Usually, treatment of a lipoma is not necessary, unless the tumor becomes painful or restricts movement. They are usually removed for cosmetic reasons, if they grow very large, or for histopathology to check that they are not a more dangerous type of tumor such as a liposarcoma.
The world's largest earthquake with an instrumentally documented magnitude occurred on May 22, 1960 near Valdivia, in southern Chile. It was assigned a magnitude of 9.5 by the United States Geological Survey.
Fatalities: many, exact number unknown. Magnitude: 7.3-7.8. What: 3-4 very large crustal earthquakes in the central-eastern USA within a span of 2 months. Why: The quakes illustrate the danger of the New Madrid Seismic Zone and represent some of the largest earthquakes in US history.