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causes of earthquake in points

The outermost layer of the earth is not in a single piece but is broken into number of plates known as lithospheric plates or tectonic plates. It is believed that it was triggered by the construction of the Zipping Dam nearby. Compression in the earth’s crust Listen for public service announcements; a battery-powered radio is ideal for your emergency kit. Take shelter under a table and stay there till the shaking stops.2. These are smaller earthquakes that happen in the same place before the larger earthquake follows. Related: Whatever Happened to the Richter Scale? The Richter scale, named after Dr. Charles F. Richter, is the scale used for measuring the strength of an earthquake, in terms of the amplitude of its seismic waves. We often hear about the earthquake in news only once in a while, even though earthquake occurs all time, all over the earth. No geological process can actually come up with such a huge concentration of mass in such a small area except for a volcano. Read up:- It originate naturally at or below the surface of the earth. A large earthquake is often followed by aftershocks, which are smaller quakes that result from the crust adjusting to the main shock. Seismic Waves Expect after shocks. No HTML formatting and links to other web sites are allowed. Swiss Seismological Service "Every earthquake doesn't repeat exactly what happened before. Future US, Inc. 11 West 42nd Street, 15th Floor, What happens when it occurs? Energy from this separation radiates outward in all directions, including towards the surface, where it is felt as an earthquake. Major examples of such an earthquake were in Assam, India (1897 and 1950). The movements of these plates cause changes on the surface of the earth and can cause an earthquake. As a generalization, the severity of ground shaking increases as magnitude increases and decreases as distance from the causative fault increases. Example: - 2008 Sichuan, China earthquake- killed nearly 70,000 people. The largest earthquake ever recorded, the 1960 quake in Chile killed more than 1,600 people, with many of the deaths resulting from tsunamis. Tel: +41 44 633 21 79, Imprint | Disclaimer The movements of these plates cause changes on the surface of the earth. Such natural phenomenon include meteorological phenomenon like thunderstorm and cyclones and geological phenomenon like volcanic activity and earthquake. This point on the surface of earth is known as epicenter of the earthquake. Thank you for signing up to Live Science. An earthquake's magnitude is ranked on the moment magnitude scale, not the Richter scale. They are also investigating other potential clues like tilting of building and change in the earth's magnetic field.Measuring an earthquakeWe can realize that the destruction caused by an earthquake depends on many factors. When the waves reach the surface of the earth, they shake the ground and anything on it. Effects of an earthquakeEarthquake produces various damaging effect in the areas the act upon. [Japan Earthquake & Tsunami], Additional reporting by senior writer Becky Oskin. Earthquakes caused by plate tectonics are called tectonic quakes. This could be a result of the compression in the Earth’s crust. The Earth’s crust consists of seven large lithospheric plates and numerous smaller plates. Earthquakes are caused mostly by rupture of geological faults but also by other events such as volcanic activity, landslides, mine blasts, and nuclear tests. But before that one must know how an earthquake is caused. Major examples of such an earthquake were in Assam, India (1897 and 1950). (adsbygoogle = window.adsbygoogle || []).push({}); This can be one of the major causes. This could be a result of the compression in the Earth’s crust. Digital Marketing by SpiderWorks Technologies, Kochi - India.  | ©2020 ETH Zurich, Geothermal Energy and Induced Earthquakes, Special Projects & International Collaboration, Change at the Head of the Swiss Seismological Service. An earthquake with a magnitude of 10 has never been measured, but it would create widespread devastation. As at present, Scientist cannot predict accurately that a given earthquake is a foreshock and is likely to be followed by a larger earthquake. Groundwater extraction, An earthquake can be both a man-made and natural disaster. There was a problem. Stay away from damaged areas.6. And indeed, scientists had forecast a major earthquake in a seismic gap near Maule, Chile, which was hit by a magnitude-8.8 temblor in 2010. Absolutely no spam allowed. The earth shakes at this point. Natural events such as volcanic eruptions and meteor impacts can cause earthquakes, but the majority of naturally-occurring earthquakes are triggered by movement of the earth's plates. The shock waves travel outward from the epicenter. Earthquakes can also trigger tsunamis by unleashing underwater landslides, which also displace huge amounts of seawater. If you are outside, get into an open area, away from structures or bridges. Such preparation can make a difference not only physically, but also emotionally. Collapse quakes can be triggered by such phenomena as cave-ins, mostly in karst areas or close to mining facilities, as a result of subsidence. Normally, it's not the shaking ground itself that claims lives during an earthquake. Huge waves formed on the Mississippi, causing some portions of the river to appear to flow backward. This is a strictly moderated site. But before that one must know how an earthquake is caused. But i have a question that how sex and are the causes of earthquake. An earthquake occurs when the pressure built up along a fault becomes stronger than the pressure holding the rocks together. The tsunami also overwhelmed a nuclear reactor, creating new problems for people in the midst of destruction. Earthquakes are caused by a sudden release of stress along faults in the earth's crust. Although animals are reputed to have a sixth sense when it comes to these vibrations, no research has confirmed it, much less determined how such predictions might occur. We all know that a natural phenomenon is a non-artificial event, an event not produced by humans. © This cause a tension to build up in the plates. Ground shaking is a term used to describe the vibration of the ground during an earthquake. There are several types of earthquake waves including primary waves and also secondary waves. While an earthquake occurs only for a few … At the fault, that origin is called the hypocenter; on the surface, the epicenter. If you are at or near the beach, move quickly inland to avoid potential waves from tsunamis. Example: - 2008 Sichuan, China earthquake- killed nearly 70,000 people. The vibration at the point. It is, therefore, important that we identify the potential hazards before hand and take necessary precautions to protect ourselves as best as we can. Consequently, they are usually only felt in the vicinity of the hypocentre. This is because the vast majority of these quakes are very week. Stay calm for a while. As the motion continues, the strain builds up to the point where the rock cannot withstand any more bending. Waves reached 38 feet (11.5 meters) and carried debris as far as 2 miles (3.2 kilometers) inland. The Malaysian government on Wednesday canceled New Year celebrations nationwide, urging people to pray this weekend that the country will be spared from future disasters such as the recent tsunamis that killed at least 65 Malaysians. Sonneggstrasse 5 [Scary Scenario: Devastating Earthquake Visualized]. The collision or the slipping of the tectonic plates causes vibrations in the earth due to rapid release of energy. You can determine the size or magnitude of earthquakes by measuring the actual amplitude of the seismic waves which gets recorded on a seismograph. Sometimes there is a big earthquakes, sometimes there are two or three together," he told Live Science. An earthquake's point of initial rupture is called its hypocenter or focus. 2. "There have been some very successful forecasts based on the seismic gap theory," Wdowinski said.

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