Nature · Challenger Deep · 2020 grid section
Mariana Trench: depth and source profile
This 2020 Challenger Deep grid section reaches approximately 10,927 meters below the EGM96 geoid.
≈ 10,927 m
Data-derived estimate- Measurement
- Depth below EGM96 geoid · 100-meter grid
- Subject or version
- Challenger Deep · 2020 grid section
- In feet, rounded
- 35,850.9 ft (1 ft = 0.3048 m)
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A little more perspective
The section contains 401 unchanged cell-center depths at 100-meter spacing along one north–south UTM grid column. Its deepest cell is 10,927.36328125 meters below the EGM96 geoid, at 11.372528° N, 142.597819° E. The extra decimals preserve the stored grid value; they do not indicate centimeter survey accuracy. Both ends of the 40-kilometer section remain underwater, so the water-column rectangle does not represent coastlines.
The PD20MT01 acquisition report identifies WGS84 horizontal coordinates and the EGM96 geoid. No vertical datum transformation, interpolation or vertical exaggeration was applied. An independent analysis of June 2020 pressure measurements reports 10,935 ± 6 meters below mean sea level. That result uses a different measurement method and reference surface and is not used to stretch this raster.
Quick facts
This 2020 Challenger Deep grid section reaches approximately 10,927 meters below the EGM96 geoid.
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Sources and measurement notes
- NOAA NCEI: Pressure Drop PD20MT01 archived multibeam survey
- NOAA archive: 100-meter Mariana merged grid
- Acquisition and processing report, section C.3: EGM96 geoid
- Independent pressure analysis: Challenger Deep below mean sea level
Keep the source method and surface datum with this approximate depth.
Source review recorded . Maintained by Ishan Karunaratne. Suggest a correction with a source and the exact measurement being compared.