The document discusses a 7.2 magnitude earthquake that struck the central Philippines on a national holiday, severely shaking an estimated 43,000 people. Another earthquake in 1990 in the same fault zone caused $154 million in damage. The earthquake is the strongest to hit the region in 23 years. Relief efforts are underway, with the Philippine Red Cross and IFRC providing essential supplies to at least 10,000 families affected by the disaster.

1. The Northridge Earthquake
Knowledge is the skill acquired by a person to have facts or information through education or experience. To wonder is to be curious to know something.
The meaning behind Morgan's quote is that once someone learns something new, they want to investigate or know more.
Once we are told something we did not know, our curiosity tells us to do some research or to ask questions in order to know more about the topic. I
have been in this situation multiple times. When I was first told about the Northridge Earthquake that happened a few years ago, I was shocked and I
was dying to know more. I had to do some research on my own and my knowledge about the earthquake expanded. Not only did I know what
happened, but I also knew how it happened, why it
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2. Essay On Earthquake
The data from nine earthquakes happened in winter and summer time, with magnitudes ranging from M 3.0 to M5.7, was collected at a sampling rate
200 Hz and preprocessed for the further analysis [4]. Then, dynamic properties of the structure were obtained using modal property identification
toolbox (MPIT 2.0) developed at the University of Auckland [13]. The modes were determined from the following system identification algorithms:
–Frequency domain methods: the peak picking (PP), the frequency domain decomposition (FDD), the enhanced frequency domain decomposition
(EFDD) –Time domain method: stochastic subspace identification (SSI) method [14] identifying the stable poles by generating singular values around
them from the singular value...show more content...
Then, the most plausible modes was chosen by comparison of MAC values of each date for each SI algorithm. Since fundamental mode of the
bridges always excited by the translational ground motions during earthquakes, transverse components of mode shapes only were described in this
research to estimate the input of different bridge components on the bridge dynamic response. The frequency values obtained by each method,
except of SSI for summer dataset, at each season and their mean and coefficient of correlation are shown in Table 3.1 and Table 3.2. From this
figure, the values of fundamental transverse frequency identified by each method are highly correlated for all methods, the mean coefficient of
variation was no more than 0.02. In addition, no relationship between the transverse frequency and the depth of frozen soil at specific dates was
observed. A high correlation between mode shapes, with MAC value 0.95 or higher, was observed for two frequency domain methods only, FDD and
EFDD. Therefore, the average values of natural transverse frequency calculated from the values identified by each method, 7.69 Hz and 2.85 Hz, and
mode shapes obtained by FDD technique (Figure 3.1) were chosen as a baseline experimental values for the further calibration of the numerical models
developed for winter and summer respectively. The bridge transverse response is mainly symmetrical; the possible
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3. Earthquakes Essay
We have to know what earthquakes are in order for us to be prepared against them. Earthquakes are tremors that move the earth. They can create a lot
of damage. Earthquakes have happened around the world. What causes earthquakes to happen? How do we protect ourselves against the powerful
earthquakes? Earthquakes can cause a lot of damage to homes and places so it is important to know where it has happened. Also what causes them and
how do we protect ourselves against earthquakes. To begin with earthquakes can happen around the world. A 6.3earthquake destroyed historic
buildings in Italy. On January 12, 2010 a powerful 7.0...show more content...
It's important to know that earthquakes happen around the world so people are prepared for earthquakes anytime anywhere they are. We also
have to know what earthquakes are to be prepared. Another example is what earthquakes are. Earthquakes are called tremors and can be
tremendously destructive. An earthquakes magnitude is a measured value of its size and is the same no matter where. There is no such thing as
earthquake weather. An earthquake is what happens when two blocks of the earth suddenly slip past one another. The surface where they slip is
called the fault or fault plane. "An earthquake is caused by a sudden slip in the fault."said at an article with earthquake facts at
earthquake.usg.com. Its important to know what earthquakes are caused by so we can understand them better. that way we can protect ourselves
against earthquakes. As well as learning how to protect yourself against earthquakes. An important thing is to duck and cover. During an
earthquake, if you are indoors, it is very important to stay calm and take cover under a heavy object. If you are outdoors, stay as far away from
buildings as possible. Get away from shelves or other areas where objects may fall if in a crowded store or public area. Do not run for the door. Crouch
and cover your head and neck with your hands and arms. " Try to get into an open area." Getting into an open area not
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4. Essay on The Epicenter of an Earthquake
Earthquakes can devastate a city. They are a force of nature that can destroy any structure. The earth is made up of moving tectonic plates.
Earthquakes occur along or near tectonic plate boundaries where two plates meet. These plates are solid rock and sit on the mantle which is a layer
of molten rock. This molten rock is constantly moving in a convection current. The earth's core is what generates the heat. The hotter rock rises away
from the core and pushes up against the crust. Here it cools and then moves away on both sides. The now cooled rock sinks back to take the place of
the hotter rock that has risen as shown in the diagram on the right. When the rock pushes against the crust it moves sideways. This moves the tectonic
plates...show more content...
As shown in the diagram on the right, the fault runs straight through San Francisco and right along the coast. When the two plates slide along they
create huge quakes that shake the ground. There have been many earthquakes generated from this fault line but the worst one was in 1906.
At 5:12 am on the 18th of April 1906 in San Francisco the foreshock hit the slumbering city. The force of theearthquake was so great that the tremors
were felt right throughout the San Francisco and it reached as far inland as Nevada (500km away). Along the San Andreas fault the plate slipped up to
21 feet. 20 seconds after the initial foreshock the main earthquake hit, lasting for about 1 minute. Although it lasted for merely a minute it wrecked
mass destruction. After the quake people walked the streets confused. Some people had no idea how much damage had been done. Some people
walked to work as per usual only to find the buildings on a lean or fallen. Not only was there structural damage to the city but there was a significant
loss of life. Many people were trapped under building and cries of help could be heard coming from the piles of rubble. Those that survived could not
be taken to the hospitals as they had sustained major damage. The injured were taken to the dance hall.
What no one realised that the worst was yet to come. The greatest tragedy had not yet unfolded. The earthquake had severed gas mains and
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5. Research Paper On Quake
During the midst of December, a Siberian husky lay in a warm shed. In pain, the husky howls like never before. Her owner storms into the shed to
prepare for the birthing of baby huskies. Howl after howl, one husky after another is born. The mother husky lay weak with four babies next to her.
Finally, the fifth is born. As the mother husky begins to clean her new babies, she is thinking of names for them. Weeks later, the puppies are named
and ready to journey outside for the first time. Staying close to their mother, they wander around the yard. Storm, the smallest puppy runs off. The
family searches and searches, but cannot find him. A few days pass, and two of the puppies, Quake and Terra, want to play outside. They ask their
brother and sister if they want to come, but their offer was declined. Once outside, they walk toward the dog park by the small mountain range.
"What should we play when we get there?" Quake asked Terra.
"I think we should play tag with the other dogs at the park."
"That sounds like a great idea."
Terra and Quake arrive at the park, but there is nobody in sight. They decide to play anyways. Terra begins by tagging Quake. As they are running
around, laughing, and fumbling in the snow, they hear a loud crashing sound. The two dogs stop, look up the mountain, and see nothing. They begin to
play again....show more content...
On their way home, they come across the polar bear that Terra killed on her way to save Quake. The owner spotted something small crawling around
on it. He stopped the truck, got out, and walked over to the moving object. There was a skinny puppy that looked as though it had not eaten in weeks.
When the owner got closer the dog growled furiously at him. The owner tried to gain its trust and when he finally did, the puppy ran to the owner,
who then realized it was Storm. Storm, his puppy that ran away a month ago. He took Storm back home, cleaned him up, and got him some food and
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6. Dbq Essay About Earthquake
What would you do in a situation of a natural disaster with no resources, alone with no hope? A lot of people are scared from all of this commotions,
fearing of no hope, losing lives even loved ones. There was a deadly magnitude earthquake of 7.2 that struck the central philippines on a national
holiday. An estimated 43,000 people experienced severe shaking. Anotherearth quake hit with a magnitude of 6 in the fault of 1990 caused $154 in
damage.The temblor is the strongest too come in 23 years. (Background essay)
People have had many disasters happen to homes and people are getting affected by all of the commotion.Interior secretary Mar Rotas in a statement
said he had ordered the national police to check on reports that some local officials had been "hoarding" relief goods and distributed the selectivity
supporters. People have there own stuff and they don't want too let it go of there stuff so they will need help. Since the earthquake, the Philippine red
cross, with the supports of international federation of red cross and red crescent societies or IFRC has provided at least 10,000 families with essential
household items including blankets, water containers, personal hygiene items, mosquito nets and tarpaulins.(Documents C,A)...show more content...
On October 15th an earthquake killed nearly 90 people. In the Philippines killed nearly 200 and displacing tens of thousands of dollars. The quake
wrecked about more than 45,000 homes. These earthquakes have affected many people, damaging homes and even lives and causes millions of dollars
for repairs. The quake, the strongest to hit the disaster–prone country in recent years, struck Bohol on October 15th. Felt across several neighbouring
provinces, more than 2,500 aftershock have rippled through the region since.(Documents
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