Václav Láska (mathematician)
Václav Jan Láska (1862–1943) was a Czech surveyor, astronomer, geophysicist, and mathematician. He was based mainly at Charles University, and was the founding director (1920-1933) of the State Institute of Geophysics, which later became the Institute of Geophysics of the Czech Academy of Sciences.
Láska's empirical rule
[edit]This empirical rule is one way how to approximate the distance from an earthquake's epicenter. The rule is most fitting for distance in the range of 2 − 10 Mm (thousand km). The epicentral distance in thousands of km is roughly equal to the difference between arrival times of S and P waves in minutes minus 1.
External links
[edit]- Charles University, Faculty of Mathematics and Physics, Department of Geophysics (in Czech)
- MacTutor Entry (in Czech)
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