The study of earthquakes is calles

The study of earthquakes is calles seismology. Seismology studies yhe frequency type and size of earthquakes. Earthquakes are measured using observations by seismometers. The magnitude of an earthquake and its intensity ia recorded on a numerial scale known as richter scale. On this scale, 3 or less is hardly noticeable. Earthquakes with magnitude of more than 6.5 can cause heavy damage