Debris

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

HYDROPAC 547/07

issued: 2007-03-25 19:02Z
status: cancelled 2007-03-28 19:20Z (archive)
cancels: HYDROPAC 540/07
authority: NAVAREA XI 113/07 26 MAR 07.
position: 37.500, -137.250
source: nga_json · 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.

This area · drifting objects

1 within 180 nm since 2007 · 0 in the last 12 months · 0 in force now

Season · when drifting objects happen here

month of issue, all years in the archive

Timeline

Earthquake with magnitude of 7.1 has occurred at 250047Z marcancels · 2007-03-25
Earthquake with magnitude of 7.1 has occurred at 250047Z marreplaced · 2007-03-25
HYDROPAC messages in force 280800Z mar 2007cancelled by · 2007-03-28

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

4 drifting objects in force · see all

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.