11 meter depth reported in 07-04.40N 172-46.20E
North Pacific Ocean · HYDROPAC 161/23
What this record establishes
Archived notice · 2023-02-21 15:06Z
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) · SFH 0/23 121800Z JAN 23.. Issued 2023-01-13 16:08Z. 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
- North Pacific Ocean. The parsed report position is 7.073, 172.770. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Related notices and cancellation links
- 11 meter depth reported in 07-04.40N 172-46.20Ecancelled by this notice
- Cancel HYDROPAC 161/23 and this msglater cancellation notice
These reports were linked by category and sea, with positions within 30 nautical miles and issue dates within 30 days of another report's recorded in-force span. Links can extend through other members, so the full group can cover a larger area or period. Proximity does not confirm that they describe one incident.
- HYDROPAC 76/232023-01-06 · Archived notice
- HYDROPAC 146/232023-01-12 · Archived notice
- HYDROPAC 161/23 · this notice2023-01-13 · Archived notice
Current notices and reporting history in the North Pacific Ocean →
- issued
- 2023-01-13 16:08Z
- status
- Archived notice
- authority
- SFH 0/23 121800Z JAN 23.
- issued by
- SFH
- sea
- North Pacific Ocean
- position
- 7.073, 172.770
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
NORTH PACIFIC. MARSHALL ISLANDS. DNC 12. 1. 11 METER DEPTH REPORTED IN 07-04.40N 172-46.20E. 2. CANCEL HYDROPAC 146/23.
Reading this warning
- DNC (Digital Nautical Chart)
- A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
- Shoal / reported depth
- Water shallower than the chart shows — a newly found shoal, a reported depth, or less water than charted.
- 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.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- HYDROPAC
- The U.S. long-range warning series for the Pacific outside NAVAREA XII and for the Indian Ocean, Persian Gulf and adjoining seas.
Collected reports in this area · wrecks & obstructions
5 within 180 nm since 2005 · 0 in the last 12 months · 1 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.
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
- Depths reported: a. 18 meters in 07-05.78N 171-22.53EWrecks · 83.2 nm
Worldwide in the collected sources
38 wrecks & obstructions listed in force · see all
Record snapshot 2026-10-02 14:08Z; source collection times vary.
Wrecks
Dangerous wrecks, shoals and submerged obstructions. All current wrecks & obstructions →
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.