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
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05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
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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
- USGS-USP000HW18 · Quakes2011-03-11 → 2011-03-1413 km e of arai, japan
- HYDROPAC 739/11 · Exercises2011-03-09 → 2011-03-18Gunnery exercises 2300Z to 0800Z commencing daily 13 thru 17 mar in area bound by 38-25N 128-45E, 38-25N…
- HYDROPAC 738/11 · Exercises2011-03-09 → 2011-03-18Gunnery exercises 0001Z to 0800Z daily 14 thru 18 mar in area bound by 38-15N 129-51E, 38-14N 130-10E,…
- HYDROPAC 704/11 · Ordnance2011-03-05 → 2011-03-06Underwater ordnance detonations 052200Z to 060830Z mar within one mile of: a. 36-09-11.71N 129-26-42.31E
- HYDROPAC 666/11 · Exercises2011-03-02 → 2011-03-11Gunnery exercises 2300Z to 0800Z commencing daily 06 thru 10 mar in area bound by 38-25N 128-45E, 38-25N…
- HYDROPAC 665/11 · Exercises2011-03-02 → 2011-03-11Gunnery exercises 0001Z to 0800Z daily 07 thru 11 mar in area bound by 38-15N 129-51E, 38-14N 130-10E,…
- HYDROPAC 583/11 · Exercises2011-02-23 → 2011-03-04Gunnery exercises 2300Z to 0800Z commencing daily 27 feb and 01 thru 03 mar in area bound by 38-25N 128-45E,…
- HYDROPAC 582/11 · Exercises2011-02-23 → 2011-03-04Gunnery exercises 0001Z to 0800Z daily 28 feb and 02 thru 04 mar in area bound by 38-15N 129-51E, 38-14N…
- HYDROPAC 533/11 · Exercises2011-02-17 → 2011-02-24Gunnery exercises 2300Z to 0800Z commencing daily 20 thru 24 feb in area bound by 38-25N 128-45E, 38-25N…
- HYDROPAC 532/11 · Exercises2011-02-17 → 2011-02-25Gunnery exercises 0001Z to 0800Z daily 21 thru 25 feb in area bound by 38-15N 129-51E, 38-14N 130-10E,…
- HYDROPAC 449/11 · Exercises2011-02-09 → 2011-02-18Gunnery exercises 2300Z to 0800Z commencing daily 13 thru 17 feb in area bound by 38-25N 128-45E, 38-25N…
- HYDROPAC 448/11 · Exercises2011-02-09 → 2011-02-18Gunnery exercises 0001Z to 0800Z daily 14 thru 18 feb in area bound by 38-15N 129-51E, 38-14N 130-10E,…
- HYDROPAC 388/11 · Exercises2011-02-02 → 2011-02-11Gunnery exercises 2300Z to 0800Z commencing daily 06 thru 10 feb in area bound by 38-25N 128-45E, 38-25N…
- HYDROPAC 387/11 · Exercises2011-02-02 → 2011-02-11Gunnery exercises 0001Z to 0800Z daily 07 thru 11 feb in area bound by 38-15N 129-51E, 38-14N 130-10E,…
- HYDROPAC 315/11 · Exercises2011-01-26 → 2011-02-01Gunnery exercises 2300Z to 0800Z commencing daily 30 and 31 jan in area bound by 38-25N 128-45E, 38-25N…
- HYDROPAC 314/11 · Exercises2011-01-26 → 2011-02-01Gunnery exercises 0001Z to 0800Z daily 31 jan and 01 feb in area bound by 38-15N 129-51E, 38-14N 130-10E,…
- HYDROPAC 226/11 · Incidents2011-01-19 → 2011-02-12Man overboard from M/V mariya in 39-15.9N 136-40.8E at 190950Z jan
- HYDROPAC 222/11 · Exercises2011-01-19 → 2011-01-28Gunnery exercises 0001Z to 0800Z daily 24 thru 28 jan in area bound by 38-15N 129-51E, 38-14N 130-10E,…
- HYDROPAC 221/11 · Exercises2011-01-19 → 2011-01-28Gunnery exercises 2300Z to 0800Z commencing daily 23 thru 27 jan in area bound by 38-25N 128-45E, 38-25N…
- HYDROPAC 126/11 · Exercises2011-01-12 → 2011-01-21Gunnery exercises 2300Z to 0800Z commencing daily 16 thru 20 jan in area bound by 38-25N 128-45E, 38-25N…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.