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
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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% |
Ports on this sea · 1
Busiest first by annual vessel calls (IMF PortWatch); each port page shows the warnings within 60 nm, its World Port Index profile and monthly port calls.
- Dutch Harbor · United States48 archived
Archive · 622 cancelled
- NAVAREA XII 642/26 · Cable ops2026-09-18 → 2026-10-02Cable ship IT Integrity conducts cable operations in the Bering Sea off Alaska from 18 September to 2 October along a trackline and requests a one-mile berth.
- USGS-US7000TI1P · Quakes2026-09-17 → 2026-09-20A magnitude 6.5 earthquake strikes 177 kilometers west of Nikolski, Alaska, at 1419 UTC on September 26, and a tsunami message is issued.
- NAVAREA XII 638/26 · Cable ops2026-09-17 → 2026-09-17Cable operations by cableship IT Infinity are in progress until further notice in Bering Sea, Alaska, along a trackline from 64-28N 165-19W to 60-53N 166-39W, wide berth requested.
- HYDROPAC 2436/26 · Surveys2026-08-26 → 2026-09-11Survey operations by vessel Aleksandr Rogotskiy are in progress in the Bering Strait until 10 September, wide berth requested.
- USGS-US6000TGAE · Quakes2026-07-28 → 2026-07-31152 km e of ust’-kamchatsk staryy, russia
- NOAAORR-11190 · Spills2026-07-23 → 2026-08-06On july 20, 2026, the canadian ice service (cis), using a radar satellite constellation, detected an anomaly…
- NOAAORR-11189 · Spills2026-07-22 → 2026-08-05Adak, ak, USA
- NAVAREA XII 496/26 · Cable ops2026-07-19 → 2026-09-08Cable operations by cableship IT Infinity continue in the Bering Sea off Alaska until 30 November along a trackline; wide berth requested.
- NAVAREA XII 458/26 · Nav aids2026-06-29 → 2026-09-08Coast Guard high-frequency communication services at St. Paul, Alaska, are off air.
- USGS-US6000SZGM · Quakes2026-05-22 → 2026-05-25172 km ene of atka, alaska
- USGS-US6000SVNR · Quakes2026-05-06 → 2026-05-09233 km ese of attu station, alaska
- USGS-US7000S2N6 · Quakes2026-03-06 → 2026-03-09231 km ese of attu station, alaska
- USGS-US7000S211 · Quakes2026-03-04 → 2026-03-07223 km ese of attu station, alaska
- NOAAORR-11097 · Spills2026-01-05 → 2026-01-19George island, alaska
- USGS-US6000RUMI · Quakes2025-12-13 → 2025-12-16Earthquake magnitude 5.5 (mww) in 52.151N 178.353E, depth 108 km at 131051Z dec 25
- NOAAORR-11073 · Spills2025-10-13 → 2025-10-27Kuskokwim delta, ak, USA
- USGS-US7000QRJ0 · Quakes2025-08-28 → 2025-08-31237 km w of adak, alaska
- NAVAREA XII 422/25 · Surveys2025-07-14 → 2026-09-23Scientific moorings are established at 15 meters depth in Bering Strait, Alaska, at coordinates 65-46.86N 168-34.07W and 65-44.76N 168-15.75W.
- HYDROPAC 1795/25 · Surveys2025-07-14 → 2026-09-23A scientific mooring at seven meters depth is established in Bering Strait, Russia, at 66-19.56N 168-57.08W.
- NOAAORR-10999 · Spills2025-06-30 → 2025-07-14Pilot point, ak, USA
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.