Between 1910 and 1922 , Pigot travelled to Bruny Island Tasmania , Tonga and Goondiwindi , Queensland to observe total solar eclipses ; he also visited several observatories in Europe and North America . He made measurements of tides , deflection of the Earth 's crust and undertook experiments with a foucault pendulum . He observed a major earthquake on 1 September 1923 with a visiting Japanese seismologist , Fusakichi Omori . This quake , destroyed Tokyo
This quake
1923 Great Kantō earthquake
Edward Pigot