MSGID: 1:317/3 6474e84a   
   PID: hpt/lnx 1.9.0-cur 2019-01-08   
   TID: hpt/lnx 1.9.0-cur 2019-01-08   
   May 29, 2023 - Iceberg A76A Breaks Up   
      
      Iceberg   
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      When it first calved from Antarctica’s Ronne Ice Shelf in May 2021,   
      Iceberg A-76 was the largest iceberg on the planet. Initially similar   
      in size to Spanish island of Majorca, the massive berg quickly split   
      into three smaller pieces. The largest of those pieces was a   
      rectangular-shaped tabular iceberg which was named A-76A.   
      
      By October 2022, A-76A had drifted nearly 1,200 miles (2,000 km)   
      northward and had entered the Drake Passage. The passage is a turbulent   
      body of water between South America’s Cape Horn and Antarctica’s South   
      Shetland Islands. Icebergs passing through the Drake Passage often are   
      carried quickly northward into warmer waters where they usually begin   
      to melt.   
      
      By April 28, 2023, the U.S. National Ice Center (USNIC) reported that a   
      large chunk of ice had split off of A-76A, and they named that new   
      iceberg A-76D. By mid-March, USNIC confirmed that additional breaks in   
      A-76A had resulted in the formation of four more new icebergs. These   
      icebergs, dubbed A-76E, A76-F, A76-G, A76-H, and A76-I, were first   
      spotted by Dr. Klaus Strübing, former director and professor at the   
      Federal Maritime and Hydrographic Agency of Germany (BSH), and Dr. Jan   
      Lieser of Australia’s Bureau of Meteorology. The new icebergs were   
      confirmed by USNIC Analysts using a MODIS image from May 12. First   
      signs of the calving event were visible on MODIS imagery as early as   
      May 8.   
      
      The Moderate Resolution Imaging Spectroradiometer (MODIS) on board   
      NASA’s Aqua satellite acquired a true-color image of the   
      highly-fragmented A-76A on May 19. The shattered A-76A is the longest   
      piece and located south of and just below the newly-calved bergs. The   
      tip of South Georgia Island can be seen in the northeast.   
      
      Image Facts   
      Satellite:  Aqua   
      Date Acquired: 5/19/2023   
      Resolutions:  1km (163.6 KB),  500m (435.6 KB),  250m (315.5   
      KB)   
      Bands Used: 1,4,3   
      Image Credit: MODIS Land Rapid Response Team, NASA GSFC   
      
      
      
   https://modis.gsfc.nasa.gov/gallery/individual.php?db_date=2023-05-29   
       
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