Heavy objects need to be placed in locations from where they are unlikely to fall, emergency numbers need to be on speed-dial, and building structures need to be carefully inspected by engineers in order for them to determine whether or not they are probable to collapse in the event of a seismic wave. Emergency services also need to be alert in the event of an earthquake, given that deaths often occur consequent to seismic waves as a result of the fact that emergency services are unable to mobilize in time.

4. Seismic waves travel throughout our planet and this makes it easy for seismometers to record them. Earthquakes can have more or less damaging effects, depending on the depth where they occur and on their magnitude. In particular situations, earthquakes can cause a lot of damage through the processes that they trigger. The 2011 Tohoku earthquake in Japan is one...
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