There are so many causes of earthquakes on earth if you want to know. However, here I will only mention the general what causes earthquakes to you. As you know in school, there is two kind of earthquakes; they are volcanic and tectonics. However, it is not that simple that the earthquake only has two causes. Well, if you really want to know the causes. You can see and read all the paragraphs below that contain the explanation and information for you.
Here Are What Causes Earthquakes Recently
There is an earthquake that the effect is so deadly such as the earthquake that makes tsunami in the Asia recently. The disaster is scary and takes so many lives on earth. You know, the prime cause of every earthquake is an explosion somewhere. The explosion is so big that can cause the wave of vibration and energy that can destroy the buildings on earth. Then, generally, there are five things what causes earthquakes. First is the explosion underground. It can happen naturally or because of human did. Then, there is a volcanic eruption. The volcanic eruption can cause an earthquake. After that, the meteor that hit the ground can be the cause of earthquake as well. If you ever see a high building collapse; that thing can cause the earthquake too you know. The last thing that can be the cause of earthquake is something happen somewhere on earth.
So, those are the causes that can be the reason why earthquakes occur around you or some else place. Then, you know, tectonic plates moving van be the cause if an earthquake as well. The most famous tectonic plate that because the earthquake is Pacific plates that are crossed the Pacific Ocean. Thus, that is all what causes earthquakes that happen recently or a long time ago.