03-0416

PAN PAN

Earthquake near northeast Chiba Prefecture - vessels in coastal area cautioned

No longer in forceReceived 28 Oct 2026, 15:20 UTCArchived 29 Oct 2026, 15:23 UTC

Warning text

NATURAL 3RD RCG LOCAL WARNING NO.0416 EARTHQUAKE INFORMATION. EARTHQUAKE 3RD RCG LOCAL WARNING NO.416 290020 JST OCT. THE NORTHEAST PART OF CHIBA PREFECTURE EARTHQUAKE INFORMATION AT 290007 JST OCT, MAGNITUDE 5.4. DANGEROUS DRIFTING OBJECTS, CHANGE OF DEPTH AND DAMAGE OF HARBOUR FACILITIES AND NAVIGATIONAL AIDS MAY OCCUR, VESSELS IN COAST AREA REQUESTED TO BE CAUTIOUS.

Analysis

No longer in force

An earthquake of magnitude 5.4 was reported near the northeast part of Chiba Prefecture at 290007 JST (2026-10-28T15:07:00Z). Dangerous drifting objects, changes of depth and damage to harbour facilities and navigational aids may occur. Vessels in the coastal area are requested to exercise caution. No end time is given.

Exercise caution in the coastal area; navigate with caution and keep a sharp lookout for drifting objects and damaged aids to navigation.

Type: Navigational hazard · severity high
Feed: Wrecks, obstructions and drifting objectsAll warnings of this kind on the map, or as an API feed.
Location: Northeast part of Chiba Prefecture
Validity: From 28 Oct 2026, 15:20 UTC
3RD RCG LOCAL WARNING NO.416 290020 JST OCT. AT 290007 JST OCT, MAGNITUDE 5.4.
Hazards: earthquake effects, dangerous drifting objects, change of depth, damage to harbour facilities, damage to navigational aids
Reported: 28 Oct 2026, 15:07 UTC (3 days ago)

Contacts

3RD RCG · issuing authority

Worked out automatically from the warning text on 28 Oct 2026, 16:27 UTC. It can be wrong: the official warning text is the authority.

KeywordsDANGER

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