
- NOAAORR-10447 · Spills2022-04-21 → 2022-05-05Leak of heating fuel from storage tank into secondary containment, savoonga, ak
- NAVAREA XII 201/22 · Exercises2022-03-31 → 2022-04-02Gunnery and pyrotechnic operations 011600Z to 020600Z apr in area within 14 miles of 56-00N 170-00W
- NOAAORR-10427 · Spills2022-03-12 → 2022-03-26On 12-Mar-2022, the uscg sector anchorage notified the noaa ssc regarding a pipeline leak in unalakleet
- NAVAREA XII 112/22 · Nav aids2022-02-20 → 2022-02-23Commdet kodiak, ak remote site nome 64-29N 165-15W hf services unreliable
- NAVAREA XII 111/22 · Nav aids2022-02-20 → 2022-06-22Commdet kodiak, ak remote site shemya 52-43N 174-07E hf services unreliable
- NAVAREA XII 64/22 · Nav aids2022-02-03 → 2022-02-14Commdet kodiak, ak remote site shemya 52-43N 174-07E hf services unreliable
- NAVAREA XII 63/22 · Nav aids2022-02-03 → 2022-02-14Commdet kodiak, ak remote site nome 64-29N 165-15W hf services unreliable
- USGS-US6000GG09 · Quakes2021-12-29 → 2022-01-01258 km nw of attu station, alaska
- HYDROPAC 3275/21 · Incidents2021-11-13 → 2021-12-03Distress signal received on 406 mhz in vicinity 55-48.0N 174-14.6W
- NOAAORR-10375 · Spills2021-10-26 → 2021-11-09Bering sea, alaska
- NAVAREA XII 603/21 · Other2021-10-19 → 2021-10-19Commdet kodiak, ak remote site nome 64-29N 165-15W 4125KHZ services unreliable 191700Z to 192200Z oct
- NAVAREA XII 556/21 · Nav aids2021-09-30 → 2021-10-01Commdet kodiak, ak remote site nome 64-29N 165-15W 4125KHZ transmit services off air 010700Z to 011300Z oct
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.