Earthquake in San Diego

Earthquake is also known as tremor. It is caused by sudden release of the energy in the earth’s crust. Due to this, seismic waves are created. For the measurement of the seismic waves, seismometer or seismograph is used. If the seismometer measures 3 seismic waves then the earthquake is very slight gradual. If the magnitude is about 7 then it causes a lot of damage to people and many lives are lost due to this. When a dangerous earthquake is located in the offshore, the seabed suffers displacement and due to this tsunami is caused. Earthquake is mostly caused by the breaking down of geological faults. Sometimes it is also caused by nuclear experiments, volcanic activity, landslides. The point from which the earthquake starts is known as focus or hypo center. The epicenter is the point at the ground level which is directly above the hypo center.

Saint Didacus was an ancient and Spanish name of San Diego. It’s population is 3,001,072. The area of San Diego has been inhabited by the Kumeyaay Indians. San Diego’s economy is largely composed of agriculture, biotechnology/ bio sciences, computer sciences, electronics manufacturing, defense-related manufacturing, financial and business services, ship-repair and construction, software development, telecommunications and tourism.

On May, 18, 2009 an earthquake occurred in San Diego. The magnitude 4.0 earthquake occurred about 23 miles west, of the Mission Beach area, of San Diego at 7:34 am. Earthquakes are actually fore shocks and a large earthquake may occur. Fortunately, in the San Diego earthquake, there were no reports of damage or loss of life or any injuries. But according to the authorities, they were receiving numerous calls about the earthquake there. But for sometime the reason for the shaking of Earth’s crust wasn’t found. There were not much injuries there, because the shaking was slow and light. Many people felt that earthquake, but fortunately, it was at a low speed.