earthquake

The earthquake is one of three endogenous natural processes that shape the earth's surface. Earthquake or seisme is berguncangnya event due to the movement of the earth's surface of the earth suddenly as a result of the release of energy of the earth. The shock comes from the inner layers of the earth.

Types of earthquakes
By contributing factor
a. Tectonic earthquake, was an earthquake that occurred because of events such as tectonic movement along faults or cracks in the earth's crust. In this event, the crust is along the side of the fault moves past the fault other areas.
b. Volcanic earthquakes, usually occurs in the area around the volcano. Volcanic earthquakes caused by volcanoes or fissures in the structure of the volcano. Seismic event is closely related to the movement of magma towards the surface of the earth. Volcanic earthquakes and volcanic eruptions occur before the signs before a volcano will erupt.
c. Earthquake debris, occurred because the collapse of rock or soil mass. As the roof cave in the rocky limestone. The quake rubble limestone occurs in areas with high rainfall resulting in limestone jenus water and eventually collapse.

According to the epicenter or hiposentrum
a. Shallow earthquake, was an earthquake that occurred when the earthquake center (hiposentrumnya) is at a depth of less than 100 km below the earth's surface.
b. Medium earthquake, the earthquake is an earthquake center (hiposentrumnya) located at depths between 100 km and 300 km below the earth's surface.
c. Earthquakes in, was the earthquake which occurred when the earthquake center (hiposentrumnya) is at a depth of more than 300 km below the earth's surface.

based on the intensity
a. Makroseisme earthquake, an earthquake of great intensity.
b. Mikroseisme earthquake, an earthquake with a little intensity.