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 538/09 · Ordnance2009-03-14 → 2009-03-14Underwater ordnance detonations 0001Z to 2359Z daily 16 thru 20 mar in area bound by 34-58.2N 128-44.5E,…
- HYDROPAC 508/09 · Exercises2009-03-11 → 2009-03-13Gunnery exercises 2300Z to 0800Z commencing daily 11 and 12 mar in area bound by 38-25N 128-45E, 38-25N…
- HYDROPAC 499/09 · Exercises2009-03-10 → 2009-03-20Gunnery exercises 0001Z to 0800Z daily 10 thru 13 and 16 thru 20 mar in area bound by 38-08N 129-51E, 38-08N…
- HYDROPAC 498/09 · Exercises2009-03-10 → 2009-03-11Gunnery exercises 2300Z to 0800Z commencing daily 09, 11 and 12 mar in area bound by 38-25N 128-45E, 38-25N…
- HYDROPAC 454/09 · Exercises2009-02-28 → 2009-03-06Gunnery exercises 2300Z to 1300Z commencing daily 01 thru 05 mar in area bound by 38-08N 129-51E, 38-08N…
- HYDROPAC 451/09 · Exercises2009-02-28 → 2009-03-06Gunnery exercises 2300Z to 0800Z commencing daily 03 thru 05 mar in area bound by 38-25N 128-45E, 38-25N…
- HYDROPAC 385/09 · Exercises2009-02-18 → 2009-02-27Gunnery exercises 0001Z to 0800Z daily 23 thru 27 feb in area bound by 38-08N 129-51E, 38-08N 130-10E,…
- HYDROPAC 384/09 · Exercises2009-02-18 → 2009-02-27Gunnery exercises 2300Z to 0800Z commencing daily 22, 23, 25 and 26 feb in area bound by 38-25N 128-45E,…
- HYDROPAC 358/09 · Incidents2009-02-16 → 2009-02-2198 meter M/V new star abandoned and adrift vicinity 41-50N 133-15E
- HYDROPAC 332/09 · Exercises2009-02-12 → 2009-02-17Gunnery exercises 2300Z to 0830Z commencing daily 15 and 16 feb in area bound by 38-25N 128-45E, 38-25N…
- HYDROPAC 329/09 · Exercises2009-02-12 → 2009-02-20Gunnery exercises 0001Z to 0800Z daily 16 thru 20 feb in area bound by 38-08N 129-51E, 38-08N 130-10E,…
- HYDROPAC 252/09 · Incidents2009-01-31 → 2009-03-141, 12 persons on board, unreported
- HYDROPAC 232/09 · Exercises2009-01-29 → 2009-02-06Gunnery exercises 0001Z to 0800Z daily 02 thru 06 feb in area bound by 38-08N 129-51E, 38-08N 130-10E,…
- HYDROPAC 193/09 · Exercises2009-01-23 → 2009-01-28Gunnery exercises 272300Z to 280830Z jan in area bound by 38-25N 128-45E, 38-25N 129-30E, 38-10N 129-30E,…
- HYDROPAC 192/09 · Exercises2009-01-23 → 2009-01-30Gunnery exercises 0001Z to 0800Z daily 28 thru 30 jan in area bound by 38-08N 129-51E, 38-08N 130-10E,…
- HYDROPAC 130/09 · Exercises2009-01-15 → 2009-01-23Gunnery exercises 0001Z to 0800Z daily 19 thru 23 jan in area between 38-08N 129-51E, 38-08N 130-10E, 37-39N…
- HYDROPAC 72/09 · Exercises2009-01-08 → 2009-01-16Gunnery exercises 0001Z to 0800Z daily 12 thru 16 jan in area bound by 38-08N 129-51E, 38-08N 130-10E,…
- HYDROPAC 23/09 · Exercises2009-01-03 → 2009-01-09Gunnery exercises 0001Z to 0800Z daily 05 thru 09 jan in area bound by 38-08N 129-51E, 38-08N 130-10E,…
- HYDROPAC 2561/08 · Exercises2008-12-26 → 2008-12-30Gunnery exercises 300001Z to 300800Z dec in area bound by 38-25N 128-45E, 38-25N 129-30E, 38-10N 129-30E,…
- HYDROPAC 2478/08 · Exercises2008-12-13 → 2008-12-31Gunnery exercises 0001Z to 0800Z daily 17 thru 19, 22 thru 24, 26 and 29 thru 31 dec in area bound by 38-08N…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.