--- title: West Antarctica Melting Rate Has Tripled in Last Decade: NASA Study description: New study sheds light on the rates of melting ice, the biggest uncertainty in predicting sea levels canonical: https://time.com/3615498/west-antarctica-ice-melting-rate/ author: Jack Linshi article:opinion: false article:content_tier: free article:published_time: 2014-12-03T01:48:46.000Z article:modified_time: 2026-02-22T02:31:28.419Z article:section: Science og:title: Fastest-Melting Region of Antarctica Triples Rate in a Decade og:description: According to a new analysis by NASA and researchers in California og:url: https://time.com/3615498/west-antarctica-ice-melting-rate/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt1f166a84644ec9f0/69876c400b72e336cb6dc4ed/antarctica-ice-melt-nasa.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 og:image:width: 1500 og:image:height: 844 og:image:alt: Antarctica Ice Melt NASA og:type: article twitter:card: summary_large_image twitter:title: Fastest-Melting Region of Antarctica Triples Rate in a Decade twitter:description: According to a new analysis by NASA and researchers in California twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt1f166a84644ec9f0/69876c400b72e336cb6dc4ed/antarctica-ice-melt-nasa.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 ---  # Fastest-Melting Region of Antarctica Triples Rate in a Decade > Sponsored content. 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Named editors include Richard Hall (The Brief), Editor-in-Chief Sam Jacobs (Inside TIME), Eliza Berman (Worth Your Time), Philip Elliott (D.C. Brief), Justin Worland (Future Proof) and Harry Booth (In the Loop). Health Matters is written by TIME's health desk. #### How do I sign up for a TIME newsletter? Go to time.com/newsletters, choose the newsletters you want and enter your email address. There is no cost and no subscription requirement. ### Sources * TIME Newsletters: [time.com/newsletters](/c/time-nl-network-2026q3/newsletters?i=59931de1-f726-40d5-8103-361d2e1493b8&cr=time-nl-network-2026q3-v1)  by [Jack Linshi](https://time.com/author/jack-linshi/)  ## Jack Linshi Dec 3, 2014 1:48 AM UTC  Glaciers seen during NASA's Operation IceBridge research flight to West Antarctica on Oct. 29, 2014. Glaciers seen during NASA's Operation IceBridge research flight to West Antarctica on Oct. 29, 2014. NASA/Michael Studinger  by [Jack Linshi](https://time.com/author/jack-linshi/)  ## Jack Linshi Dec 3, 2014 1:48 AM UTC The fastest-melting region of Antarctica is doing so at a rate triple that of a decade ago, according to a [new analysis](http://www.jpl.nasa.gov/news/news.php?feature=4393), making it the largest area contributor to the rise in sea level. The findings of the 21-year study by scientists from NASA’s Jet Propulsion Laboratory and the University of California, Irvine offer the most precise estimates yet of just how fast glaciers in West Antarctica’s Amundsen Sea Embayment are melting. Scientists determined the rate by taking several radar, laser and satellite measurements of the glaciers’ mass to measure changes over time; between 1992 and 2013, they lost an average of 91.5 billion U.S. tons per year, or what they calculated as the equivalent of losing the water weight of Mt. Everest every two years. “We have an excellent observing network now,” Isabella Velicogna, a co-author of the study, said in the statement. “It’s critical that we maintain this network to continue monitoring the changes, because the changes are proceeding very fast.” The findings will provide a greater understanding of glaciers and ice sheets, which the researchers labeled the biggest uncertainties in predicting future sea levels. Previous studies have also examined Greenland, where NASA scientists have witnessed for years “[unprecedented](http://www.nasa.gov/topics/earth/features/greenland-melt.html)” melting of its ice sheet surfaces. ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/3615498/west-antarctica-ice-melting-rate/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/3615498/west-antarctica-ice-melting-rate/"},"headline":"Fastest-Melting Region of Antarctica Triples Rate in a Decade","datePublished":"2014-12-03T01:48:46.000Z","dateModified":"2026-02-22T02:31:28.419Z","description":"According to a new analysis by NASA and researchers in California","url":"https://time.com/3615498/west-antarctica-ice-melting-rate/","keywords":["Environment"],"thumbnailUrl":"https://static.time.com/v3/assets/bltea6093859af6183b/blt1f166a84644ec9f0/69876c400b72e336cb6dc4ed/antarctica-ice-melt-nasa.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","author":[{"@type":"Person","name":"Jack Linshi","jobTitle":null,"url":"https://time.com/author/jack-linshi/"}],"articleSection":"Science","image":[{"@type":"ImageObject","url":"https://static.time.com/v3/assets/bltea6093859af6183b/blt1f166a84644ec9f0/69876c400b72e336cb6dc4ed/antarctica-ice-melt-nasa.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","width":1200,"height":675,"headline":"Antarctica Ice Melt NASA","caption":"Antarctica Ice Melt NASA","creditText":"NASA/Michael Studinger","representativeOfPage":true}],"publisher":{"@type":"Organization","name":"Time","url":"https://time.com/","logo":{"@type":"ImageObject","url":"https://time.com/images/logo.png","width":528,"height":156},"foundingDate":"March 3, 1923","sameAs":["https://www.facebook.com/time","https://www.instagram.com/time/?hl=en","https://twitter.com/time","https://www.pinterest.com/timemagazine"]}},{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"https://time.com/section/science/","name":"Science"}},{"@type":"ListItem","position":2,"item":{"@id":"https://time.com/tag/environment/","name":"Environment"}},{"@type":"ListItem","position":3,"item":{"@id":"https://time.com/3615498/west-antarctica-ice-melting-rate/","name":"Fastest-Melting Region of Antarctica Triples Rate in a Decade"}}]}] ```