The Earth’s surface is in constant motion. Whether due to natural phenomena such as tectonic activity or volcanism, or because of human activities such as groundwater extraction or mining, the dynamism of the surface can have significant impacts on infrastructure and natural ecosystems. In recent years, increasing awareness of the potential risks related to ground motion has led to a demand for comprehensive and reliable information on these movements. The European Ground Motion Service (EGMS) was created in response to user needs voiced at the Copernicus User Forum. This product represents the bleeding edge of space-based remote sensing technology, using Synthetic Aperture Radar Interferometry (InSAR) data derived from Sentinel-1 to detect and measure ground movements across Europe with milimetre precision. The product is updated annually and can be used for a variety of applications; city, regional, or state authorities can use it to monitor the structural integrities of dams, bridges, railways, and buildings. It allows urban planners to make data-driven decisions about where to build new infrastructure by assessing the likelihood of natural hazards such as landslides or subsidence. Researchers can also use EGMS data to study the impacts of climate change, such as thawing permafrost and coastal subsidence. More info here: https://land.copernicus.eu/en/products/european-ground-motion-service https://sdi.eea.europa.eu/catalogue/srv/eng/catalog.search#/metadata/943e9cbb-f8ef-4378-966c-63eb761016a9 The EGMS Ortho exploits the information provided by ascending and descending orbits of the EGMS Calibrated to derive two further layers; one of purely vertical displacements (EGMS Ortho Vertical), the other of purely east-west displacements (EGMS Ortho East/West). Both layers are resampled to a 100 m grid, so that the final resolution is 100 by 100 m. This dataset is processed from the Copernicus EGMS vector dataset resulting in a raster mosaic of the mean velocity of the ground in Iceland between 2018 and 2022 in mm/year in the up and down direction and the east west direction. It has been reprojected to EPSG:3057 from EPSG:3035.

IS: Frummyndir notaðar til að búa til loftmyndagrunnkort Náttúrufræðistofnunar (https://gatt.lmi.is/geonetwork/srv/ice/catalog.search#/metadata/bd0e7245-2f62-4b2a-82c3-3e6e10b7f9ee). Myndir eru aðgengilegar sem 3-banda myndir (.tif, R,G,B) í upprunalegri upplausn (u.þ.b. 25 cm GSD) og innihalda grófa staðsetningu fyrir innflutning í GIS hugbúnað eða sambærilegt. Með því að hafa samband við Náttúrufræðistofnun er hægt að fá uppraunalegar myndir 12-bit myndir með 4 böndum (R-G-B-Innrautt) í JPG2000 skráarsniði (.jp2). Heimild: Náttúrufræðistofnun, 2025. Frummyndir Grunnkort Loftmynd NÁTT. Heiti myndar og dagsetning. Kort.gis.is. [Loftmynd]. EN: Source images used to create the Natural Science Institute of Iceland's Aerial Imagery basemap (https://gatt.lmi.is/geonetwork/srv/ice/catalog.search#/metadata/bd0e7245-2f62-4b2a-82c3-3e6e10b7f9ee). Images are available as 3-band RGB images (.tif, R,G,B) at native resolution (approx. 25 cm GSD) and contain rough geolocation for import to GIS software or similar. Upon request to Náttúrufræðistofnun it is possible to get original images in 12-bit, 4-band images (Red-Green-Blue-NIR) as JPG2000 images (.jp2). Please cite as: Náttúrufræðistofnun [Natural Science Institute of Iceland], 2025. Frummyndir Grunnkort Loftmynd NÁTT [Source Images for Aerial Basemap NÁTT]. Image name and date. Kort.gis.is. [Aerial Imagery].

IS: Innrautt grunnkort byggt á nær innrauðum loftmyndum í 25 x 25 cm upplausn. Áætluð nákvæmni er 50 cm eða betri. Grunnkortið sýnir ekki allt landið eins og staðan er núna en markmiðið er landsþekjandi grunnkort. Gögnin eru uppfærð einu sinni á ári eða oftar og eftir því sem nýjar loftmyndir berast. Heimild: Náttúrufræðistofnun, 2025. Grunnkort -- NIR Loftmynd. Dagsetning myndar. Kort.gis.is. [Loftmynd]. EN: False-color near infrared aerial imagery mosaic in 25 x 25 cm resolution. The expected positional accuracy is 50 cm or better. The base map does not show the entire country as it currently stands, but the goal is to have a nationwide base map. The data is updated once a year or more often and as new aerial imagery is received. Please cite as: Náttúrufræðistofnun [Natural Science Institute of Iceland], 2025. Grunnkort -- NIR Loftmynd [Basemap -- Aerial Imagery]. Image date. Kort.gis.is. [Imagery].

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IS: Grunnkort byggt á loftmyndum í 25 x 25 cm upplausn eða betri. Áætluð nákvæmni er 50 cm eða betri. Grunnkortið sýnir ekki allt landið eins og staðan er núna en markmiðið er landsþekjandi grunnkort. Gögnin eru uppfærð einu sinni á ári eða oftar og eftir því sem nýjar loftmyndir berast. Heimild: Náttúrufræðistofnun, 2025. Grunnkort -- Loftmynd. Dagsetning myndar. Kort.gis.is. [Loftmynd]. EN: Country-wide aerial imagery mosaic in 25 x 25 cm resolution or better. The expected positional accuracy is 50 cm or better. The base map does not show the entire country as it currently stands, but the goal is to have a nationwide base map. The data is updated once a year or more often and as new aerial imagery is received. Please cite as: Náttúrufræðistofnun [Natural Science Institute of Iceland], 2025. Grunnkort -- Loftmynd [Basemap -- Aerial Imagery]. Image date. Kort.gis.is. [Imagery].