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 805/07 · Cable ops2007-05-02 → 2007-07-31Cable laying operations in progress thru 30 jul by M/V fu hai vicinity of trackline joining 49-03.20N…
- HYDROPAC 770/07 · Exercises2007-04-26 → 2007-05-31Gunnery exercises 2200Z to 1400Z commencing daily 30 apr thru 03 may, 06 thru 10, 13 thru 17, 20 thru 22, 24…
- HYDROPAC 767/07 · Exercises2007-04-26 → 2007-05-31Gunnery exercises 0001Z to 0800Z daily 01, 03 and 04, 07 and 08, 10 and 11, 14 and 15, 17 and 18, 21 and 22,…
- HYDROPAC 736/07 · Incidents2007-04-23 → 2007-06-10Distress signal received on 406 mhz vicinity 41-15-10N 130-48-57E at 221230Z apr
- HYDROPAC 671/07 · Exercises2007-04-14 → 2007-04-21Hazardous operations 2100Z to 0400Z commencing daily 19 and 20 apr and 0600Z to 1000Z daily 20 and 21 apr in…
- HYDROPAC 670/07 · Incidents2007-04-14 → 2007-06-10Person missing from F/V belinskoye vicinity 38-13N 133-19E
- HYDROPAC 564/07 · Exercises2007-03-27 → 2007-04-02Hazardous operations 312100Z mar to 010200Z apr, 012100Z to 020200Z apr and 0400Z to 0700Z daily 01 and 02…
- HYDROPAC 556/07 · Exercises2007-03-26 → 2007-04-30Gunnery exercises 0001Z to 0800Z daily 02 thru 06, 09 thru 13, 23 thru 27, and 30 apr in area bound by…
- HYDROPAC 555/07 · Exercises2007-03-26 → 2007-04-30Gunnery exercises 2200Z to 1400Z commencing daily 01 thru 05, 08 thru 12, 15 thru 19, 22 thru 26 and 29 apr…
- USGS-USP000F7B5 · Quakes2007-03-25 → 2007-03-2846 km nw of nanao, japan
- HYDROPAC 513/07 · Restricted2007-03-20 → 2007-03-30Navigation prohibited 2100Z to 1200Z commencing daily 25 thru 29 mar in area bound by 42-50.7N 134-29.0E,…
- HYDROPAC 510/07 · Exercises2007-03-19 → 2007-03-26Hazardous operations 2100Z to 0200Z commencing daily 24 and 25 mar and 0400Z to 0800Z daily 25 and 26 mar in…
- HYDROPAC 481/07 · Derelicts2007-03-15 → 2007-03-22Derelict F/V adrift vicinity 40-48N 131-27E
- HYDROPAC 478/07 · Exercises2007-03-14 → 2007-03-21Hazardous operations 2200Z to 0300Z commencing daily 19 and 20 mar and 0500Z to 0900Z daily 20 and 21 mar in…
- USGS-USP000F6BX · Quakes2007-03-09 → 2007-03-1219 km se of sergeyevka, russia
- HYDROPAC 414/07 · Exercises2007-03-07 → 2007-03-30Hazardous operations 0001Z to 0800Z daily 12 thru 16, 19 thru 23 and 26 thru 30 mar in area bound by 38-25N…
- HYDROPAC 344/07 · Exercises2007-02-25 → 2007-03-30Gunnery exercises 2200Z to 1400Z commencing daily 01, 04 thru 08, 11 thru 15, 18 thru 22 and 25 thru 29 mar…
- HYDROPAC 340/07 · Exercises2007-02-25 → 2007-02-25Gunnery exercises 2200Z to 1400Z commencing daily 01, 04 thru 08, 11 thru 15, 18 thru 22 and 25 thru 29 mar…
- HYDROPAC 165/07 · Exercises2007-01-25 → 2007-02-28Gunnery exercises 2200Z to 1500Z commencing daily 31 jan, 01, 04 thru 08, 11 thru 15, 19 thru 22 and 25 thru…
- HYDROPAC 2533/06 · Exercises2006-12-26 → 2007-01-31Gunnery exercises 0001Z to 1300Z daily 02 thru 05, 08 thru 12, 15 thru 19, 22 thru 26 and 29 thru 31 jan 07…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.