Ushibuka Ōshima Lighthouse
Location & Light Range
About Ushibuka Ōshima Lighthouse
This lighthouse stands on a forested island approximately 4 kilometers west of the Ushibuka west harbor entrance. The structure consists of a 10-meter white concrete post situated atop a square, one-story concrete equipment shelter. Its light emits a single white flash every five seconds. The focal height of the light is 69 meters, providing a geographic range of 21.3 nautical miles. The lighthouse is located within Kumamoto Prefecture on the island of Ōshima, near the city of Amakusa.
Why it matters: The Ushibuka Ōshima light serves as a key navigational reference for vessels approaching the Ushibuka west harbor. Its beam assists mariners in identifying the harbor entrance and navigating safely around the island's coastline.
Light & Optic
- Flash Type
- Flashing
- Light Color
- White
- Interval
- 5s
- Raw Code
- Fl W 5s
- Focal Height
- 69m
- Geographic Range
- 21.3NM
Location
- City
- Amakusa
- Country
- 🇯🇵Japan
- Region
- Kumamoto Prefecture
- Sea Region
- Located atop a forested island about 4 km west of the Ushibuka west harbor entrance.
- Latitude
- 32.1837°
- Longitude
- 129.9678°
Nearby Vessels
Tower & Structure
- Tower Height
- 10m
- Tower Shape
- post
- Tower Color
- white
- Material
- concrete
Structure: A 10m white concrete post rising from a square 1-story concrete equipment shelter.
References & Identifiers
- Nearest Port
- Ushibuka(3.5 km)
- Admiralty No.
- M5143.6
- NGA No.
- 11340
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