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
By month (all years)
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 1561/07 · Exercises2007-09-11 → 2007-09-14Hazardous operations 0300Z to 1300Z daily 11 thru 14 sep in area bound by 42-00N 132-20E, 42-10N 132-00E,…
- HYDROPAC 1507/07 · Exercises2007-08-29 → 2007-09-28Gunnery exercises 2200Z to 1400Z commencing daily 02 thru 06, 09 thru 13, 16 thru 20, 26, and 27 sep in area…
- USGS-USP000FJN2 · Quakes2007-08-14 → 2007-08-1720 km wsw of pravda, russia
- HYDROPAC 1413/07 · Cable ops2007-08-13 → 2007-12-02Cable operations in progress until further notice along trackline joining 49-03.20N 140-18.60E, 49-03.44N…
- USGS-USP000FHPR · Quakes2007-08-02 → 2007-08-058 km sw of nevel’sk, russia
- USGS-USP000FHNQ · Quakes2007-08-02 → 2007-08-0510 km wnw of nevel’sk, russia
- USGS-USP000FHN0 · Quakes2007-08-02 → 2007-08-0520 km wsw of yablochnyy, russia
- HYDROPAC 1310/07 · Exercises2007-07-28 → 2007-08-31Gunnery exercises 0001Z to 0800Z daily 02 and 03, 06 thru 10, 13 and 14, 16 and 17, 20 and 21, 23 and 24, 27…
- HYDROPAC 1306/07 · Exercises2007-07-27 → 2007-08-31Gunnery exercises 2200Z to 1400Z commencing daily 31 jul thru 02 aug, 05 thru 09, 12, 13, 15, 16, 19 thru…
- USGS-USP000FGC3 · Quakes2007-07-16 → 2007-07-19133 km wnw of mikuni, japan
- USGS-USP000FGAU · Quakes2007-07-16 → 2007-07-1916 km nnw of kashiwazaki, japan
- USGS-USP000FG9T · Quakes2007-07-16 → 2007-07-1920 km nnw of kashiwazaki, japan
- HYDROPAC 1197/07 · Exercises2007-07-10 → 2007-07-31Gunnery exercises 0000Z to 0800Z daily 12, 13, 16, 19, 20, 23, 24, 26, 27, 30 and 31 jul in area bound by…
- HYDROPAC 1113/07 · Exercises2007-06-27 → 2007-07-31Gunnery exercises 2200Z to 1400Z commencing daily 01 thru 05, 08 thru 12, 15, 17 thru 19, 22 thru 26, 29 and…
- HYDROPAC 997/07 · Exercises2007-06-08 → 2007-06-18Hazardous operations 2300Z to 0100Z commencing daily 13 thru 17 jun and 0400Z to 0600Z daily 14 thru 18 jun…
- HYDROPAC 971/07 · Exercises2007-06-01 → 2007-06-29Gunnery exercises 0001Z to 0800Z daily 04 and 05, 07 and 08, 11 and 12, 14 and 15, 18 and 19, 21 and 22, 25…
- HYDROPAC 970/07 · Exercises2007-06-01 → 2007-06-09Hazardous operations 2300Z to 0100Z commencing daily 04 thru 08 jun, 0400Z to 0600Z daily 05 thru 07 jun in…
- HYDROPAC 969/07 · Surveys2007-06-01 → 2007-09-16Survey operations in progress until 15 sep by M/V marshal gelovany towing 500 meter long cable in area bound…
- HYDROPAC 965/07 · Surveys2007-05-31 → 2007-06-15Survey operations in progress until 25 jul by M/V nikolay kolomiytsev along tracklines joining: a. 42-47.57N…
- HYDROPAC 937/07 · Exercises2007-05-27 → 2007-06-30Gunnery exercises 2200Z to 1400Z commencing daily 31 may, 03 and 04, 06 and 07, 10 thru 14, 17 thru 21, 24…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.