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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07
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09
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11
12
13
14
15
16
17
18
19
20
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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 1473/03 · Other2003-08-26 → 2003-09-30Bombing exercises 0001Z to 1000Z daily 01 thru 06, 08, 09, 13, 15 thru 20, 22 thru 27, 29 and 30 sep in area…
- HYDROPAC 1423/03 · Exercises2003-08-20 → 2003-08-24Gunnery exercises 240200Z to 240500Z aug and 240800Z to 240900Z aug in area bound by 42-20.0N 132-24.0E,…
- HYDROPAC 1420/03 · Exercises2003-08-19 → 2003-08-25Hazardous operations 0300Z to 0900Z daily 24 and 25 in area bound by 42-20.0N 131-41.0E, 42-40.0N,…
- HYDROPAC 1316/03 · Exercises2003-07-29 → 2003-08-05Hazardous operations 2300Z to 0200Z commencing daily 03 and 04 aug and 0400Z to 0700Z daily 04 and 05 aug in…
- HYDROPAC 1297/03 · Other2003-07-27 → 2003-08-30Bombing exercises 0001Z to 1300Z daily 01, 02, 04 thru 09, 11 thru 16, 18 thru 23 and 25 thru 30 aug in area…
- HYDROPAC 1295/03 · Other2003-07-27 → 2003-08-30Bombing exercises 0001Z to 1000Z daily 01, 02, 04 thru 09, 11 thru 14, 16, 18 thru 23 and 25 thru 30 aug in…
- USGS-USP000C3FR · Quakes2003-07-27 → 2003-07-3097 km ne of svetlaya, russia
- HYDROPAC 1274/03 · Exercises2003-07-24 → 2003-07-29Hazardous operations 2300Z to 0200Z commencing daily 27 and 28 jul and 0400Z to 0900Z daily 28 and 29 jul in…
- HYDROPAC 1253/03 · Exercises2003-07-19 → 2003-07-24Hazardous operations 2300Z to 0200Z commencing daily 22 and 23 jul and 0400Z to 0700Z daily 23 and 24 jul in…
- HYDROPAC 1215/03 · Exercises2003-07-12 → 2003-07-18Hazardous operations 0300Z to 0400Z daily 17 and 18 jul in area bound by 41-47N 131-42E, 42-07N 131-42E,…
- HYDROPAC 1210/03 · Exercises2003-07-12 → 2003-07-17Hazardous operations 2200Z to 0200Z commencing daily 15 and 16 jul and 0400Z to 0900Z daily 16 and 17 jul in…
- HYDROPAC 1209/03 · Exercises2003-07-12 → 2003-07-19Hazardous operations 2300Z to 0200Z commencing daily 17 and 18 jul and 0400Z to 0700Z daily 18 and 19 jul in…
- HYDROPAC 1199/03 · Exercises2003-07-11 → 2003-07-17Hazardous operations 2200Z to 0200Z commencing daily 15 and 16 jul and 0400Z to 0900Z daily 16 and 17 jul in…
- HYDROPAC 1184/03 · Exercises2003-07-09 → 2003-07-16Hazardous operations 2200Z to 0200Z commencing daily 14 and 15 jul and 0400Z to 0900Z daily 15 and 16 jul in…
- HYDROPAC 1096/03 · Other2003-06-26 → 2003-07-30Bombing exercises 0001Z to 1300Z daily 01 thru 05, 07 thru 12, 14 thru 19, 21 thru 26 and 28 thru 30 jul in…
- HYDROPAC 1094/03 · Other2003-06-26 → 2003-07-31Bombing exercises 0001Z to 1000Z daily 01 thru 05, 07 thru 12, 14 thru 19, 21 thru 26 and 28 thru 31 jul in…
- HYDROPAC 921/03 · Other2003-05-29 → 2003-06-30Bombing exercises 0001Z to 1000Z daily 02 thru 05, 07, 09 thru 14, 16 thru 21, 23 thru 28 and 30 jun in area…
- HYDROPAC 911/03 · Other2003-05-28 → 2003-06-30Bombing exercises 0001Z to 1300Z daily 02 thru 07, 09 thru 14, 16 thru 21, 23 thru 28 and 30 jun in area…
- HYDROPAC 739/03 · Other2003-04-27 → 2003-05-31Bombing exercises 0001Z to 1000Z daily 01 thru 03, 06, 07, 09, 10, 12 thru 17, 19 thru 24 and 26 thru 31 may…
- HYDROPAC 728/03 · Other2003-04-26 → 2003-05-31Bombing exercises 0001Z to 1300Z daily 01 thru 03, 06 thru 10, 12 thru 17, 19 thru 24 and 26 thru 31 may 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.