located in Prince William Sound‚ 75 miles east of Anchorage. This earthquake was and still is the second larges earthquake ever recorded (Christensen). The plates involved In this major earthquake were the Pacific plate and North American plate. This subduction zone is know as Aleutian-Alaska megathrust zone (Sokolowski). This region was known for its active plate tectonics‚ but this earthquake did come as a surprise to the public and scientists in the area. About 200-250‚000 kilometers squared of the
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The December 2004 Earthquake in Northern Sumatra‚ Indonesia Sarah Loiacano November 16‚ 2010 Geology Section H004 On December 26‚ 2004‚ mass destruction and devastation was the result of a large earthquake off of the West Coast of Northern Sumatra‚ Indonesia. The earthquake began in the early morning on Sunday at 7:58:53 AM‚ and wreaked havoc on thousands in the affected areas. BBC News reported on the earthquake‚ stating that “Sunday’s tremor – the fourth largest since 1990 – had a particularly
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Outline Format Introduction 1. Over 70% of Japan consists of mountains. The country also has over 200 volcanoes. Raised floors help indicate when to take off slippers or shoes. At the entrance to a home in Japan‚ the floor will usually be raised about 6 inches (15.24 cm.) indicating you should take off your shoes and put on slippers. If the house has a tatami mat room‚ its floor may be raised 1-2 inches (2.54-5.08 cm.) indicating you should take off your slippers. 2. Interested. 3. Tonight I
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“EVALUATE HOW PLATE TECTONICS THEORY HELPS OUR UNDERSTANDING OF THE DISTRIBUTON OF SEISMIC AND VOLCANIC EVENTS” In this essay I am going to look in detail at plate tectonic theory and how it can be used to explain seismic and volcanic events worldwide. However‚ I will also look at other potential causes of these events‚ and some evidence that does not follow the theory that all these events are caused by plate boundaries. I am going to look at a range of case studies from differing scales
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All of these small pieces of rock collect as sediment at the bottom of seas and oceans. The sediment slowly solidifies into rock and is sometimes drawn back down into the mantle at subduction zones or reaches the surface again as sea levels change or plates collide(http://www.uen.org/)." The process of how rocks are form is time taking. So the next time when I see a rock on the sideway‚ I will relate how many old is the rock or how long
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eruptions have occurred in such a short period of geologic time. The Galapagos Islands are located on the equator west of the South American coast. Like many oceanic islands‚ they are formed by a mantle plume or hotspot like Hawaii. A major subduction zone currently sits under the islands‚ the two plates that are subducting beneath the South American and Caribbean plates are the Nazca and the Cocos plates. The Galapagos were created by the Cocos and the Nazca plate‚ which are currently moving
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6th Grade Science Vocabulary List 1. Qualitative Observation- To study by using the 5 senses- things you see‚ hear‚ feel‚ smell‚ and taste. 2. Quantitative Observation- to study and look for numbers-measurements‚ values‚ and quantities. 3. Dependent Variable- the variable a scientist observes or measures during an experiment. 4. Independent Variable- The factor that is changed by the investigator to observe how it affects the dependent variable.
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Info and Causes Time and date was December 26‚ 2004‚ at 07:58:50 local time. The magnitude of the earthquake was 9.2 for 5 minutes. This was one of the most powerful earthquakes for 100 years. The fault ruptured on the subduction zone of the Indian (Eurasian) plate and the Sunda plate (Indonesian plate). The plates usually move 6.2cm per year. The epicentre was 20 kilometres deep under the sea(very shallow!)‚ 250km off the coast of Indonesia near the city of Banda Ache. The earthquake
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Of all terrestrial planets we know of‚ Mercury’s geology is the most unknown. This is because of its closeness to the sun‚ making human observation via spacecraft and from Earth very difficult. There are many craters on Mercury that are made from a particular impact. There is also balsatic rock and plains which are made in the event of a massive volcanic eruption. There are also vents‚ made when a magma chamber collapses. Mercury’s density has produced a solid iron core that accounts for 60% of its
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Chapter One The theory of plate tectonics explains how forces within the planet create landforms. This theory views Earth’s crust as divided into more than a dozen‚ rigid‚ slow-moving plates. Some plates are as large as a quarter of the planet‚ but others are only a few hundred miles across. The plates slowly move across the upper mantle‚ usually less than an inch per year. Scientists use the theory of plate tectonics to explain the long history of Earth’s surface. They believe that about a few
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