While there he developed an interest in geodesy, particularly seismology.
en.wikipedia.org Research in natural sciences includes geodesy, glaciology, limnology, geomagnetism, geology, biology, meteorology, seismology, and other areas of expertise.
en.wikipedia.org Much of the increased activity and interest in hydrography, geodesy, seismology, and terrestrial magnetism may be traced directly to his influence.
en.wikipedia.org His interests included mathematics, spectroscopy, geodesy, and astrophysics.
en.wikipedia.org To build a three-dimensional measuring network, geodesy needs exactly defined target points, more so than a precise time.
en.wikipedia.org