NOAA S-57 chart cell
Islands of the Pacific Ocean - Agrihan Island, CNMI
US4GU2JH
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 123
- S-57 layers
- 18
- Published
- Jan 22, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 18.90000° N
- South
- 18.60000° N
- West
- 145.50000° E
- East
- 145.80000° E
- Center
- 18.75000° N, 145.65000° E
- Bounds area
- 307 sq nm
- Feature density
- 0.4004 / sq nm
Chart Statistics
18 largest layers shown
- Average features per layer
- 6.8
- Smallest layer
- 1
- Largest layer
- 51
- Area sq km
- 1,054
- Features per sq km
- 0.11673
- SBDARE Seabed area 51
- DEPCNT Depth contour 15
- LNDARE Land area 11
- OBSTRN Obstruction 10
- DEPARE Depth area 8
- M_QUAL Data quality 6
- SOUNDG Sounding 5
- UWTROC Underwater rock 4
- LNDELV 2
- M_NPUB 2
- TS_FEB 2
- ADMARE 1
- COALNE Coastline 1
- M_COVR Coverage 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- SEAARE Sea area 1
- TESARE 1
Nearby Chart Cells
Approach usage band
Current Edition Files
The NOAA ZIP archive is the upstream source for this chart cell; the other files are Open Ships generated derivatives for web and GIS use.
- Original NOAA ZIP archive https://www.charts.noaa.gov/ENCs/US4GU2JH.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4GU2JH/1.0/US4GU2JH.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4GU2JH/1.0/US4GU2JH.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4GU2JH/1.0/US4GU2JH.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4GU2JH/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jan 22, 2026 | metadata.json |