Vít Kárník

Vít Kárník (5 October 1926 in Prague – 31 January 1994 in Prague) was a Czech geophysicist and seismologist. He and Wilhem Sponheuer developed the Medvedev–Sponheuer–Karnik scale (MSK-scale) for measurement of intensity of earthquakes with Sergei Medvedev and in scale described magnitude of epicentric points.

Moscow-Prague formula

$M_{\mathrm{S}}={\log }_{10}{\left(\frac{A}{T}\right)}_{\max }+\sigma \left(\mathrm{\Delta }\right)={\log }_{10}{\left(\frac{A}{T}\right)}_{\max }+1,66{\log }_{10}\mathrm{\Delta }+3,3$

max. depth 50Km

References

Template:CzechRepublic-scientist-stub