IntroductionEarthquake is the shaking of earth, which is the reason of rapid release of energy and often is due to fault slippage. The released energy from its source, which is named focus, is disseminated in all aspect. These waves is similar to waves generated from apiece stone fallen into water. Alike the waves in the water, the waves of earthquake will disseminate in the surface of the earth. As the waves outspread from the focus rapidly, some sensitive devices around the world will sense these waves and record them [1]. Earthquakes are categorized in different group according to their characteristics. Different types of earthquakes are:1. Tectonic earthquakes: Many of the earthquakes occurring in the world yearly are tectonic earthquake. The movement of tablets, which is the former of earth cortex, is the reason of this type of earthquake.2. Volcanic earthquakes: these kinds of earthquake occur in the places with volcanic mountain and are referred volcanic explosion, too.3. Collapse earthquakes: the collapse of caves and underground channel can cause shakes named Collapse earthquakes.
Induced earthquakes:As the reason of abrupt changes in sluices, these kinds of earthquake occur.
Explosions earthquakes:The military of industrial explosions is the main cause of these earthquakes. The magnitude, place and the time of occurrence are predictable.Measuring the earthquake is based on two approaches. One is based on device measurement and the other on is based on the influences that earthquake has on handiwork [2]. The intensity of earthquake is different in various places and will reduce by diffusing farther from focus, but the magnitude of earthquake is constant and is not dependent to the distance from focus, because it is directly pertain to the total released energy.
Earthquake magnitudeEarthquakes magnitude is used in order to measure earthquakes and obtain an evaluation criterion, which is in accordance to the range of fluctuation [3,4].
AbstractEarthquake is the most dangerous natural disaster in the whole era of human being life. Scientist efforts for predicting earthquake have no prolific result, so far. The earth complexity and geology structures are the main obstacles of these efforts. The importance of time at the occurrence of the earthquake has resulted in using powerful systems for real-time alarming and therefore lessening the casualties of the earthquake. In this paper we have designed a rapid earthquake alarm system and we have implemented it in parallel processing and continuous processing. We have tried to apply hardware intelligent agents for real-time and parallel processing of data and data fusion of sensors. By applying this technology, the performance of rapid earthquake alarm system will be improved. Through this improvement, the rapid and automated action of rapid earthquake alarm system can lead to reducing the effect of earthquake.
SeismologyIt has been centuries that scientists are researching about earthquakes. Nowadays great networks of seismographs are installed all around the w...