Examples Of Review Essays On Movies On Earthquake

“It is a bitter and humiliating thing to see works, which have cost men so much time and labour, overthrown in one minute; yet compassion for the inhabitants is almost instantly forgotten…” Charles Darwin (on the ruin of Concepcion in Chile by an earthquake (Robinson 47)

People tremble when they hear the word; destruction, mayhem, and tragedy: all words that come to mind when “earthquake” is heard. They occur without warning and cause millions of dollars in destruction and numerous deaths. For these reasons and more, earthquakes are one of the most unpredictable and devastating occurrences Mother Nature dishes out.

Earthquakes usually occur without warning. There is a sudden slip in the earth’s crust, which makes the earth shake causing mass destruction to buildings and people in the surrounding areas. These areas in the earth’s crust are called faults. When the earth “faults” the ground bends to a certain limit until the point of breaking. When it finally snaps, it sends vibrations up to the earth’s surface where the earthquake occurs (USGS). There are two different types of waves during an earthquake, the P-wave and the S-wave. The P-wave is the primary wave that is the first wave to arrive, followed by the transverse, or S-waves, which arrive after (USGS). Quakes can last for short or long periods of time and are sometimes followed by aftershocks. They are tiny earthquakes that last for a few seconds after the bigger quake.

Charles F. Richter of the California Institute of Technology created the Richter magnitude scale in 1935 in order to compare the magnitudes of earthquakes. The magnitude of an earthquake is determined from the logarithm of the amplitude of waves recorded by seismographs (USGS). The scale ranges from numbers zero through 10. A number such as 4.6 on the Richter scale would be considered a mediocre earthquake in seismologists’ minds while any number over six would be a large earthquake. Earthquakes under a two rating are not felt by people and are not recorded because no damage is done. Earthquakes of these magnitudes are likely to occur thousands of times a day while one of a ranking higher than eight will only occur once on average in the world each year. Earthquakes have also been measured in equivalence to weights of dynamite. For example, if an earthquake gets a reading between a 6.0 and a 7.0, it is the same as blowing up around 100,000 tons of dynamite (Nuhfer 39).

Earthquakes cause massive losses in money for the government when they strike. Buildings are knocked over, streets cracked, and there are many electrical problems that they have to deal with. It takes a lot of time for places to recover from the effects of earthquakes. A new Federal Emergency Management Agency report says that damages from U.S. earthquakes total about $ 4.4 billion a year. California alone accounts for $ 3.3 billion of the total (Fema 9). Another tragic loss we have when earthquakes come around is the loss of our family and friends. Thousands of people lose their lives without ever knowing what hit them. The most devastating quake in United States history is by far the one that “shook the world” in San Francisco in 1906. More than three thousand lives were taken on that day. The closest death toll to this in the United States was one hundred and fifteen, an earthquake that occurred in Long Beach, California in 1933 (USGS).

To try and reduce these loses of friends and relatives, there are steps to reduce hazards in the home. One example if you are in a high seismic-risk zone would be to strap or bolt all furniture to the floor or to the walls so that if an earthquake does occur, it will not harm anyone. Also, the frame should be checked periodically to make sure that it is all in tact. One final precaution would be to use plywood sheathing wherever needed, such as garage door areas, to strengthen the home so that less damage will occur (Bolt 228-29).

Most of the earthquakes that happen in the United States occur on the West Coast, especially in California. This is true because of one of the most famous fault lines in the world, the San Andreas Fault. This fault line stretches for over six hundred miles from the Imperial Valley in Southern California to Point Arena on the northern coast and then out to sea. To date more than twenty-five earthquakes have occurred in California. Most of these are because of the San Andreas Fault. And these are only the earthquakes that have been measured on the Richter scale.

The most recent damage an earthquake has done in the United States was on February 28, 2001 in the Puget Sound region of Washington State, called the Nisqually earthquake. The quake measured a 6.8 on the Richter scale and shook the earth for a good forty seconds. Even though it was a long earthquake, it was still one of the less damaging earthquakes of this magnitude in the United States. Immediately after the quake, 28 state bridge inspection teams examined about 500 state-owned bridges within a 73-mile radius of the epicenter. There was ”almost no structural damage,” said Weigel, Washington State Dept. of Transportation bridge engineer, to insure safety for motorists using the bridges (News Site). There was only one death contributed to it, a heart attack victim. The damage bill was nothing compared to other quakes. The bill totaled up to around two billion dollars. That may seem like a lot, but when compared to the earthquake in Northridge, California in 1994 it was pennies. This quake ranked at 6.7 on the scale and was the costliest earthquake the United Stated had ever had at forty billion dollars. The after shocks of this earthquake caused more damage than the entire Nisqually quake including its aftershocks, which did not reach above a 3.4 (SCEC). This quake was also different from other quakes, as the city of Santa Monica knows first hand. Parts of their coastal city, 21 kilometers south of Northridge and separated from it by a mountain range, had received shocks just as severe as those felt in Northridge (O’Hanlon). Scientists are still stunned about why this occurred, but attribute it to something of a magnifying glass of a rock in the earth’s surface that focused the quake to Santa Monica.

The Northridge quake, like all others, brought attention to the way that some buildings were structured. Although not much damage was done to some buildings due to the soft soil around it, others were hit hard. One of the more severely damaged buildings was the six-story Palmer Court Building, an un-reinforced masonry structure located in Seattle’s historic Pioneer Square district (Staff 10). Although damage to buildings is inevitable during an earthquake, improvements can still be made to buildings so that they do not end up like the Palmer Court Building. Every building, however moves somewhat during an earthquake, no matter its size. During the Loma Prieta Earthquake in San Francisco during the World Series, the seats were seen shaking back and forth along with the entire Candlestick Park. After a few moments of shaking, it regained its original position without much structural damage (Levy 94).

Although this is the most recent quake felt by the United States, one that occurred nearly a century ago will not soon be forgotten. The earthquake that occurred in San Francisco on April 18, 1906 ranks as one of the most significant earthquakes of all time (USGS). At around 5:00 in the morning, the northernmost 290 miles of the San Andreas Fault ruptured. Although the Richter scale was not around, it is believed to be one of the most powerful earthquakes to ever hit the United States. The city shook violently for almost a full minute. Fires blazed and approximately three thousand people were killed in this tragic event.

So is there anything anybody can do to prepare for another such disaster? There is really no way of knowing when the next earthquake will hit, but seismologists have several methods so that they can estimate approximately when another one will occur. By studying the amount of earthquakes and when they happen in a certain area, seismologist can then guess the probability of another one occurring in that area within a given time (CBC News). This will then give people the time to prepare themselves for another possible quake. Seismologists can also measure how much stress a certain region of the earth’s crust is under, and how quickly that stress is increasing. This will help them to determine if another quake is likely in that region, but it is a very difficult procedure and far from perfect because a lot of areas lack the equipment and data needed for this.

There is no way to stop earthquakes from shaking our earth. It is something that, unfortunately, we will have to deal with for the rest of our lives. Many scientists and seismologists are doing the best they can so that we can be better prepared for another earthquake when it hits. Until the time when we will be able to predict when they will strike comes, we will have to live knowing that at anytime an earthquake can come and shake up the earth as well as our lives.

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Earthquake is one of the most horrific and devastating natural phenomena, which can cause great damage to the areas it take place in, prolonged economic chaos, and even kills scores of innocent people. The worst thing is that this incredible destructive force can occur quite unpredictably, as it’s a sudden slip in the earth’s crust, causing the earth to shake and bringing huge harm to society.

I see that firstly it can be a little difficult for you to define the specific topic, as this field covers many exciting aspects and each is worthy of your attention. Let’s look through some of them, as I’m sure it will help you make the right choice.

  • New technologies. As earthquake questing is very important nowadays, new technologies are being developed all over the world. They can provide better protection and give more accurate prediction of the seismic disasters. For example, using vibration control and base isolation technologies in construction.
  • Safety rules. Such information is very useful for everyone, as nobody knows where the next earthquake will occur and how to behave in this situation.
  • Bermuda Triangle. One of the versions explaining the Bermuda mystery is an underwater earthquake, as scientists have found a seismic activity in this area, which can cause tsunamis up to 100 feet high.
  • Real experience. Write your research work on a true story of a person, who has once experienced an earthquake, describing the most interesting moments.
  • Origin. What are the main reasons for seismic waves and how do scientists explain them? Do people have a direct impact on them by industry and mass building?

Define in which…


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