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 1342/16 · Incidents2016-05-09 → 2016-05-12Derelict 25 meter F/V STAR-7 capsized and adrift in 42-16.5N 132-53.5E at 090500Z may
- HYDROPAC 1128/16 · Incidents2016-04-18 → 2016-05-08Distress signal received on 406 mhz from vessel liaodongyu in 44-36N 137-53E at 180245Z apr
- HYDROPAC 1115/16 · Missiles2016-04-16 → 2016-04-23Hazardous operations 2300Z to 1000Z commencing daily 20 thru 22 apr in area bound by 41-38.2N 132-56.0E,…
- HYDROPAC 885/16 · Incidents2016-03-27 → 2016-03-30Derelict 25 meter F/V STAR-7 capsized and adrift in 38-37.02N 130-53.73E at 260720Z mar
- HYDROPAC 875/16 · Incidents2016-03-25 → 2016-04-03Distress signal received on 406 mhz at 251150Z mar in: a. 35-59-06N 120-14-16E
- HYDROPAC 514/16 · Incidents2016-02-24 → 2016-03-06Man overboard from M/V seagrand in 44-59.0N 136-49.1E at 242145Z feb
- USGS-US10004DJN · Quakes2016-01-11 → 2016-01-1474 km nw of rumoi, japan
- HYDROPAC 3937/15 · Incidents2015-12-01 → 2015-12-06Man overboard from F/V moneron vicinity 36-20N 130-20E at 301820Z nov
- HYDROPAC 3796/15 · Incidents2015-11-19 → 2015-11-28Six meter F/V, green hull, capsized and adrift in 42-44.17N 132-55.81E
- HYDROPAC 3790/15 · Incidents2015-11-19 → 2015-11-19Derelict vessel, green hull, capsized and adrift in 42-44.17N 132-55.81E
- HYDROPAC 3789/15 · Incidents2015-11-19 → 2015-11-19Six meter F/V, three persons on board, unreported
- HYDROPAC 3605/15 · Nav aids2015-11-03 → 2015-11-04NAVTEX station otaru 43-19N 140-27E at reduced power 040140Z to 040300Z nov
- HYDROPAC 2792/15 · Incidents2015-08-24 → 2015-08-30Man overboard from M/V marine star vicinity 45-56N 141-00E at 232000Z aug
- HYDROPAC 2421/15 · Missiles2015-07-24 → 2015-07-31Hazardous operations 2200Z to 1000Z commencing daily 27 thru 30 jul in area bound by 41-13-00N 133-36-00E,…
- HYDROPAC 2414/15 · Missiles2015-07-23 → 2015-07-24Hazardous operations 2200Z to 1000Z commencing daily 28 thru 30 jul in area bound by 41-13-00N 133-36-00E,…
- HYDROPAC 2241/15 · Incidents2015-07-06 → 2015-08-20Three meter vessel, white hull, two persons on board, unreported
- HYDROPAC 1958/15 · Cable ops2015-06-16 → 2016-02-21Cable operations in progress until further notice vicinity of trackline joining 48-14.62N 141-17.09E,…
- HYDROPAC 1618/15 · Missiles2015-05-16 → 2015-05-23Hazardous operations 2200Z to 1000Z commencing daily 20 thru 22 may in area bound by 41-38.5N 132-43.6E,…
- HYDROPAC 1526/15 · Cable ops2015-05-08 → 2015-06-11Cable operations 11 may thru 10 jun in area bound by 48-11.95N 141-05.32E, 48-22.95N 141-07.33E, 48-14.84N…
- HYDROPAC 1343/15 · Missiles2015-04-22 → 2015-04-30Hazardous operations 2200Z to 1000Z commencing daily 27 thru 29 apr in area bound by 41-12-45N 133-16-00E,…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.