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 1662/08 · Exercises2008-08-27 → 2008-09-30Gunnery exercises 0001Z to 0800Z daily 01 thru 05, 08 thru 12, 16 thru 19, 22 thru 26, 29 and 30 sep in area…
- HYDROPAC 1643/08 · Exercises2008-08-25 → 2008-08-31Hazardous operations 2300Z to 0200Z commencing daily 29 and 30 aug and 0400Z to 0700Z daily 30 and 31 aug in…
- HYDROPAC 1636/08 · Exercises2008-08-24 → 2008-08-30Hazardous operations 2300Z to 0200Z commencing daily 28 and 29 aug and 0400Z to 0700Z daily 29 and 30 aug in…
- HYDROPAC 1433/08 · Exercises2008-07-27 → 2008-08-29Gunnery exercise 0001Z to 0800Z daily 01, 04, 05, 07, 08, 11, 12, 14, 18, 19, 21, 22, 25, 26, 28 and 29 aug…
- HYDROPAC 1432/08 · Exercises2008-07-27 → 2008-08-29Gunnery exercises 0001Z to 0900Z daily 01, 04 thru 08, 11 thru 14, 18 thru 22 and 25 thru 29 aug in area…
- HYDROPAC 1423/08 · Exercises2008-07-26 → 2008-07-30Gunnery exercises 2300Z to 0100Z commencing daily 27 thru 29 jul and 0400Z to 0600Z daily 28 thru 30 jul in…
- HYDROPAC 1350/08 · Exercises2008-07-16 → 2008-07-31Gunnery exercises 0001Z to 1200Z daily 21, 22, 24, 25, 28 and 31 jul in area bound by 38-25N 128-45E, 38-25N…
- HYDROPAC 1344/08 · Exercises2008-07-16 → 2008-07-31Gunnery exercises 0001Z to 0900Z daily 21 thru 25 and 28 thru 31 jul in area bound by 38-08N 129-51E, 38-08N…
- HYDROPAC 1310/08 · Surveys2008-07-10 → 2008-08-31Hydrographic survey in progress until 311300Z aug by M/V marshal gelovany in area bound by 42-42N 134-58E,…
- HYDROPAC 1280/08 · Surveys2008-07-06 → 2008-07-10Hydrographic survey in progress until 01 sep by M/V marshal gelovany in area bound by 42-42N 134-58E, 43-22N…
- HYDROPAC 1273/08 · Exercises2008-07-05 → 2008-07-12Hazardous operations 2300Z to 0200Z commencing daily 10 and 11 jul and 0400Z to 0700Z daily 11 and 12 jul in…
- HYDROPAC 1262/08 · Surveys2008-07-04 → 2008-07-11Survey operations in progress until 10 jul along trackline joining 51-27.5N 140-54.2E, 51-27.9N 140-52.3E,…
- HYDROPAC 1231/08 · Exercises2008-06-30 → 2008-07-05Hazardous operations 2300Z to 0200Z commencing daily 03 and 04 jul and 0400Z to 0700Z daily 04 and 05 jul in…
- USGS-USP000GAZ0 · Quakes2008-06-29 → 2008-07-0266 km e of terney, russia
- HYDROPAC 1228/08 · Exercises2008-06-29 → 2008-07-18Gunnery exercises 0001Z to 0900Z daily 01 thru 04, 07 thru 11 and 14 thru 18 jul in area bound by 38-08N…
- HYDROPAC 1217/08 · Exercises2008-06-28 → 2008-07-18Gunnery exercises 0001Z to 1200Z daily 01, 02, 04, 07, 08, 10, 11, 14, 15 and 18 jul in area bound by 38-25N…
- HYDROPAC 1173/08 · Exercises2008-06-21 → 2008-06-28Hazardous operations 2100Z to 0200Z commencing daily 26 and 27 jun and 0400Z to 0900Z daily 27 and 28 jun in…
- HYDROPAC 1126/08 · Exercises2008-06-15 → 2008-06-21Gunnery exercises 2300Z to 0100Z commencing daily 16 thru 20 jun and 0400Z to 0700Z daily 17 thru 21 jun in…
- HYDROPAC 1114/08 · Cable ops2008-06-13 → 2008-07-05Cable laying operations in progress until 04 jul by cableship kdd pacific link in area bound by 42-50N…
- HYDROPAC 1105/08 · 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…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.