Japan Sea
IHO sea area 52 · 126° to 142° E, 33° to 52° N
- in force
- 0
- last 12 months
- 16
- archive messages
- 1,301
- categories
- 15
What the archive shows
1,301 messages are recorded since 1993-06-02 for the Japan 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.
Exercises accounts for 635 of 1,301 recorded messages (49%), 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.
In force now · 0
Nothing in force in this sea right now.
By year
93
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
| Exercises | 635 | 49% |
| Missiles | 190 | 15% |
| Other | 105 | 8% |
| Incidents | 103 | 8% |
| Quakes | 87 | 7% |
| Derelicts | 51 | 4% |
| Surveys | 34 | 3% |
| Ordnance | 29 | 2% |
| Cable ops | 24 | 2% |
| Nav aids | 17 | 1% |
| Restricted | 15 | 1% |
| Wrecks | 5 | 0% |
| Debris | 3 | 0% |
| Containers | 2 | 0% |
| Volcanic | 1 | 0% |
Archive · 1,301 cancelled
- HYDROPAC 138/18 · Exercises2018-01-11 → 2018-01-18Hazardous operations 0001Z to 0800Z daily 15 thru 18 jan in area within five miles of 45-32.0N 141-18.5E
- HYDROPAC 4517/17 · Derelicts2017-12-21 → 2017-12-24Derelict vessel partial submerged and adrift in vicinity 42-29.0N 132-02.5E at 211400Z dec
- HYDROPAC 4330/17 · Derelicts2017-12-10 → 2017-12-13Derelict F/V partially submerged and adrift in 41-26N 131-20E at 100700Z dec
- HYDROPAC 4036/17 · Incidents2017-11-20 → 2017-12-08Distress signal received on 406 mhz in 40-56.22N 131-30.13E at 192122Z nov
- HYDROPAC 3987/17 · Derelicts2017-11-17 → 2017-11-20Derelict 12 meter vessel partial submerged and adrift in 42-24.4N 131-56.6E at 170004Z nov
- USGS-US2000BNRS · Quakes2017-11-15 → 2017-11-187 km sw of heunghae, south korea
- HYDROPAC 3427/17 · Derelicts2017-10-07 → 2017-10-27Two derelict five meter vessels partially submerged and adrift in 42-37.7N 132-48.6E at 070230Z oct
- HYDROPAC 3401/17 · Other2017-10-05 → 2017-10-0612 persons overboard from vessel lurong yuanyu 378 in 39-53N 132-11E at 041848Z oct
- HYDROPAC 3356/17 · Surveys2017-09-30 → 2017-11-02Survey operations in progress until nov 01 by M/V ZEPHIR-1 towing 8500 meter long cable in area bound by…
- HYDROPAC 3290/17 · Exercises2017-09-25 → 2017-09-29Hazardous operations: a. 26 sep in area between 42-15.0N 42-23.0N and 131-23.0E 131-31.0E
- HYDROPAC 3227/17 · Derelicts2017-09-19 → 2017-09-22Derelict vessel partially submerged and adrift in 42-51.95N 131-39.14E at 190700Z sep
- HYDROPAC 3210/17 · Exercises2017-09-18 → 2017-09-25Gunnery exercises 222100Z to 252100Z sep in area bound by 42-47.0N 135-55.0E, 43-08.0N 135-37.0E, 43-21.3N…
- HYDROPAC 2955/17 · Exercises2017-08-30 → 2017-09-05Gunnery exercises 0001Z to 0800Z daily 04 and 05 sep within five miles of 45-32.0N 141-18.5E
- HYDROPAC 2746/17 · Surveys2017-08-13 → 2017-09-12Survey operations 14 aug thru 11 sep by M/V amazon warrior towing 10 6000 meter long cables in area bound by…
- HYDROPAC 2669/17 · Derelicts2017-08-06 → 2017-08-09Derelict five meter vessel adrift in 42-07.0N 133-24.5E at 062147Z aug
- HYDROPAC 2586/17 · Surveys2017-07-30 → 2017-11-01Survey operations 01 aug thru 31 oct by M/V ivan kireyev and M/V bukhoro in area bound by 51-21.71N…
- HYDROPAC 2483/17 · Derelicts2017-07-20 → 2017-07-23Derelict 12 meter F/V, white hull, partially submerged and adrift in 42-53.3N 131-43.7E at 200610Z jul
- USGS-US20009VSI · Quakes2017-07-12 → 2017-07-15179 km ese of hoemul-li, north korea
- HYDROPAC 2244/17 · Incidents2017-06-27 → 2017-07-14Distress signal received on 406 mhz in 38-39-14N 130-56-27E at 270623Z jun
- HYDROPAC 2024/17 · Missiles2017-06-09 → 2017-06-16Gunnery and missile operations 130500Z to 141000Z and 2200Z to 1000Z commencing daily 14 and 15 jun in area…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.