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
02
03
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05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
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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 346/08 · Incidents2008-02-24 → 2008-02-24M/V pioneer II, 21 persons on board, unreported from pusan (35-07N 129-04E) on 21 feb
- HYDROPAC 212/08 · Incidents2008-02-03 → 2008-02-10F/V capsized and adrift vicinity 33-19N 127-16E at 021740Z feb
- HYDROPAC 162/08 · Exercises2008-01-27 → 2008-02-29Gunnery exercises 2200Z to 1400Z commencing daily 31 jan, 03, 04, 10 thru 14, 17 thru 21 and 24 thru 28 feb…
- HYDROPAC 161/08 · Exercises2008-01-27 → 2008-02-29Gunnery exercises 0001Z to 1200Z daily 01, 04, 05, 11, 12, 14, 15, 18, 19, 21, 22, 25, 26, 28 and 29 feb in…
- HYDROPAC 2282/07 · Exercises2007-12-29 → 2008-01-31Gunnery exercises 0001Z to 1200Z daily 03, 04, 07, 08, 10, 11, 14, 15, 17, 18, 21, 22, 24, 25, 28, 29 and 31…
- HYDROPAC 2275/07 · Exercises2007-12-28 → 2008-01-31Gunnery exercises 2200Z to 1400Z commencing daily 01 thru 03, 06 thru 10, 13 thru 17, 20 thru 24 and 27 thru…
- HYDROPAC 2158/07 · Cable ops2007-12-06 → 2008-07-01Cable laying operations until 30 jun 08 by M/V subaru vicinity of trackline joining 45-56.8N 140-00.7E,…
- HYDROPAC 2117/07 · Exercises2007-11-29 → 2007-12-31Gunnery exercises 2200Z to 1400Z commencing daily 02 thru 06, 09 thru 13, 16 thru 20, 23 25 thru 27 and 30…
- HYDROPAC 2116/07 · Exercises2007-11-29 → 2007-12-31Gunnery exercises 0001Z to 1200Z daily 03, 04, 06, 07, 10, 11, 13, 14, 17, 18, 20, 21, 24, 27, 28 and 31 dec…
- HYDROPAC 2099/07 · Incidents2007-11-28 → 2008-02-03Man overboard from M/V CASTOR-1 vicinity 40-33N 132-25E
- HYDROPAC 1973/07 · Exercises2007-11-10 → 2007-11-16Hazardous operations 2200Z to 0300Z commencing daily 13 thru 15 nov and 0500Z to 1000Z daily 14 thru 16 nov…
- HYDROPAC 1943/07 · Incidents2007-11-05 → 2007-12-21Man overboard from F/V vulkan vicinity 47-03N 141-10E at 051440Z nov
- HYDROPAC 1873/07 · Surveys2007-10-29 → 2007-11-02Underwater operations by M/V wave mercury in progress until 01 nov vicinity of trackline joining 45-00.0N…
- HYDROPAC 1863/07 · Exercises2007-10-28 → 2007-11-30Gunnery exercises 0001Z to 1200Z daily 01, 02, 05, 06, 08, 09, 12, 13, 15, 16, 19, 20, 22, 23, 26, 27, 29…
- HYDROPAC 1861/07 · Exercises2007-10-28 → 2007-11-03Hazardous operations 0100Z to 0300Z and 0500Z to 0800Z daily 01 thru 03 nov in area bound by 42-15N 131-00E,…
- HYDROPAC 1853/07 · Exercises2007-10-27 → 2007-11-30Gunnery exercises 2200Z to 1400Z commencing daily 31 oct, 01, 04 thru 08, 11 thru 15, 18 thru 22, and 25…
- HYDROPAC 1696/07 · Incidents2007-10-02 → 2007-12-02Man overboard from M/V snow mass vicinity 44-26N 140-02E
- HYDROPAC 1641/07 · Exercises2007-09-26 → 2007-10-31Gunnery exercises 2200Z to 1400Z commencing daily 30 sep, 01, 03, 04, 07 thru 11, 14 thru 18, 21 thru 25 and…
- HYDROPAC 1568/07 · Exercises2007-09-11 → 2007-09-14Hazardous operations 0300Z to 1300Z daily 11 thru 14 sep in area bound by 42-00N 132-20E, 42-10N 132-00E,…
- HYDROPAC 1565/07 · Exercises2007-09-11 → 2007-09-28Gunnery exercises 0001Z to 1200Z daily 11, 13 and 14, 17 and 18, 20 and 21, 27 and 28 sep in area bound by…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.