Photo review
Field photographs
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Model color relief
Colors distinguish relative surface relief in the model and are paired with hillshade. No validated elevation scale or tidal-datum tie is published here.
Site assets
Photos
GPS ledger
Coordinates and point heights
Each value belongs to one GPS row; it is not a single elevation for the site. The CSV distinguishes local-datum height from receiver altitude.
| ID | Lat | Lon | Point height | V. accuracy |
|---|---|---|---|---|
| GCP3 HS122 | -19.88852186031 | -157.689726534885 | 6.86 | 0.39386 |
| GCP3 | -19.8885180258067 | -157.689723817438 | 7.04 | 0.18013 |
| GCP3 | -19.88851759885 | -157.689723777652 | 7.06 | 0.12796 |
| GCP3 | -19.8885173501933 | -157.689724061785 | 7.17 | 0.10746 |
| HS122B | -19.8885096225533 | -157.689770958397 | 6.34 | 0.09454 |
| HS122C | -19.8885125964133 | -157.689965777322 | 5.96 | 0.08265 |
| HS122C | -19.8884674533817 | -157.690005868617 | 8.76 | 0.07323 |
| GCP12 | -19.8883167391583 | -157.689717148813 | 6.30 | 0.07515 |
| GCP4 | -19.888292141925 | -157.690001756658 | 7.30 | 0.07275 |
| GCP1 | -19.8885479817833 | -157.690221705403 | 6.60 | 0.0703 |
| HS122D | -19.888552674205 | -157.690248521845 | 4.87 | 0.068737 |
| GCP1 | -19.888383205275 | -157.689384450442 | 6.80 | 0.06433 |
| GCP8 | -19.8881729799767 | -157.689225037312 | 7.90 | 0.06396 |
| HS122A | -19.88831493152 | -157.689569990538 | 5.65 | 0.06168 |
| HS122F | -19.8883957727067 | -157.689581676658 | 2.23 | 0.061394 |
| HS122E | -19.8884135082583 | -157.689580216853 | 1.30 | 0.07531 |
| HS122 waterline modern shore | -19.88843037401 | -157.689587400267 | 0.26 | 0.06965 |
| MITIARO-20260609-HISEAS-366 | -19.8864497742483 | -157.691428526393 | 9.68 | 1.72595 |
| GCP 2 along road, rock and log | -19.8846346761783 | -157.693652290558 | 7.25 | 0.46324 |
| GCP 3 along road, after pine patch, little tree on bare ground | -19.8829396092283 | -157.695359274367 | 6.04 | 0.43868 |
| GCP 4 along road, before higher canopy, on driftwood right side of street | -19.8816704544317 | -157.696786099907 | 5.49 | 0.22348 |
| GCP 5th point along road, next to patch of palm trees, bent road | -19.8802879693 | -157.69866203813 | 3.51 | 1.39714 |
| HS122G | -19.8810313384733 | -157.697908765918 | 5.04 | 2.41406 |
Samples
Sample list
| Sample | Type | Time CKT | Position | Photos |
|---|---|---|---|---|
| HS122A | Fossilized coral | 2026-06-09 16:07 | -19.888315, -157.689570 5.654 m |
|
| HS122B | Fossilized coral | 2026-06-09 15:12 | -19.888510, -157.689771 6.336 m |
|
| HS122C | Fossilized coral | 2026-06-09 15:17 | -19.888513, -157.689966 5.956 m |
|
| HS122D | Fossilized coral | 2026-06-09 15:43 | -19.888553, -157.690249 4.870 m |
|
| HS122E | Fossilized coral | 2026-06-09 16:12 | -19.888414, -157.689580 1.300 m |
|
| HS122F | Fossilized coral | 2026-06-09 16:10 | -19.888396, -157.689582 2.226 m |
|
| HS122G | Fossilized coral | 2026-06-09 17:43 | -19.881031, -157.697909 5.043 m |
|
Raster data
Download site rasters
The map’s DEM layer is a hillshade visualization. These links provide the source elevation raster and orthophoto as GeoTIFFs for local analysis. The DEM uses the island-specific datum.
Raw DEM GeoTIFF
HS122_dem.tif · 2.5 GiB
EPSG:4326 · Float32 · 1 band
Download
Orthophoto GeoTIFF
HS122_orthophoto_rgba.tif · 3.4 GiB
EPSG:4326 · Byte · 4 bands
Download
SHA-256 checksums are included in the public manifest for reproducibility.
Topographic profiles pending
HS122 has photogrammetry map layers, but profile transects have not been defined yet.
Animated geology plate
HS122: Teunu
Mitiaro, Cook Islands
Surveyed 2026-06-09
HS122: Teunu
Explore spurs and grooves, coral samples for geochronology, and storm boulders above the coast.
Samples for U-Th geochronology
Field notes
Features are described from the Teunu field observations of 9 June 2026. The age relationship between near-sea-level material and older reef limestone remains unresolved. Sample positions derived only from survey references are approximate.
Stops
Explore further to begin the guided tour.