初二关于地震的英语作文.doc

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当地震来临的时候英语作文(优秀7篇)

当地震来临的时候英语作文(优秀7篇)

当地震来临的时候英语作文(优秀7篇)关于地震初二英语作文篇一An earthquake is a shaking of the ground caused by the sudden breaking and shifting of large sections of Earth#39;s rocky outer shell. Earthquakes are among the most powerful events on earth, and their results can be terrifying. A severe earthquake may release energy 10,000 times as great as that of the first atomic bomb. Rock movements during an earthquake can make rivers change their course. Earthquakes can trigger landslides that cause great damage and loss of life. Large earthquakes beneath the ocean can create a series of huge, destructive waves called tsunamis (pronounced tsoo NAH meez) that flood coasts for many miles.Earthquakes almost never kill people directly. Instead, many deaths and injuries in earthquakes result from falling objects and the collapse of buildings, bridges, and other structures. Fire resulting from broken gas or power lines is another major danger during a quake. Spills of hazardous chemicals are also a concern during an earthquake.The force of an earthquake depends on how much rock breaks and how far it shifts. Powerful earthquakes can shake firm ground violently for great distances. During minor earthquakes, the vibration may be no greater than the vibration caused by a passing truck.On average, a powerful earthquake occurs less than once every two years. At least 40 moderate earthquakes cause damage somewhere in the world each year. About 40,000 to 50,000 small earthquakes--large enough to be felt but not damaging--occur annually.地震的英语作文篇二At 2 PM on May 12, 2008, 28 points, we are at the noon hour and are prepared wake up, all of a sudden, the alarm bells, teachers hurriedly picked us under floor, because, we still asleep, holding we all go on, began to take clothes.。

关于地震的英语作文(精选5篇)

关于地震的英语作文(精选5篇)

地震的英语作文关于地震的英语作文(精选5篇)在日常学习、工作或生活中,大家都写过作文吧,作文是通过文字来表达一个主题意义的记叙方法。

作文的注意事项有许多,你确定会写吗?以下是小编帮大家整理的在平凡的学习、工作、生活中,大家对作文都再熟悉不过了吧,根据写作命题的特点,作文可以分为命题作文和非命题作文.那么你知道一篇好的作文该怎么写吗?下面是小编收集整理的关于地震的英语作文(精选5篇),供大家参考借鉴,希望可以帮助到有需要的朋友.,欢迎大家借鉴与参考,希望对大家有所帮助。

地震的`英语作文篇1If you have received possibly have the earthquake warning, continues to maintain listens to the local broadcasting station newest report and the suggestion, like the suggestion switches off the liquid gas, the power source. Greatly but the heavy object from high will put on to take away. The jar, the glass, the chinaware and other brittle things admit in the low cabinet, the baggage shelf should have keeps off the hand by to prevent the object whereabouts. The cabinet gate should shut tightly, moves away to be hanging the object. Belowprepares the goods by to prepare urgently needs: Fresh fresh water and emergency food, flashlight, fire extinguisher. Is far away these possibly to fall is pounding your thing, possibly can eradicate in outdoors trees, in the small town construction even if enough is sturdy cannot destroy, the chippings also possibly fall. Runs away spacious to place most ideal, but if does not have the enough time,stays is possibly safer in the room, on the avenue speech, the gas piping or the electric wire which bursts can increase the risk. Passesin and out the human is most dangerous, extremely easily iswounded by the building in bricks and stones.In room: When the earthquake occurs, if in the indoors, stays in inside, extinguishes the fire, is far away the glass is specially the big window (including mirror and so on). In the room quoin or has the good strut internal way is good seeking asylum place. Perhaps the low ground or the basement can provide the best survival opportunity. Hides in under the table bottom or other firm furniture, this not only can provide the protection to you, moreover also has the big breath space. When store, is far away the big cargo exhibition hall, thesecargos possibly can drop down. Also is loaded with the elevator in the multilayered building in the office, in-situ hides in the desk bottom. Do not enter the elevator, the staircase also possibly can crowd the panic-stricken people. .Che Zhong: As far as possible quickly and safely stops - but stays in the vehicle may avoid hit by the whereabouts object. Crouches in hiding under the seat, if has the thing to fall on the vehicle, you will be able to obtain the protection. When vibrates stops down, the attention observation obstacle and possibly appears danger: Destroyed the electric cable, damages the path and collapses bridge.Outdoors: When outdoors lie in the ground, do not have to run. This can throw down, also possibly is embezzled by the crack. Is far away the big construction. T oward derground walk or do not enter the gallery, this can cause to be stranded. Like you already prepared to the outdoors, did not return to in the building. The earthquake causes any construction not too to be all reliable for the first time, if then again occurs slightly shakes, the building can cave in. Is safer to the summit. In the pitch earth stone is easy to fall, if crushes by the number thousand ton heavysoil block or the rock (they to have fearful speed), very little has the opportunity which fortunately survives. Rolls equally on the place like the ball changes the survival.Beach place: So long as under the cliff cannot the suitable security, but because the tsunami follows the earthquake but to come frequently, therefore after vibrates stops leaving the beach as soon as possible to the higher open field shift. The aftershock risk did not like the tsunami to be so fearful.地震的英语作文篇2An earthquake is a shaking of the ground caused by the sudden breaking and shifting of large sections of Earth s rocky outer shell. Earthquakes are among the most powerful events on earth, and their results can be terrifying. A severe earthquake may release energy 10,000 times as great as that of the first atomic bomb. Rock movements during an earthquake can make rivers change their course. Earthquakes can trigger landslides that cause great damage and loss of life. Large earthquakes beneath the ocean can create a series of huge, destructive waves called tsunamis that flood coasts for many miles.Earthquakes almost never kill people directly. Instead, many deaths and injuries in earthquakes result from falling objects and the collapse of buildings, bridges, and other structures. Fire resulting from broken gas or power lines is another major danger during a quake. Spills of hazardous chemicals are also a concern during an earthquake.The force of an earthquake depends on how much rock breaks and how far it shifts. Powerful earthquakes can shake firm ground violently for great distances. During minor earthquakes, the vibration may be no greater than the vibration caused by a passing truck.On average, a powerful earthquake occurs less than once every two years. At least 40 moderate earthquakes cause damage somewhere in the world each year. About 40,000 to 50,000 small earthquakes--large enough to be felt but not damaging--occur annually.地震的英语作文篇3Strong earthquake damage so large, to show once again brought out. In the vicinity of the epicenter, and in some cities and villages, many houses collapsed and damaged roads, telecommunications disruption, many schools and hospitals have become ruins. Human vibrant homes, Zhuanshun between appalling.This is a natural disaster caused by difficult to avoid the tragedy, it is sad. And this kind of tragedy, and in fact the long history of human companions, Ruyingsuixing. Far not said that the 1976 Tangshan earthquake, despite the past 32 years but has remained a matter of fear. In 1998 the major flood disaster in 2003, the atypical pneumonia crisis, the end of 2004 Indian Ocean tsunami and the recent tropical storm in Myanmar, have caused a large number of casualties and property losses. Human nature is no stranger to disaster, but when Wenchuan earthquake and the plain reality of the time, the natural power of human beings before the fragile, exposed completely.Wenchuan earthquake, the people to disaster areas has caused tremendous physical and mental suffering, but also makes the map as a small region, the people throughout the country the most about the place. As a so-called human life, compatriots suffering in some of the time, the country’s grief out of the full performance. The international community has also expressed concern about the rapid and condolences.When a major earthquake has occurred, and aftershocks continued, the key word at this time only a matter of fact the word save and assistance. In a sense, the assistance is also save an integral part. There is no doubt that relief has become China’s current government and the people most important task.Disaster relief to save what ? This seems to be without a thought. But in fact, the true meaning of disaster relief must be clarified. The primary task of relief, when in order to save lives. Compared with the life, property loss and post-disaster reconstruction and so has been relatively minor, or that include the rescue of property and the seismic reflection of the problem, should be moved back to save lives extremely important After that.In the earthquake disaster site to direct rescue of Premier Wen Jiabao said a word, as long as both hands, will be able to rebuild their homes - these words to the real interpretation of the true meaning of the disaster. In other words, this is also the Chinese government will as a primary task of saving the idea of the source. That is only one life, not to the other of alternative, the response must be to the fastest speed, with the GREatest efforts, even at the cost to take any means, at any cost, the disaster areas to save people’s lives.This means that the government-led rescue system should be the focus fell on the lives of the rescue. With the passage of time, the number of casualties will also continue to increase. Safety of the lives of tens of thousands of people, in fact, the most severe di saster order. As long as there’s hope that the front line, who must rescue efforts to hundredfold, from the ruins in search for possible survivors, from under collapsed buildings in a rescueevery life.It should be noted that not only rely on relief confidence, courage and a spirit of solidarity, but also rely on the professional rescue teams and technical configuration. Although available for disaster relief to everyone, but under certain conditions, relief is also a live technical, professional and strong, high-risk, large amount of labor. Can not fail to mention that Chinese soldiers once again played a steel wall role in the relief difficult conditions, the elite combat units in the affected areas to give full expression to the mighty army of glory. The young Chinese soldiers in the affected areas of the rescue scenario is indeed deeply felt the blood is thicker than water like fish and water deeply.Will save lives as the overriding priority, also means that aid must race against time, and death race. Those dying in the ruins of the life, is eagerly awaited relief. Time is life, meaning, at this point has been the most vivid expression. Early into the second relief to the affected areas, we can save a life back. In the epicenter of local traffic inconvenience or even interrupted the circumstances, Premier Wen Jiabao asked the rescue team is to walk as soon as possible into the most affected areas, highlighted the earthquake relief the importance of the concept of time.It should also be noted that the earthquake disaster relief is not just a matter of the Government. As the face of ever, a major natural disaster, the government’s influence, life-saving operations, but also relies on public and non-governmental organizations surmount. Including encouraging the spirit of the people of disaster areas, material support, including positive and practical actions, such as blood donation, both will have a positive effect rescue operations. Wenchuan after the earthquake, many enterprises and individuals, has begun an emergencydonation of property, to the most needed areas. Non-disaster areas the people’s blessings and encouragement, people have fully felt the warmth and firm national strength.No Valentine’s love of natural disasters. In a battle to save the lives of all people, the victory will come after a disaster test of the Chinese nation.地震的英语作文篇4August 23rd, 2010In order to help students deal with emergencies and save themselves, a lecture will be held in the lecture hall of our school at 8: 00 am on September 13th, 2010, Monday. The lecture is mainly about surviving in an earthquake, including the signs of a coming earthquake and the do’s and don’ts during and after an earthquake. The lecture will be given by Professor Wang, a famous geologist in China. After the lecture, there will be a video about earthquakes. Everybody is required to be present on time. Please listen attentively and take notes. After the lecture, we’ll have a discussion in groups.Students’ Union地震的英语作文篇5May 12th, 2008. That’s the mos t mournful day for our Chinese that will never be forgotten, because a horrible earthquake happened in Wenchuan, which caused tens of thousands of children’s death.On hearing the news, I felt so sorrowful. “Why was the god so cruel to them?” I asked. They were still at the entrance of the life. They seemed like little eagles that were willing to open their wings and hover in the sky. Maybe they would have their brilliant future. What a great loss to our nation! I had my deepest sympathy on the people in the disastrous area. So I donatedsome money and clothes to them. And I also prayed for the dead people sincerely. I eagerly hope that there would be no earthquakes in the future, so that we could live a more peaceful life.。

汶川大地震作文英文简单版八年级

汶川大地震作文英文简单版八年级

汶川大地震作文英文简单版八年级全文共3篇示例,供读者参考篇1The Wenchuan earthquake, also known as the Great Sichuan earthquake, was a devastating earthquake that struck China on May 12, 2008. The earthquake had a magnitude of 7.9 and caused widespread destruction in the Sichuan province, especially in the town of Wenchuan.The earthquake resulted in the deaths of nearly 70,000 people, with thousands more injured and millions left homeless. The earthquake also caused significant damage to infrastructure, including roads, buildings, and schools. One of the most heartbreaking aspects of the earthquake was the impact it had on children, as many schools collapsed, leading to the deaths of thousands of students.In the aftermath of the earthquake, there was an outpouring of support from both within China and from the international community. Rescue and relief efforts were quickly mobilized, with thousands of troops and volunteers working tirelessly tosearch for survivors, provide medical care, and distribute aid to those in need.The Wenchuan earthquake served as a wake-up call for China, highlighting the importance of disaster preparedness and the need for better building codes and infrastructure. The government responded by launching a massive reconstruction effort, rebuilding homes, schools, and other infrastructure to make them more resilient to future disasters.Today, the Sichuan province has largely recovered from the devastation of the Wenchuan earthquake, but the memory of the tragedy lingers on. The earthquake serves as a reminder of the fragility of life and the importance of coming together in times of crisis to support one another.篇2The Wenchuan Earthquake, also known as the Great Sichuan Earthquake, was a devastating earthquake that struck the Sichuan province of China on May 12, 2008. The earthquake measured 8.0 on the Richter scale and caused widespread destruction and loss of life.The earthquake's epicenter was located in Wenchuan County, which is approximately 80 kilometers northwest ofChengdu, the provincial capital. The earthquake caused buildings to collapse, roads to be blocked, and landslides to occur, making rescue and relief efforts difficult.The earthquake resulted in the deaths of nearly 70,000 people, with millions more injured or left homeless. The impact of the earthquake was felt not only in Sichuan province but also in neighboring provinces and even in some neighboring countries.In the aftermath of the earthquake, the Chinese government launched a massive relief and reconstruction effort. Thousands of soldiers and relief workers were deployed to the affected areas to help rescue survivors, provide medical assistance, and distribute food and supplies.The international community also responded to the disaster, with many countries offering aid and support. The United Nations and various humanitarian organizations also provided assistance to those affected by the earthquake.The Wenchuan Earthquake was a tragic event that had a profound impact on the people of China and the world. It served as a reminder of the power and devastation that can be caused by natural disasters, as well as the importance of preparedness and response efforts in the face of such events.篇3The Wenchuan Earthquake, also known as the Great Sichuan Earthquake, was a devastating earthquake that struck China on May 12, 2008. The earthquake measured 8.0 on the Richter scale and caused widespread destruction in the Sichuan province.The earthquake caused buildings to collapse, roads to be destroyed, and thousands of people lost their lives. The most affected area was the city of Wenchuan, which was near the epicenter of the earthquake. Many schools, homes, and businesses were completely destroyed, leaving thousands of people homeless and in need of assistance.The Chinese government quickly mobilized relief efforts to help those affected by the earthquake. Rescue teams were sent to search for survivors trapped under the rubble, and temporary shelters were set up to house those who had lost their homes. Aid workers from around the world also came to help with the recovery efforts.In the years following the earthquake, the Chinese government focused on rebuilding the affected areas and improving infrastructure to prevent future disasters. New schools, hospitals, and homes were built, and measures were put in placeto strengthen buildings and make them moreearthquake-resistant.The Wenchuan Earthquake was a tragic event that brought out the best in people, as communities came together to help those in need. It also highlighted the importance of being prepared for natural disasters and the importance of having strong infrastructure in place to minimize damage.Despite the devastation caused by the earthquake, the people of Sichuan province have shown resilience and strength in the face of adversity. The Wenchuan Earthquake will always be remembered as a tragedy, but also as a testament to the human spirit and the power of community coming together in times of crisis.。

[作文]关于地震的英语作文15篇

[作文]关于地震的英语作文15篇

[作文]关于地震的英语作文15篇关于地震的英语作文关于地震的英语作文(一):中文:地震是最严重的自然灾害之一。

它是由地球岩层的大板块突然断裂和移动而引起的地面晃动。

地震的后果相当严重。

2008年的汶川地震和2011年的日本地震是近几年来最严重的地震,造成了巨大的伤亡和财产损失。

但是地震几乎没有直接造成死亡。

许多在地震中的死和伤都是落物和房屋倒塌造成的。

英文:Earthquakeisoneofthemostseverenaturaldisasters。

It’sshak ingofthegroundcausedbythesuddenbreakinga ndshiftingoflargesectionsofEarth’srockyourtershe ll。

Itsresultscanbeveryhorrible。

ThewenchuanEarthquakein2008andjapanEarthquakein20 11arethemostsevereearthquakesinrecentyears,causinghugecasualtiesandpropertylosses。

Butearthquakesalmostneverkillpeopledirectly。

manydeathsandinjuriesinearthquakingresultfromfall ingobjectsandthecollapseofbuildings。

关于地震的英语作文(二):Anearthquakeisashakingofthegroundcausedbythesudde nbreakingandshiftingoflargesectionsofEarth’srock youtershell。

Earthquakesareamongthemostpowerfuleventsonearth,andtheirresultscanbeterrifying。

关于地震经历英语作文初中

关于地震经历英语作文初中

关于地震经历英语作文初中Earthquake Experience。

Last year, I experienced my first earthquake. It was a frightening and unforgettable experience that I will never forget.It was a normal day, and I was at home doing my homework when suddenly the ground started shaking. At first, I thought it was just a small tremor, but as the shaking became more intense, I realized that it was a major earthquake. I was terrified and didn't know what to do. I could hear things falling and crashing all around me, and I was afraid that the house would collapse on top of me.I quickly ran outside and saw that the whole neighborhood was in chaos. People were screaming andrunning in all directions, trying to find a safe place. Ifelt helpless and scared, not knowing if the earthquake would get worse or if there would be aftershocks.After what felt like an eternity, the shaking finally stopped. I was relieved but also shaken up by the experience. I could see that some buildings had collapsed and there was debris everywhere. It was a scene of destruction that I had never seen before.In the days that followed, I learned about the extent of the damage caused by the earthquake. Many people hadlost their homes and belongings, and some had even lost their lives. It was a heartbreaking situation, and it made me realize how fragile life can be.Despite the fear and uncertainty that the earthquake brought, it also taught me some valuable lessons. I learned the importance of being prepared for emergencies, such as having an emergency kit and knowing what to do in case of an earthquake. I also learned to appreciate the little things in life and not take them for granted.Overall, my earthquake experience was a wake-up call that reminded me of the power of nature and the importanceof being resilient in the face of adversity. It was a scary and challenging experience, but it also made me stronger and more aware of the world around me.。

关于地震的英语作文

关于地震的英语作文

关于地震的英语作文关于地震的英语作文(一)it is important for us to know how to prevent us from being hurt in earthquake . the most effective way is to depend on ourselves. we can get everything ready before it happens . we must keep enough food and drinking water with us . when it happens keep calm and don't run about .follow the correct orders .only in this way,can we get the most chance to survive in earthquake.对于我们来说知道如何在地震中免遭伤害是很重要的。

最有效的方法是靠自己。

我们可以在地震前把一切准备好。

我们必须随身保持足够的食物和饮用水。

当地震发生时要保持镇静,不要乱跑。

遵循正确的命令。

只有用这种方法,我们才能得到最大的生存机会。

关于地震的英语作文(二)Yushu have many the miracle of life, a lot of people with you. In just a few days, so much the miracle of life, so many brave people. A child says, was under pressure in SLATE, black and fear, so she drove his flashlight to read, dispel fears. It's only a child, ideas, but he only children but we cannot overcome the difficulties. These in the rubble miraculously survive the people, is one of the most courageous!S go ahead, but the people of the whole country and yushu you together!玉树有很多生命的奇迹,很多让人佩服的人与事。

防震减灾的英语作文精彩6篇

防震减灾的英语作文精彩6篇

防震减灾的英语作文精彩6篇防震减灾的英语作文篇一I don't know when earthquake prevention and relief became an important agenda in our life. Maybe it started in 20XX.On May 12, 20XX, a massive earthquake measuring 8 on the Richter scale hit Wenchuan, Sichuan province, causing tens of thousands of people to lose their lives and great property losses. More than shock, we should reflect: if all of us had a bit of earthquake preparedness, how could we be so helpless in the face of death?Shock absorber should choose indoor solid, can cover the body of the object, easy to form a triangular space, the space should be small, there is a support place, outdoor open, safe place.The posture the body should adopt; Volver to be determined, squat or sit, as much as possible to curl the body, lower the center of gravity. Grab something solid, such as the foot of a table.The organs that need to be protected are; Head and neck, eyes, mouth and nose.If the earthquake, you were pressed under the ruins, at this time, you do not blindly move, to calm, first hand out, slowly move the ruins, first keep breathing smoothly, then try to breathe, shout personnel to save you. If you are at home during the earthquake, you must immediately get into a hard, and not collapsed small room for shelter, so as not to be injured. Also, lean against a strong wall or squat in a doorway to survive the collapse of the house, to avoid injury. If you are in the wild, avoid steep cliffs to avoid falling down. There are also to prevent landslides, so as not to slip down. If in school, must obey the command of the teacher, hide under the desk, pay attention to protect the head, if in physical education, to avoid tall buildings, do not be injured. If you are in a movie theater, you should hide under a chair to absorb shock, avoid hanging objects such as lights and air conditioners hanging from the ceiling, protect your head with something, and follow instructions to evacuate the scene. In the mall earthquake, to avoid glass cabinets, avoid goods, billboards, lights and other items. If you are in a bus, you should hide under a chair or squat down, keep your center of gravity and hold the handrails.Only by remembering these and mastering the knowledge of earthquake prevention and disaster relief can we save our lives as much as possible when we encounter an earthquake. Earthquake relief, start from me, in front of the disaster I hope you can use the most calm attitude to protect themselves, rescue others!防震救灾这件事情不知道从什么时候开始变成了我们生活中一向重要议程,或许是从08年开始的吧!20XX年XX月12日,四川汶川发生了8级特大地震,导致数万人失去了宝贵的生命,财产受到极大损失。

关于地震的英语作文(精选9篇)

关于地震的英语作文(精选9篇)

地震的英语作文关于地震的英语作文(精选9篇)在我们平凡的日常里,大家总少不了接触作文吧,作文是从内部言语向外部言语的过渡,即从经过压缩的简要的、自己能明白的语言,向开展的、具有规范语法结构的、能为他人所理解的外部语言形式的转化。

那么一般作文是怎么写的呢?以下是小编帮大家整理的关于地震的英语作文,希望对大家有所帮助。

地震的英语作文篇1Strong sichuan earthquake shook the heart of every Chinese. One billion three hundred million pairs of eyes watching the same place, blood on the first line of the seismic, thousands of miles away to transfer the frequent reverberate and blessing, frontline staff to create a another the miracle of life.When disaster comes, you cried? With a sharp in the heart, quietly told myself: "don't cry, strong!" Earthquake make disaster areas such as have silence, destroyed their homes, destroyed the original sound family, but love remains eternal. Mother used body to protect the lives of children, teachers care for the students with love with open arms the infant body. Too much too much love in the disaster seems to be very hard.When disaster comes, you heart hurt? Thousands of words have been surprised by tu as the disaster, the sincere tears can't help sliding down the corner of my eye, is low in the ruins of the dust. Your heart tightly and search and rescue personnel heart together; Rescued after joy, tears and blood mixed together!When disaster comes, you mourn? Tears blurred eyes work, the suffering of the disaster area each in my mind emerge, the fear and strong with something of fragile, do not scratch soul has become the vicissitudes of life, but looked down again at thesame time tightly clenched fists.Disaster is not terrible, because we are together, in the effort!强烈的四川地震震撼着每一个中国人的心。

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初二关于地震的英语作文
After 5. earthquake struck sichuan province since 20xx, we, I was so frightened by an earthquake, I felt the earthquake many houses will be apart, can let many people lost their lives, is one of the world's most terrible disaster. Today I saw "China children's encyclopedia, really know anything about earthquake.
It turns out that the earthquake happened all of a sudden the vibration phenomenon, like the wind, rain, is a kind of common natural phenomena. Vibrations in the earth, in fact, very frequently, probably every 30 seconds there will be time, but most of them are very ease, people did not feel. We can feel the earthquake is due to the relative movement between earth's tectonic plates, rock is squeezed, produce a huge amount of energy to make rock failure in an instant, or make originally the already existing fracture activity, suddenly release a large amount of energy, and some of the energy to the earth's surface, make the earth trembling violently, causing strong earthquake. Started happening earthquake site is called the source, the source above the ground is called
the epicenter, the ground of the devastating earthquake is the most strong place is called the magistoseismic area, while the magistoseismic area often is the place where the epicenter. When the earthquake occurred, the source of shock wave in the earth's crust to all directions called seismic waves. Seismic waves hit the ground, the result will be a disaster.
We Chinese people are very smart, as early as the eastern han dynasty, there is a man named zhang heng scientists invented to measure the earthquake Hou Feng seismograph, and our modern scientists are generally measured the spread of seismic wave speed with the help of a seismograph, the place and time of the earthquake.
Know the earthquake knowledge, learning even before the earthquake early warning and self protection method, I think, to know that knowledge is very useful for our own.
自从20xx年我们四川发生5.大地震之后,我就特别害怕地震,我觉得地震会震垮很多房屋,会让许多人失去生命,是世界上最可怕的灾难。

今天我看了《中国少年儿童百科全书》后,才真正知道地震是怎么回事。

原来,地震是突然间发生的大地震动现象,就像刮风、下雨一样,是一种很普遍的自然现象。

地球上的震动实际上非常频
繁,大概每30秒种就会有一次,但大多数都非常缓和,人们都没有感觉。

我们能感觉到的地震是由于地球板块之间产生相对运动,岩石层受到严重挤压,产生巨大的能量使岩石在瞬间发生断裂,或者使原来已经存在的断裂突然活动,释放出大量能量,而其中一部分能量传到地球表面,使大地剧烈地颤动,从而引起强烈地震。

地震开始发生的地点称为震源,震源上方的地面称为震中,破坏性地震的地面最烈处称为极震区,而极震区往往就是震中所在的地方。

地震发生时,震源发出的在地壳中传向四面八方的冲击波称为地震波。

地震波冲击到地面,就会引发灾难。

我们中国人非常聪明,早在东汉时期,就有一位叫张衡的科学家发明了用来观测地震的侯风地动仪,而我们现代的科学家也一般都借助地震仪来测量地震波的传播速度,判断地震发生的地点和时间。

知道了地震知识以后,还要学习地震发生前的提前预警和自我保护方法,我想,了解到这些知识对我们自己是非常有用的。

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