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 · 622 cancelled
- NAVAREA XII 198/16 · Exercises2016-06-28 → 2016-06-30Gunnery exercises 291800Z to 292300Z jun within ten miles of 55-25N 168-18W
- NAVAREA XII 190/16 · Exercises2016-06-21 → 2016-06-23Gunnery exercises 222100Z to 230100Z jun within ten miles of 55-25N 168-18W
- NAVAREA XII 188/16 · Exercises2016-06-21 → 2016-06-21Gunnery exercises 222100Z to 230100Z jun within five miles of 55-25N 168-18W
- NAVAREA XII 176/16 · Other2016-06-03 → 2016-06-04Pyrotechnics exercises 040200Z to 040400Z jun in 52-45.3N 177-03.8W
- NAVAREA XII 161/16 · Exercises2016-05-25 → 2016-05-26Gunnery exercises 260100Z to 260430Z may within eight miles of 53-01-26N 176-55-28E
- NAVAREA XII 159/16 · Exercises2016-05-24 → 2016-05-25Gunnery exercises 261400Z to 280001Z may within eight miles of 53-08N 176-46E
- NAVAREA XII 153/16 · Exercises2016-05-19 → 2016-05-23Gunnery exercises 221700Z to 230100Z may within 12 miles of 52-42N 178-50W
- NAVAREA XII 141/16 · Exercises2016-05-11 → 2016-05-11Gunnery exercises 111700Z to 111900Z may within five miles of 55-37.0N 168-43.2W
- NAVAREA XII 140/16 · Exercises2016-05-10 → 2016-05-11Gunnery exercises 111700Z to 111900Z may within five miles of 55-37.0N 168-43.2W
- USGS-US20005H2L · Quakes2016-04-11 → 2016-04-14262 km ese of attu station, alaska
- NOAAORR-9262 · Spills2016-04-04 → 2016-04-18On march 24, 2016, an construction excavator fell through the ice the qinaq river near the village of…
- USGS-AK01649W95TP · Quakes2016-04-02 → 2016-04-0542 km e of port heiden, alaska
- NAVAREA XII 89/16 · Other2016-03-26 → 2016-03-27Pyrotechnics exercises 270200Z to 270600Z mar within 16 miles of 53-09N 170-22W
- NOAAORR-9207 · Spills2015-12-14 → 2015-12-28Sweeper cove, adak island, ak
- NOAAORR-9187 · Spills2015-10-16 → 2015-10-30On oct 16, 2015, the landing craft, "ketivik", a 50+ ft
- USGS-US10003KGQ · Quakes2015-10-05 → 2015-10-08180 km w of adak, alaska
- NOAAORR-9182 · Spills2015-10-01 → 2015-10-15Aleutians pribilof no 2; atka, alaska
- NAVAREA XII 321/15 · Exercises2015-09-16 → 2015-09-17Gunnery exercises in progress until 170540Z sep within 16 miles of 55-48N 168-25W
- NAVAREA XII 320/15 · Exercises2015-09-16 → 2015-09-17Gunnery exercises 171800Z to 180540Z sep within 16 miles of 55-48N 168-25W
- NAVAREA XII 317/15 · Exercises2015-09-15 → 2015-09-17Gunnery exercises 161800Z to 170540Z sep, alternate 171800Z to 180540Z sep, within 16 miles of 55-16N 168-25W
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.