Icebergs - NASA Earthdata
Apr 17, 2026 · NASA's iceberg data includes current and historical measurements useful for mapping icebergs, glaciers that calve them, and their characteristics.
Glacier Power: What is Glacial Calving? - NASA Earthdata
Apr 17, 2026 · When a piece of a glacier breaks off, it's called calving, and results in an iceberg.
Iceberg A23A in the Southern Ocean, Antarctica - Earthdata
Feb 27, 2024 · Iceberg A23A calved from East Antarctica's Filchner–Ronne Ice Shelf in 1986 and had been stuck in the Weddell Sea off the coast of West Antarctica until it started moving again in 2020.
Iceberg A23A Moving Toward South Georgia Island, Antarctica
Jan 14, 2025 · The animation above shows a series of true-color corrected reflectance images from the Moderate Resolution Imaging Spectroradiometer (MODIS) instrument aboard the Terra platform of …
Antarctic Iceberg A23A Continues to Crumble | NASA Earthdata
Aug 21, 2025 · NASA's true-color corrected reflectance image of Iceberg A23A and iceberg A23F was captured on August 17, 2025, from the MODIS instrument aboard the Aqua satellite.
Disappearing Iceberg A23A - NASA Earthdata
Jan 13, 2026 · Iceberg A23A calved from East Antarctica's Filchner–Ronne Ice Shelf in 1986. Forty years later, it is finally disappearing, and rapidly. This true-color corrected reflectance image …
Iceberg A23A Grounded Near South Georgia Island - Earthdata
Mar 4, 2025 · Iceberg A23A was captured in this false-color corrected reflectance (Bands 7-2-1) image from the Moderate Resolution Imaging Spectroradiometer (MODIS) aboard the Aqua platform on …
Cryosphere - NASA Earthdata
Feb 9, 2026 · NASA has data on sea ice, glaciers, snow cover, and other frozen features that comprise Earth’s cryosphere and effect human activity and our planet.
Glacier Power: Why is Glacier Ice Blue? | NASA Earthdata
Apr 17, 2026 · Glacial ice is a different color from regular ice. It is so blue because the dense ice of the glacier absorbs every other color of the spectrum except blue — so blue is what we see! It’s Not Just …
Glacier Power: What are Crevasses? - NASA Earthdata
2 days ago · Crevasses: Vocabulary Plus crevasse bergschrund longitudinal marginal transverse radial terminus shear accumulation zone Review Questions (some of the answers may come from the …