microseismometry
(maɪkrəʊsaɪzˈmɒmɪtrɪ)
[f. microseism + -ometry.]
The art or process of measuring slight earth tremors.
| 1889 Nature 7 Feb. 338/1 The account that is given of the labours of Italian observers in the field of microseismometry is meagre and unsatisfactory. |