NOAA S-57 chart cell

American Samoa Islands and Swains Island

US1EEZ3M

Usage band
Overview · code 1
Current edition
2.4
Features
70
S-57 layers
20
Published
Aug 28, 2020
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
9.82500° S
South
17.80737° S
West
174.27066° W
East
164.75873° W
Center
13.81618° S, 169.51469° W
Bounds area
265,575 sq nm
Feature density
0.0003 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
3.5
Smallest layer
1
Largest layer
20
Area sq km
910,898
Features per sq km
0.00008
  1. M_QUAL Data quality 20
  2. LNDARE Land area 6
  3. DEPARE Depth area 5
  4. MAGVAR Magnetic variation 5
  5. ADMARE 4
  6. CONZNE 4
  7. DEPCNT Depth contour 4
  8. CBLSUB 3
  9. LNDELV 3
  10. C_ASSO 2
  11. COALNE Coastline 2
  12. M_COVR Coverage 2
  13. OBSTRN Obstruction 2
  14. SOUNDG Sounding 2
  15. EXEZNE 1
  16. M_NPUB 1
  17. M_NSYS 1
  18. RESARE 1
  19. SBDARE Seabed area 1
  20. SEAARE Sea area 1

Nearby Chart Cells

Overview 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.

Editions

Edition Published Metadata
2.4 Aug 28, 2020 metadata.json