Earthquakes for kids,fire evacuation checklist workplace,evacuation plan template nz,list of community resources for emergency preparedness - Test Out

Although the ground we walk on seems completely solid, the Earth is actually made up of huge pieces of flat rock called tectonic plates. When these plates rub together, the movement forces waves of energy to come to the earth's surface.
Earthquakes can make buildings fall down and set off landslides, as well as having many other deadly effects. Almost 80% of all the planet's earthquakes occur along the rim of the Pacific Ocean, called the "Ring of Fire"; a region that encircles the Pacific Ocean and is home to 452 volcanoes (over 75 percent of the world's active and dormant volcanoes).
A Richter Scale is a device that gauges the magnitude (the energy it generates) of the earthquake. It is important for earthquake-prone countries such as Japan to build houses and buildings that react well to earthquakes. The epicentre of an earthquake is the area on the surface, above the point where the earthquake originated. The hypocentre of an earthquake is the area below the earth’s surface; it is the place where the earthquake began.
A tsunami is a sequence of huge waves of water that usually occur in oceans or large lakes. There are about 500,000 earthquakes a year around the world, as detected by sensitive instruments. An earthquake is what happens when two blocks, or ‘plates’ of the Earth suddenly slip past one another. While the edges of faults are stuck together, and the rest of the plate keeps moving, the energy that would normally cause the blocks to slide past one another is being stored up. American Airlines saved 40 000 in 1987 by taking out one olive from the salad that was served in first class. Earthquakes, that can cause the ground to shake and buildings to sway and even tumble to the ground are definitely serious events, but why and how they occur provides some brilliant insight into the world that exists deep beneath our feet. An earthquake actually happens many more times than we realize, but most of these are very minor movements that barely register on the seismographs, which are the recording instruments, used to monitor the movements deep underground.
When two sections of earth are aligned at slightly different levels, this is called a fault, and when these two sections suddenly move and slide over or past one another, this creates motion deep within the earth.
While the main shock is what we associate most with earthquakes, there are some other earth motions to be familiar with. Aftershocks are tremors and smaller earthquakes that occur after the main shock, and while smaller than the big quake they follow, they can still create a lot of damage because many buildings have already been weakened at this time. Let’s take a look and see what actually happens inside the earth during an earthquake.
The crust and the mantle combine to make up what seems like a solid layer of ground that we walk on but it really is constructed more like a giant puzzle and the pieces slide back and forth a little bit at a time. When the movement is finally great enough to cause the part that is stuck to release, there is a tremendous release of energy.
The seismographs are the machines that actually record the movements of the earth and can tell scientists how powerful the earthquake was. The largest earthquake ever recorded in the world was one in Chile in 1960 that measured 9.5 on a scale of 1-10.
Earthquakes, also called temblors, can be so tremendously destructive, it’s hard to imagine they occur by the thousands every day around the world, usually in the form of small tremors.Some 80 percent of all the planet's earthquakes occur along the rim of the Pacific Ocean, called the "Ring of Fire" because of the preponderance of volcanic activity there as well. Catch a glimpse of wildfires from a rare perspective, as firefighters open a window into their world.
Unlike earthquakes, which are often followed by aftershocks, the storms that birth tornadoes are independent of one another. See heroic firefighters and breathtaking devastation shared with the #wildfire2014 tag on Your Shot.
Twisters across much of the South and Midwest highlight seasonal dangers in vast strike zone. See how you measure up against others, and how changes at home could do tons to protect the planet. The National Geographic Society aims to be an international leader for global conservation and environmental sustainability. Seismologists can tell how serious an earthquake is by a machine called a seismograph, which rates the intensity of the quake’s shaking.
Seismologists can tell how serious an earthquake is by a machine called a seismogram, which rates the intensity of the quake’s shaking. Answer: If you’re in a building in an earthquake, get under a table or desk and hold onto it. The Earth's surface is made up of a series of large plates (like pieces of a giant jigsaw puzzle) these plates are called tectonic plates. Earthquakes are measured by something called a Richter scale (a scale from 1 to 10 used to measure the strength of earthquakes, the higher number the stronger tremors.) Earthquakes can be felt over large areas although they usually last less than one minute! That the shaking in earthquakes can also trigger landslides and occasionally volcanic activity! When a large earthquake epicentre (point where an earthquake starts) is located off land, the seabed sometimes suffers enough displacement to cause a tsunami! Countries which are badly affected by earthquakes include Japan, the Philippines, India, Nepal, Afghanistan, the Islamic Republic of Iran and the Pacific Islands, California's North Coast and San Francisco. The Philippines, which lies between two of the world’s most active tectonic plates, experiences an average of five earthquakes per day, most of which are hardly noticeable!
In California, to help people know what to do it an earthquake they have to practice duck, cover, and hold drills, children and adults alike have to do this, do you want to try?
Here in the United States, we look to the Western part of our country to see the greatest seismic activity. Explain why Iran experienced almost 80 times more deaths in the 20th Century than California, despite having the same seismicity.


Why would the city of Bam, based on its type of construction, be prone to such devastation?
By referencing subduction, convergence, and the Juan de Fuca Plate, describe the mechanics of this particular earthquake. Have students report, possibly by mapping, on the faults that have experienced the highest levels of recent activity. After inspecting their construction, have them push against one piece of Styrofoam longitudinally, while holding the other firmly.
Students, after reading this page, use either your hands or two books to simulate what type of movement it describes. For Further Investigation: Students can be encouraged to look for maps of the major lithospheric plates. Astronaut Scott Kelly returns to Earth after year in spaceAmerican astronaut Scott Kelly and Russian cosmonaut Mikhail Kornienko returned to Earth Tuesday after a 340 day mission on the International Space Station.
World News Quiz: Was a mystery solved in Mozambique?Give students this fun, 5-minute quiz rounding up the week’s world news to see how much they paid attention.
WorldTake the Political Party Quiz to find out where you fit!Ever wondered where you fit on the political spectrum?
Several Republican leaders came out against their party’s leading presidential candidate Donald Trump following his successful Super Tuesday showing.
Presidential candidates running in the 2016 election have spent millions of dollars to create a series of biographical campaign ads along with ads that attack opponents. Presidential candidates Donald Trump and Hillary Clinton widened leads in their respective races on Super Tuesday, as voters in 11 states and American Samoa took to the polls. An earthquake that occurs at the bottom of the sea can push water upwards and create massive waves called tsunamis.
You are unlikely to feel a magnitude 3 earthquake but magnitude 6 earthquakes could potentially cause large damage.
More recently, an earthquake that hit the Tohoku region of Japan on March 11, 2011, had a magnitude of 9.0 and killed over 15000 people. Good engineering can help stop buildings collapsing under the stress of large earthquakes, for example by building structures which can ‘wobble’ when an earthquake hits. When he was angry, Poseidon would strike the ground with his trident and set off an earthquake. Other scientists think that animals may sense electrical signals set off by the shifting of underground rocks. The speeds of the seismic waves enable scientists to locate the epicentre of an earthquake. The worst affected areas include; Japan, China, the Philippines, Indonesia, Australasia and the West coast of North and South America. Tsunamis are caused by disturbances within the surrounding areas; they are usually caused by underwater earthquakes, volcanic eruptions and landslides.
The instrument uses a weighted pen and a spring and the vibrations from the earthquake makes the pen draw lines onto some paper.
A fault is a fracture in the crust of the earth along which rocks on one side have moved relative to those on the other side.
Most of them occur near the Pacific plate and the North American plate around the Ring of Fire.
For example, building robots to rescue people and tracking earthquake activity utilizes a lot of STEM knowledge! There may be as many as 500,000 earthquakes a year but only part of these is really noticeable. This spot inside the earth is known as the hypocentre and the site that is located directly above the hypocentre is known as the epicentre. These aftershocks will happen in the same area as the main quake and they can continue for days, or even months or years.
Surprisingly it seems that many animals have the ability to sense these waves before we are aware of anything amiss. The largest earthquake in the US was in 1964 in Alaska and the magnitude of that one was 9.2. Most earthquakes occur at fault zones, where tectonic plates—giant rock slabs that make up the Earth's upper layer—collide or slide against each other. When individuals pledge to use less water in their own lives, our partners carry out restoration work in the Colorado River Basin.
Other western states, like Nevada, Idaho, Washington and Oregon are prone to earthquakes or can be damaged by earthquakes that happen in Alaska and California. Take the FREE & fun all about Earthquakes quiz and download FREE all about Earthquakes worksheet for kids.
It is the result of a sudden release of energy in the Earth’s crust that creates waves that travel through the Earth. If that is not possible, seek cover against an interior wall and protect your head and neck with your arms. If you practice something a lot then when the time comes you’ll remember exactly what to do and will not panic.
In fact, literally thousands of tiny earthquakes occur in the California and Nevada region each year. Note: To get the map without the earthquakes plotted, simply click on remove earthquakes from this map and print it.
You want to instruct students to only move the Styrofoam until the friction is overcome such that displacement is a few centimeters. The San Andreas Fault is part of such a boundary involving the Pacific Plate and the North American Plate. Students will explore historical presidential campaign ads and then create their own TV ads.


Earthquakes can sometimes be nothing more than small tremors or shakes, but sometimes they can cause damage and devastation.
A tsunami is not a tidal wave – these are caused by the forces of the moon, sun, and planets upon the tides, as well as the wind as it moves over the water. Each year, the southern California area alone experiences about 10,000 earthquakes, most of them not felt by people. Rather, because oil generally is found in soft and squishy sediment, when oil is removed other rock moves in to fill the space left behind, creating mini earthquakes that are not noticeable to humans. The location below the earth’s surface where the earthquake starts is called the hypocentre, and the location directly above it on the surface of the earth is called the epicentre.
But this layer is not all in one piece – it is made up of many pieces like a jigsaw puzzle covering the surface of the Earth. The energy radiates outward from the fault in all directions in the form of seismic waves like ripples on a pond. A short wiggly line that doesn’t wiggle very much means a small earthquake, and a long wiggly line that wiggles a lot means a large earthquake. Scientists also talk about the intensity of shaking from an earthquake, and this varies depending on where you are during the earthquake. Stresses in the earth’s outer layer push the sides of the fault together, pressure builds up and the rocks slip suddenly, releasing energy in waves that travel through the rock to cause the shaking that we feel during an earthquake. These activities eventually result in releasing energy, which causes the outer layer of the earth to erupt along faults!
It is when the tremors or shaking activity is strong enough to feel that it gets the attention of many people. The trembling of the foreshocks alert scientists to the activity that is going on in one location deep inside the earth but until the main shock happens they do not know if these early, small rumbling quakes are only movements in the earth or signs of a quake that is about to happen. These sections of our earth are not nicely rounded like real puzzle pieces and sometimes part of the plates get stuck, but the rest of the plate keeps trying to move. Some animals will exhibit nervous behavior and attempt to hide or leave the area immediately before an earthquake happens.
These impacts are usually gradual and unnoticeable on the surface; however, immense stress can build up between plates. Over 80 percent of the earth’s earthquakes happen in the Pacific Ocean, in a place known as the “Ring of Fire.” Annually, around 10,000 people die in earthquakes every year. Sometimes they slide under one another or push up against each other, creating enormous stress. When these plates move against each other, they cause activity such as earthquakes, volcanoes, and mountain building!! Increasingly, scientists are discovering ways to predict and prevent loss of life associated with these phenomena.
In the activity just performed, pushing with the left hand represents the movement of the Pacific Plate against the North American Plate. Other risks involve consequences to the landscape, environment and wildlife along with the risk of landslides and tsunamis. These puzzle pieces keep slowly moving, sliding past one another and occasionally bumping into each other.
The seismic waves shake the earth as they move through it, and when the waves reach the earth’s surface, they shake the ground and anything on it. The length of the wiggle depends on the size of the fault, and the size of the wiggle depends on the amount of slip. The epicentre is also the location that has the most damage, although the damage and motion may be obvious for great distances. This is also an area of intense study and research because it would be of tremendous value to be able to use foreshocks to predict the larger quakes before they happen. Next, we have an outer core and then the inner core is the deepest major layer of the earth. When this stress is released quickly, it sends massive vibrations, called seismic waves, often hundreds of miles through the rock and up to the surface. Alaska is followed by California, Hawaii, Nevada, Washington, Idaho, Wyoming, Montana and Utah.
As a strong advocate of the integrated and inquiry approaches, Kevin is currently helping to build a science program for the newly formed Frederick Douglass High School in Roslindale, MA.
We call these puzzle pieces tectonic plates, and the edges of the plates are called the plate boundaries. A strike-slip earthquake occurs when the rock on one side of a fault slides horizontally past the other.
Other quakes can occur far from faults zones when plates are stretched or squeezed.Scientists assign a magnitude rating to earthquakes based on the strength and duration of their seismic waves. The plate boundaries are made up of many faults, and most of the earthquakes around the world occur on these faults. In a dip-slip earthquake, the fault is at an angle to the surface of the earth and the movement of the rock is up or down.
Since the edges of the plates are rough, they get stuck while the rest of the plate keeps moving. Collapsing buildings claim by far the majority of lives, but the destruction is often compounded by mud slides, fires, floods, or tsunamis. Finally, when the plate has moved far enough, the edges unstick on one of the faults and there is an earthquake. Smaller temblors that usually occur in the days following a large earthquake can complicate rescue efforts and cause further death and destruction.Loss of life can be avoided through emergency planning, education, and the construction of buildings that sway rather than break under the stress of an earthquake.



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