26-2066
PAN PANArchivedReceived: 28 Oct 2026, 15:00Archived: 29 Oct 2026, 16:21Updated: 31 Oct 2026, 16:25
analysis
No longer in forceEarthquake off northeastern Chiba - possible drifting objects and harbour damage
An earthquake (M 5.4) occurred near the northeastern district of Chiba Prefecture at 35-42N 140-42E on 28 Oct 1507Z. Dangerous drifting objects, changes of depth and possible damage to harbour facilities or navigational aids may have occurred. Vessels in the coastal area are advised to exercise caution and keep a sharp lookout. No end time is given.
Exercise caution in the coastal area; maintain a sharp lookout for drifting objects and for damaged harbour facilities or aids to navigation.
- Type
- Navigational hazard · severity moderate
- Feed
- Wrecks, obstructions and drifting objectsAll warnings of this kind on the map (contributors), or as an API feed: /api/v2/feeds/hazards/
- Location
- Northeastern district of Chiba Prefecture (coast area)
- Validity
- From 28 Oct 2026, 15:07 UTC
35-42N 140-42E, 281507Z OCT. MAGNITUDE 5.4. DANGEROUS DRIFTING OBJECTS, CHANGE OF DEPTH AND DAMAGE OF HARBOUR FACILITIES OR NAVIGATIONAL AIDS MAY OCCUR. - Hazards
- dangerous drifting objects, change of depth, damage to harbour facilities, damage to navigational aids
Coast stations for this area
- RCCMRCC KitakyushuJapan46 NM from the area
- RCCMRCC YokohamaJapan54 NM from the area
- RCCMRCC NagoyaJapan65 NM from the area
- DSCDSC Station ChoshiMRCC YokohamaJapanMMSI 004310301MF 150range 150 NM8 NM from the area
- DSCDSC Station Japan Coast GuardMRCC ShiogamaJapanMMSI 004310001HF46 NM from the area
- DSCDSC Station Japan Coast GuardMRCC MaizuruJapanMMSI 004310001HF46 NM from the area
- DSCDSC Station Japan Coast GuardMRCC OtaruJapanMMSI 004310001HF46 NM from the area
- DSCDSC Station Japan Coast GuardMRCC KagoshimaJapanMMSI 004310001HF46 NM from the area
Generated automatically from the warning text on 28 Oct 2026, 15:27 UTC. It can be wrong: the original warning below is the authoritative text.
Keywords
- Dangerous AreaDANGER
Message content
EARTHQUAKE INFORMATION.
NORTHEASTERN DISTRICT OF CHIBA
PREFECTURE,
35-42.00N 140-42.00E, 281507Z OCT.
MAGNITUDE 5.4.
DANGEROUS DRIFTING OBJECTS, CHANGE OF
DEPTH AND DAMAGE OF HARBOUR FACILITIES
OR NAVIGATIONAL AIDS MAY OCCUR.
VESSEL IN COAST AREA REQUESTED TO BE
CAUTION ADVISED.