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
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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 1104/08 · Exercises2008-06-11 → 2008-06-21Gunnery exercises 2300Z to 0100Z commencing daily 16 thru 20 jun and 0400Z to 0700Z daily 17 thru 21 jun in…
- HYDROPAC 1090/08 · Incidents2008-06-09 → 2008-07-26Man overboard from M/V leader in 45-43N 141-33E at 081200Z jun
- USGS-USP000G8J4 · Quakes2008-06-04 → 2008-06-07135 km wsw of kamiiso, japan
- HYDROPAC 1030/08 · Exercises2008-05-30 → 2008-06-27Gunnery exercises 0001Z to 1200Z daily 09, 10, 12, 13, 16, 17, 19, 20, 23, 24, 26 and 27 jun area bound by…
- HYDROPAC 1028/08 · Exercises2008-05-30 → 2008-06-30Hazardous operations 0001Z to 0900Z daily 02 thru 05, 09 thru 13, 16 thru 20, 23 thru 27 and 30 jun in area…
- HYDROPAC 1027/08 · Nav aids2008-05-30 → 2008-06-02NAVTEX station jukbyeon 37-03N 129-25E inoperative 300001Z may to 020600Z jun
- USGS-USP000G783 · Quakes2008-05-19 → 2008-05-2252 km sse of popova, russia
- HYDROPAC 879/08 · Cable ops2008-05-07 → 2008-08-13Cable laying operations 08 may thru 12 aug by cableship kdd pacific link along trackline joining 42-47.43N…
- HYDROPAC 854/08 · Cable ops2008-05-05 → 2008-05-07Cable laying operations 08 may thru 12 aug by cableship kdd pacific link along trackline joining 42-47.56N…
- HYDROPAC 844/08 · Cable ops2008-05-03 → 2008-06-13Cable laying operations 08 may thru 22 jun by cableship kdd pacific link in area bound by 42-50N 132-40E,…
- HYDROPAC 822/08 · Cable ops2008-04-30 → 2008-05-31Cable repair operations 02 thru 30 may by M/V wave venture in area bound by 48-13.45N 141-16.50E, 48-16.00N…
- HYDROPAC 817/08 · Exercises2008-04-29 → 2008-05-09Gunnery exercises 0001Z to 1200Z daily 01, 02, 06, 08 and 09 may in area bound by 38-25N 128-45E, 38-25N…
- HYDROPAC 799/08 · Exercises2008-04-27 → 2008-05-09Gunnery exercises 2300Z to 1400Z commencing daily 30 apr, 10 and 05 thru 08 may in area bound by 38-08N…
- USGS-USP000G43M · Quakes2008-04-16 → 2008-04-196 km ene of yuza, japan
- HYDROPAC 564/08 · Exercises2008-03-27 → 2008-04-30Gunnery exercises 2300Z to 1400Z commencing daily 31 mar thru 03 apr, 06 thru 10, 13 thru 17, 20 thru 24 and…
- HYDROPAC 563/08 · Exercises2008-03-27 → 2008-04-29Gunnery exercises 0001Z to 1200Z daily 01, 03, 04, 07, 08, 10, 11, 14, 15, 17, 18, 21, 22, 24, 25, 28 and 29…
- HYDROPAC 445/08 · Incidents2008-03-07 → 2008-03-07Distress signal received on 406 mhz at 071235Z mar in: a. 33-01-40N 119-26-41E
- HYDROPAC 386/08 · Exercises2008-02-28 → 2008-03-31Gunnery exercises 0001Z to 1200Z daily 03, 04, 06, 07, 10, 11, 13, 17, 18, 20, 21, 24, 25, 27, 28 and 31 mar…
- HYDROPAC 370/08 · Exercises2008-02-27 → 2008-03-31Gunnery exercises 2200Z to 1400Z commencing daily 02 thru 06, 09 thru 13, 16 thru 20, 23 thru 27 and 30 mar…
- HYDROPAC 361/08 · Ordnance2008-02-26 → 2008-03-06Underwater ordnance detonations 0001Z to 0800Z daily 02 thru 06 mar in areas bound by: a. 36-06.70N…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.