Geophysical operations in progress until 31 oct by M/V diabaz in areas bound by: a. 51-48-28N 143-24-43E,…
Sea of Okhotsk · HYDROPAC 1798/08
What this record establishes
Archived notice · 2008-10-14 11:10Z
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) · VLAD 208/08 14 SEP 08.. Issued 2008-09-14 11:38Z. 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
- Sea of Okhotsk. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
Related notices and cancellation links
Current notices and reporting history in the Sea of Okhotsk →
- issued
- 2008-09-14 11:38Z
- status
- Archived notice
- authority
- VLAD 208/08 14 SEP 08.
- issued by
- VLAD
- sea
- Sea of Okhotsk
- position
- 51.830, 143.418
- vessel
- M/V DIABAZ · 21 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. GEOPHYSICAL OPERATIONS IN PROGRESS UNTIL 31 OCT
BY M/V DIABAZ IN AREAS BOUND BY:
A. 51-48-28N 143-24-43E, 51-50-22N 143-23-09E,
51-51-06N 143-25-26E, 51-49-12N 143-27-01E.
B. 51-37-48N 143-29-43E, 51-39-27N 143-28-18E,
51-39-58N 143-29-52E, 51-38-19N 143-31-17E.
WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 01 NOV.
Reading this warning
- Area bound by
- Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
- 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.
- Wide berth requested
- Keep well clear — or, when a distance is given ("TWO MILE BERTH REQUESTED"), at least that far away.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · other warnings
15 within 180 nm since 2003 · 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.
- Structures reported in: a. 52-12.9N 143-51.9E2019-07-24
- Structures reported in: a. 51-18-20N 144-21-42E2018-10-01
- Submerged wells established in: a. 51-27-19.05N 143-53-12.51E, 5.3 meters above seabed2016-10-07
- Mys orlova light 51-25.4N 140-52.9E at reduced intensity2016-09-01
- Geophysical operations 26 jul thru 30 sep by M/V trias within 1000 meters of: a. 51-18-37.9N 144-21-43.8E2014-07-25
- Geophysical operations 01 thru 31 dec by M/V professor kurentsov in areas bound by: a. 51-14.19N 144-15.69E,…2013-11-26
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
- Underwater operations 01 may thru 31 oct in areas bound by: a. 51-27.95N 143-26.72E, 51-29.25N 143-45.52E,…Surveys · 25.7 nm
- Wave rider buoy established in 51-22.54N 144-14.17ENav aids · 40.9 nm
- Underwater operations 25 may thru 31 dec in area bound by 51-34.92N 143-24.27E, 51-34.90N 144-06.22E,…Surveys · 47.5 nm
Worldwide in the collected sources
21 other warnings listed in force · see all
Record snapshot 2026-10-03 22:35Z; source collection times vary.
Other
Everything the classifier did not place elsewhere. All current other warnings →
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.