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earthquakes - WordPress.com
earthquakes - WordPress.com

... Caribbean and North American plates. There was slippage along a conservative plate boundary that runs through Haiti. ...
learning targets for
learning targets for

... How do rocks move and change forms? The rock cycle. THE ROCK CYCLE. For this project, you need to demonstrate your knowledge of the Rock Cycle through any form that you wish. It can be a diorama, a project display board, a power point, or anything else that works for you. The display should be a tea ...
Where earthquakes?
Where earthquakes?

... focus ...
learning targets for
learning targets for

... How do rocks move and change forms? The rock cycle. THE ROCK CYCLE. For this project, you need to demonstrate your knowledge of the Rock Cycle through any form that you wish. It can be a diorama, a project display board, a power point, or anything else that works for you. The display should be a tea ...
Measuring Earthquakes By Patti Hutchison
Measuring Earthquakes By Patti Hutchison

... An earthquake is the sudden movement of one tectonic plate past another, along a fault. Because of friction, faults resist the forces trying to move the plates apart. ...
Earthquakes - Perry Local Schools
Earthquakes - Perry Local Schools

... that has accumulated over a long time” (Shedlock and Pakiser). Earthquakes occur far more often than most people think. However, few of these earthquakes are strong enough to be felt by humans. Even fewer have the strength to cause major damage to people or to property. In fact, many earthquakes hap ...
Geog 101: Chapter 3 Quiz
Geog 101: Chapter 3 Quiz

... 4. What is the place where the earth’s crust actually moves in an earthquake called? 5. What factors influence the amount of ground shaking caused by earthquakes? 6. What is the nature and behavior of magma? 7. In what kind of plate boundary is material from the crust very slowly forced downward, ba ...
- Putnam County CUSD 535
- Putnam County CUSD 535

... moving towards each other, with one plate being pulled/pushed down into the asthenosphere. ...
California earthquakes: 1933
California earthquakes: 1933

... Oblique movement on the San Andreas Fault Maximum offset of 3-4 feet ~ 25 miles of fault plane movement 15 seconds of shaking 6-10 billion dollars of damage ...
NZ Seismicity - Union College
NZ Seismicity - Union College

... waves,” produced by the sudden release of stored strain energy as crust breaks or slips along faults. ...
earthquakes
earthquakes

...  __S Waves__: “Secondary” or “Shear” waves, ...
Earthquake Preparedness
Earthquake Preparedness

... Aftershock: An earthquake of similar or lesser intensity that follows the main earthquake. Earthquake: A sudden slipping or movement of a portion of the earth’s crust, accompanied and followed by a series of vibrations. Epicenter: The place on earth’s surface directly above the point on the fault wh ...
Seismic Stuff - Issaquah Connect
Seismic Stuff - Issaquah Connect

... •As the crust moves rock along the fault line catches due to “friction” (stick). •As the crust continues to move pressure builds up in the areas of stick. •When the fault finally ruptures (slip) energy is released in the form of an earthquake. •The greater the stick force, the greater the slip will ...
File
File

...  What is stress? What is strain? How to they compare and contrast? (make a Venn diagram) ...
Earthquakes and mass wasting processes in the Andes
Earthquakes and mass wasting processes in the Andes

... • Earthquake = Vibration of the Earth produced by the rapid release of energy • Seismic waves = Energy moving outward from the focus of an earthquake ...
Homework_3_2009
Homework_3_2009

... Work through the entire interactive example of earthquake location and magnitude determination and do the project. This will entail going through each of the activities listed under the heading Main Activities. Be sure to do each of the activities in order. Also, be sure to read the text at each ste ...
Seismic Waves 1. Which type of seismic waves can propagate in an
Seismic Waves 1. Which type of seismic waves can propagate in an

... Work through the entire interactive example of earthquake location and magnitude determination and do the project. This will entail going through each of the four activities listed under the heading Main Activities. Be sure to do each of the four activities in order. Also, be sure to read the text a ...
learning targets for
learning targets for

... What are the LAYERS OF THE EARTH? Give the thickness of each layer and its composition. Include Asthenosphere and Lithosphere. THE LAYERS OF THE EARTH. Create a visual display that shows the layers of the earth, in proportion to their actual thickness, labeling each with their correct thickness and ...
Plate Tectonic Learning Target Sheet
Plate Tectonic Learning Target Sheet

... thickness of each layer and its composition. Include Asthenosphere and Lithosphere. ...
Year 8 Tectonics
Year 8 Tectonics

... earthquakes and volcanoes. A great force of nature, such as an earthquake or volcano, which is a threat or a danger to people. ...
Learn About Earthquakes
Learn About Earthquakes

... The epicentre of an earthquake is the place on the Earth’s surface directly above the focus or (hypocentre), the place inside the earth where the quake originates. Earthquake foci are usually somewhere between the surface and 100 km in depth. In some areas, however, the foci may be as deep as 700 km ...
Modeling deformation of a subduction zone using GPS
Modeling deformation of a subduction zone using GPS

... Here we show an earthquake near the top of the globe and graph the arrival times to seismic stations at varying distances from the hypocenter. The y-axis shows distance from the earthquake, and the x-axis shows the elapsed time since the event. The seismograms, record the arrivals of the compression ...
Teknik Gempa Earthquake Engineering
Teknik Gempa Earthquake Engineering

... ...
Bill Nye Earthquake Video Notes
Bill Nye Earthquake Video Notes

... They make the ground shake so I suppose That's what you get when you're on the west coast (We've just gotten word that Southern California's had another earthquake. Scientists at Nye Labs ...
Volcanoes and Earthquakes
Volcanoes and Earthquakes

... – Can be linked to explosive volcanic eruptions and are very common in areas of volcanic activity where they occur during or after volcanic eruptions – Can be triggered by Tectonic activity associated with plate boundaries and faults. • The majority of earthquakes world wide are of this type ...
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Earthquake



An earthquake (also known as a quake, tremor or temblor) is the perceptible shaking of the surface of the Earth, which can be violent enough to destroy major buildings and kill thousands of people. The severity of the shaking can range from barely felt to violent enough to toss people around. Earthquakes have destroyed whole cities. They result from the sudden release of energy in the Earth's crust that creates seismic waves. The seismicity, seismism or seismic activity of an area refers to the frequency, type and size of earthquakes experienced over a period of time.Earthquakes are measured using observations from seismometers. The moment magnitude is the most common scale on which earthquakes larger than approximately 5 are reported for the entire globe. The more numerous earthquakes smaller than magnitude 5 reported by national seismological observatories are measured mostly on the local magnitude scale, also referred to as the Richter magnitude scale. These two scales are numerically similar over their range of validity. Magnitude 3 or lower earthquakes are mostly almost imperceptible or weak and magnitude 7 and over potentially cause serious damage over larger areas, depending on their depth. The largest earthquakes in historic times have been of magnitude slightly over 9, although there is no limit to the possible magnitude. The most recent large earthquake of magnitude 9.0 or larger was a 9.0 magnitude earthquake in Japan in 2011 (as of March 2014), and it was the largest Japanese earthquake since records began. Intensity of shaking is measured on the modified Mercalli scale. The shallower an earthquake, the more damage to structures it causes, all else being equal.At the Earth's surface, earthquakes manifest themselves by shaking and sometimes displacement of the ground. When the epicenter of a large earthquake is located offshore, the seabed may be displaced sufficiently to cause a tsunami. Earthquakes can also trigger landslides, and occasionally volcanic activity.In its most general sense, the word earthquake is used to describe any seismic event — whether natural or caused by humans — that generates seismic waves. Earthquakes are caused mostly by rupture of geological faults, but also by other events such as volcanic activity, landslides, mine blasts, and nuclear tests. An earthquake's point of initial rupture is called its focus or hypocenter. The epicenter is the point at ground level directly above the hypocenter.
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