Underwater ordnance detonations 140300Z to 141100Z aug in 33-00N 125-00E
Eastern China Sea · HYDROPAC 1195/00
What this record establishes
Archived notice · 2000-08-14 12:00Z
This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.
- Source and dates
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · CTG 72.2 100730Z AUG 00. Issued 2000-08-12 18:48Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- Eastern China Sea. The parsed report position is 33.000, 125.000. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Current notices and reporting history in the Eastern China Sea →
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2000-08-14 03:00Z | 2000-08-14 11:00Z | — | 8 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2000-08-12 18:48Z
- status
- Archived notice
- self-cancels
- 2000-08-14 12:00Z
- authority
- CTG 72.2 100730Z AUG 00
- issued by
- CTG
- sea
- Eastern China Sea
- position
- 33.000, 125.000
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER ORDNANCE DETONATIONS 140300Z TO 141100Z AUG IN 33-00N 125-00E. 2. CANCEL THIS MSG 141200Z AUG.
Reading this warning
- Unexploded ordnance
- Bombs, shells, mines or torpedoes found on the seabed or washed up, and the operations to remove or destroy them.
- Date-time group (DTG)
- A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
- Position (degrees and minutes)
- How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · ordnance operations
23 within 180 nm since 2000 · 0 in the last 12 months · 0 listed in force now
Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.
- Underwater ordnance detonations 192200Z to 230830Z mar in area bound by 34-34.33N 125-32.18E, 34-13.92N…2012-03-20
- Underwater ordnance detonations 0001Z to 2359Z daily 17 thru 20 mar in area bound by 34-31.9N 127-50.7E,…2009-03-14
- Underwater ordnance detonations 0001Z to 1300Z daily: a. 07 may in area bound by 26-07N 122-35E, 25-45N…2003-05-06
- Underwater ordnance detonations: a. 150900Z to 171459Z nov vicinity of trackline joining 32-04N 127-15E,…2002-11-13
- Underwater ordnance detonations 111100Z to 111500Z oct vicinity of trackline joining 35-41.7N 124-53.5E,…2002-10-08
- Underwater ordnance detonations 060700Z to 070300Z oct: a. in areas between: 1. 35-15.0N 35-20.0N and…2002-10-04
Month of issue in the collected archive
All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.
Nearby notices listed in force · within 120 nm
No other collected notice is currently listed in force within this radius. This does not establish safe conditions.
Worldwide in the collected sources
0 ordnance operations listed in force · see all
Record snapshot 2026-10-01 16:12Z; source collection times vary.
Ordnance
Ordnance disposal, underwater detonations and unexploded ordnance. All current ordnance operations →
Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.