Nature · Washington · post-1980 rim and slopes
Mount St. Helens: terrain elevation and local relief
Mount St. Helens uses an approximately 2,532-meter surface estimate in EGM2008 from Copernicus GLO-30. The bounded terrain section has about 1,693 meters of local relief above its lowest sampled point. Published summit surveys are separate references.
≈ 2,532 m
Data-derived estimate- Measurement
- Highest sampled surface in the documented Copernicus terrain section · EGM2008
- Subject or version
- Washington · post-1980 rim and slopes
- In feet, rounded
- 8,306.8 ft (1 ft = 0.3048 m)
Add more subjects or change the units in the playground.
Terrain boundary, base and datum
- Vertical reference
- EGM2008. Published surveys are separate; no datum conversion is applied.
- Highest sampled surface
- 2531.9 m at 46.191389°, -122.195556°.
- Local base
- 838.6 m at 46.198333°, -122.123333°. Lowest sampled point within this bounded terrain section.
- Section bounds in WGS84-G1150
- West -122.265694°, east -122.123194°; south 46.159861°, north 46.222917°.
- View and scale
- Orthographic map section facing north. Equal horizontal and vertical map scales. Approximate grid spacing: 21.4 m east-west and 30.9 m north-south. Lower and surrounding terrain omitted.
produced using Copernicus WorldDEM-30 © DLR e.V. 2010-2014 and © Airbus Defence and Space GmbH 2014-2018 provided under COPERNICUS by the European Union and ESA; all rights reserved
A little more perspective
The current USGS volcano profile lists Mount St. Helens at 2,539 meters. A USGS EROS retrospective separately reports a July 1, 1980 rim measurement of 8,364 feet, approximately 2,549 meters, and supplies the identity coordinate used here. This Copernicus maximum is approximately 2,532 meters in EGM2008 on the post-collapse rim. It does not reconstruct the higher pre-1980 mountain or substitute the height of the crater’s lava dome.
The local-relief view subtracts the lowest sampled point in this section: 838.6 meters at 46.198333° latitude, -122.123333° longitude. This produces about 1,693 meters of relief within the stated boundary. It is not a universal mountain base, a route’s total ascent, or topographic prominence.
The rendered surface uses the public 2021 Copernicus release, primarily based on TanDEM-X observations from 2011–2015 with infill from other sources. It is a surface model rather than a current bare-earth survey. Neutral shading explains the geometry without claiming a snow season or photographic ground texture. No datum conversion or summit correction is applied.
Quick facts
Mount St. Helens uses an approximately 2,532-meter surface estimate in EGM2008 from Copernicus GLO-30. The bounded terrain section has about 1,693 meters of local relief above its lowest sampled point. Published summit surveys are separate references.
For a presentation or a research note, include the subject, the measurement definition, and the measurement used. A picture alone cannot explain those choices. The comparison guide explains how to export an image and its source notes together.
Sources and measurement notes
- U.S. Geological Survey: Mount St. Helens volcano profile
- USGS EROS, 2015: 35th anniversary, dated 1980 rim measurement
- Copernicus DEM: dataset definition, datums and attribution
- Public Copernicus GLO-30 release documentation
- Copernicus source terrain tile 1 (GeoTIFF)
The approximately 2,532-meter raster, 2,539-meter USGS profile and dated 1980 rim measurement are kept separate.
Source review recorded . Maintained by Ishan Karunaratne. Suggest a correction with a source and the exact measurement being compared.