The generation of inertia forces in a structure is one of the seismic influences that detrimentally affect the structure. The effects from earthquakes include ground shaking, surface faulting, ground failure, and less commonly, tsunamis. Many people lose their money and property. This aerial photograph of the San Fernando earthquake in Feb 1971 shows the extensive damage to the freeway bridge as the Earth's crust shook. Massive Destruction. It affects the mental health and emotional health of people. Damage done is chiefly in following respects: Loss of Property: Severe earthquakes reduce to rubble human structures ranging from huts to palaces and single storey to multi storey buildings. Effects of Earthquakes Surface trembling from seismic waves often damages buildings. Ground Shaking . P waves propagate through the Earth with a speed of about 15,000 miles per hour and are the first waves to cause vibration of a building. During an earthquake, different seismic waves are produced either horizontal or vertical. At the same time, underlying cables are disturbed leading to disruption of communication systems. Many building, hospitals, schools, etc are destroyed due to it. Gunn 1995-12-01 00:00:00 impact – the epicentre – while new health- A major earthquake causes massive destruction, high related needs may arise in the areas to which mortality, many casualties and protracted health problems. Positive and Negative Effects of Earthquakes ... Earthquakes can be especially deadly for developing areas because they often do not have stringent construction standards and technology that would protect people. The effects of an earthquake can be devastating. This makes the structure weak by making the joints lose and sometimes causes tilting and the collapse of a structure which may lead to loss of life and property. Roads and railway lines may be destroyed, affecting communication and rescue attempts. Earthquakes are less advantageous and more harmful to man.

Even pipelines laid under the ground and railway lines are damaged or displaced. A lot of people get killed and injured. v. Problems arise due to shortage of electricity.

The effects of an earthquake are very destructing for each and everything that exists on this earth including the natural environment of earth. The primary effects of earthquakes are ground shaking, ground rupture, landslides, tsunamis, and liquefaction. What are the Effects of Earthquake on Structures? The amount of damage an earthquake can cause depends greatly on the size of the earthquake. The best example of this type of damage is Koyana earthquake in 1970. Seismic waves cause the shaking of structures in all possible directions. An earthquake (also known as a quake, tremor or temblor) is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves.Earthquakes can range in size from those that are so weak that they cannot be felt to those violent enough to propel objects and people into the air, and wreak destruction across entire cities.