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.
The Great Chilean Earthquake of 1960 The Valdivia earthquake or Great Chilean Earthquake (Spanish: Gran terremoto de Valdivia) of May 22, 1960, is to date the most powerful ea â¦ rthquake ever recorded, rating 9.5 on the Moment Magnitude scale.he destruction was massive, but, luckily, only 125 lives were lost as a result of the earthquake (15) and ensuing tsunami (110). The strongest earthquake ever recorded is the 1960 Valdivia Earthquake that occurred in Chile. This had a magnitude of 9.5.