Spontaneous Osteonecrosis of the Knee - SONK. Also known as: Ahlbackâs disease. A condition of unknown aetiology characterized by the development of an area of osteonecrosis on the weight-bearing surface of the medial femoral condyle.
Friday 8 November 2013 09.16 EST First published on Friday 8 November 2013 09.16 EST. When 33 Chilean miners were hauled to the surface after 69 days trapped in a collapsed copper mine in 2010, more than a billion people around the world tuned in to watch as the rescue was broadcast live on television.
1. Great Chilean Earthquake - 9.5 magnitude The strongest earthquake ever recorded (9.5 magnitude) struck off the coast of Chile on May 22, 1960, causing tsunamis over 10 meters high, that traveled as far as Hawaii, Japan, and New Zealand, killing 4,000-5,000 and leaving over 2,000,000 people homeless.. Great Chilean Earthquake - 9.5 magnitude The strongest earthquake ever recorded (9.5 magnitude) struck off the coast of Chile on May 22, 1960, causing tsunamis over 10 meters high, that traveled as far as Hawaii, Japan, and New Zealand, killing 4,000-5,000 and leaving over 2,000,000 people homeless.