Seismology, scientific discipline that is concerned with the study of earthquakes and of the propagation of seismic waves within the Earth.

What do we study in seismology?

Seismology is the scientific study of earthquakes and related phenomena, such as volcanic eruptions. ... Seismologists also apply what they learn from studying the Earth's structure and other geological events, such as tsunamis, for commercial and other purposes, such as detecting nuclear explosions.

What is the science or study of earthquakes and their phenomena?

Seismology (/saɪzˈmɒlədʒi, saɪs-/; from Ancient Greek σεισμός (seismós) meaning "earthquake" and -λογία (-logía) meaning "study of") is the scientific study of earthquakes and the propagation of elastic waves through the Earth or through other planet-like bodies.