Why is it important to measure a earthquake

Measuring earthquakes is important for a range of reasons. These include: to allow seismologists and other scientists to develop their understanding of earthquakes and their causes. to allow us to make meaningful comparisons between earthquakes to make planning and risk assessment more meaningful and effective.

Place the point of the compass on point b and draw an arc that intersects  be¯¯¯¯¯  , using    ab    as the width for the opening of the compass.  hope it

Answer they are produced by collision of tectonic plates;