Icebergs - NASA Earthdata
Nov 21, 2025 · NASA's iceberg data includes current and historical measurements useful for mapping icebergs, glaciers that calve them, and their characteristics.
Iceberg A23a in the Southern Ocean, Antarctica - Earthdata
Feb 27, 2024 · Iceberg A23a calved from the Filchner–Ronne Ice Shelf (on the northwestern side of Antarctica) in 1986 and had been stuck in the Weddell Sea off the coast of West Antarctica …
Glacier Power: What is Glacial Calving? - NASA Earthdata
Nov 19, 2025 · Glacier Power: What is Glacial Calving? When a piece of a glacier breaks off, it's called calving, and results in an iceberg.
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 …
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 …
Glacier Power: Why is Glacier Ice Blue? - NASA Earthdata
Nov 21, 2025 · 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!
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.
Glacier Power: How do Glaciers Form? - NASA Earthdata
Nov 21, 2025 · From Snowflakes to Rivers of Ice Glaciers are massive and incredibly powerful, but they begin with small snowflakes. Imagine how many snowflakes make a glacier as snow …
Swirling Iceberg A76A in the Drake Passage - NASA Earthdata
Dec 4, 2022 · Animation starting November 20 and ending December 4, 2022, of Iceberg A76A swirling in the Drake Passage. A76A was part of the A76 iceberg that calved from the Ronne …
Glacier Power: Teacher's Guide for Segment Review Questions
Nov 21, 2025 · Find answers to segment review questions included in Glacier Power chapters.