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
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99
00
01
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06
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09
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11
12
13
14
15
16
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18
19
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26
By month (all years)
J
F
M
A
M
J
J
A
S
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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 141/06 · Exercises2006-01-27 → 2006-02-28Gunnery exercises 0001Z to 1300Z daily 01 thru 03, 06 thru 10, 13 thru 17, 20 thru 24, 27 and 28 feb in area…
- HYDROPAC 2222/05 · Exercises2005-12-27 → 2006-01-31Gunnery exercises 0001Z to 1300Z daily 02 thru 06, 09 thru 13, 16 thru 20, 23 thru 27 and 31 jan 06 in area…
- HYDROPAC 2208/05 · Exercises2005-12-24 → 2006-01-31Gunnery exercises 0001Z to 1300Z daily 02 thru 06, 09 thru 13, 16 thru 20, 23 thru 27 and 31 jan 06 in area…
- HYDROPAC 1986/05 · Exercises2005-11-26 → 2005-12-31Gunnery exercises 0001Z to 1300Z daily 01 thru 03, 05 thru 10, 12 thru 17, 19 thru 24 and 26 thru 31 dec in…
- HYDROPAC 1983/05 · Exercises2005-11-26 → 2005-12-30Gunnery exercises 0001Z to 1300Z daily 01, 02, 05 thru 09, 12 thru 16, 19 thru 23, and 26 thru 30 dec in…
- HYDROPAC 1944/05 · Surveys2005-11-21 → 2006-01-18Anchoring, flat fishing, dredging, and navigating with paid out anchor chain is prohibited until further…
- HYDROPAC 1911/05 · Incidents2005-11-15 → 2006-01-04Vessel adrift, three persons on board, vicinity 42-46N 133-02E
- HYDROPAC 1807/05 · Exercises2005-10-26 → 2005-11-30Gunnery exercises 0001Z to 1300Z daily 01 thru 05, 07 thru 12, 14 thru 19, 21 thru 26 and 28 thru 30 nov in…
- HYDROPAC 1806/05 · Exercises2005-10-26 → 2005-11-30Gunnery exercises 0001Z to 1300Z daily 01 thru 04, 07 thru 11, 14 thru 18, 21 thru 25 and 28 thru 30 nov in…
- USGS-USP000E2M7 · Quakes2005-10-23 → 2005-10-26191 km nw of mikuni, japan
- HYDROPAC 1679/05 · Surveys2005-10-06 → 2005-10-16Oceanographic operations in progress until 15 oct in areas: a. bound by 43-16N 131-58E, 43-16N 131-46E,…
- HYDROPAC 1617/05 · Exercises2005-09-29 → 2005-10-31Gunnery exercises 0001Z to 1300Z daily 04 thru 07, 10 thru 14, 24 thru 28, and 31 oct in area bound by…
- HYDROPAC 1562/05 · Exercises2005-09-23 → 2005-10-31Gunnery exercises 0001Z to 1300Z daily 01, 04 thru 08, 10 thru 15, 17 thru 22, 24 thru 29, and 31 oct in…
- HYDROPAC 1429/05 · Exercises2005-09-02 → 2005-09-09Hazardous operations 070400Z to 071400Z and 0200Z to 1400Z daily 08 and 09 sep in area bound by 42-00N…
- HYDROPAC 1420/05 · Exercises2005-09-01 → 2005-09-07Hazardous operations 2100Z to 0200Z commencing daily 05 and 06 sep in area bound by 42-39.8N 131-35.0E,…
- HYDROPAC 1379/05 · Exercises2005-08-26 → 2005-09-30Gunnery exercises 0001Z to 1300Z daily 01 thru 03, 05 thru 10, 12 thru 16, 20 thru 24, and 26 thru 30 sep in…
- HYDROPAC 1376/05 · Exercises2005-08-26 → 2005-09-30Gunnery exercises 0001Z to 1300Z daily 01, 02, 05 thru 09, 12 thru 16, 20 thru 23 and 26 thru 30 sep in area…
- HYDROPAC 1352/05 · Cable ops2005-08-21 → 2005-08-29Cable laying operations 25 thru 28 aug by M/V kem in area bound by 49-04.1N 142-01.4E, 49-04.2N 141-54.4E,…
- HYDROPAC 1284/05 · Incidents2005-08-09 → 2005-08-09Distress signal received on 406 mhz in 40-14N 132-07E at 090338Z aug
- HYDROPAC 1203/05 · Exercises2005-07-28 → 2005-08-03Hazardous operations 2100Z to 0100Z commencing daily 01 and 02 aug and 0300Z to 0700Z daily 02 and 03 aug in…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.