Hard drives are extremely sensitive devices. They have a lot of components that are installed. These parts are the main 'foundation' that our systems are running. An error in one part may cause permanent damage to data stored on our systems or for worse, can cause permanent loss of the same. Most users today are cautious and take all necessary precautions to ensure that the hard drive is healthy and in perfect condition. Simple precautions to make sure the heat and dust, or not leaking into the system, etc. all help to ensure that information on your computer remains safe. Although the transition from one place to another system, we are concerned to ensure that it does not shake or fall down and damaged in the process. You get a technician to repair any part that makes the sound on your hard drive.
Nature, however, still have the upper hand on technology. We can take all the precautions we can possibly imagine and yet, when nature unleashed in all its anger, we have no control over that! When an earthquake occurs, for example, one can only hope that the data in their systems are all safe.
Large earthquakes can also cause significant damage. When concrete can not resist lucky to escape without injury, it is unlikely that a desktop or laptop would be. Hard drives tend to break at the time of major earthquakes that cause damage to your hard disk.
Slight earthquake causes minor damage, or if some people think. The damage could be enormous, but the experts would be able to tell. For you and me, it would be very small. As the reader is composed of many small parts, each of which could be affected seriously, and we may not even know. There may be several 'internal injuries', to the hard drive. Due to hard vibrations during earthquakes, the engine failed, the head can be broken, etc. None of these accidents are visible to us. Only those with experience can give us a diagnosis the situation accurately.
After an earthquake, you should consult with data recovery services and asked them to diagnose the problems we are facing. When the unit is broken or because of internal damage, you lose the data stored in the system, these companies also have hard drive recovery services that can retrieve this data.