Debris

Earthquake with magnitude of 7.1 has occurred off noto hanto (37-30N 137-15W) at 250042Z mar

North Pacific Ocean · HYDROPAC 547/07

What this record establishes

Archived notice · 2007-03-28 19:20Z

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) · NAVAREA XI 113/07 26 MAR 07.. Issued 2007-03-25 19:02Z. 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 37.500, -137.250. 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

These messages are connected by recorded cancellation references. The links establish relationships between notices; they do not by themselves confirm a single object, a continuous track, or recovery.

  1. HYDROPAC 540/072007-03-25 · Archived notice
  2. HYDROPAC 547/07 · this notice2007-03-25 · Archived notice
Compare all 2 notices, changes and original texts →

Current notices and reporting history in the North Pacific Ocean →

issued
2007-03-25 19:02Z
status
Archived notice
authority
NAVAREA XI 113/07 26 MAR 07.
NAVAREA
NAVAREA XI · named as the source of this relay
sea
North Pacific Ocean
position
37.500, -137.250
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. EARTHQUAKE WITH MAGNITUDE OF 7.1 HAS OCCURRED
   OFF NOTO HANTO (37-30N 137-15W) AT 250042Z MAR.
   DRIFTING OBJECTS, CHANGE OF DEPTH AND DAMAGE
   TO HARBOR FACILITIES OR NAVIGATIONAL AIDS MAY OCCUR.
   VESSELS IN VICINITY ARE ADVISED TO USE CAUTION.
2. CANCEL HYDROPAC 540/07.

Reading this warning

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.
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.
Adrift
Loose and moving with wind and current — a vessel, container, buoy, log or anything else no longer secured.
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.

All warning terms →

Collected reports in this area · drifting objects

2 within 180 nm since 2003 · 0 in the last 12 months · 0 listed in force now

03
05
07

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

J
F
M
A
M
J
J
A
S
O
N
D

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

3 drifting objects listed in force · see all

Record snapshot 2026-09-29 21:33Z; source collection times vary.

Debris

Logs, buoys, mooring gear and other objects adrift. All current drifting objects →

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.