Geophysics
The study of Earth using the combination of Geology and Physics, it lets us understand what is going on under the Earth's surface. Find questions on different types of seismic activities such as earthquakes and volcano eruptions here.
Total questions 8700
ID2833096058
asked What is the earth's inner core of the earth made of and said it was different from What is the inner core of the Earth made of 25 May 2012 16:50
ID3406705710
wrote the first answer to How do people study tsunamis 25 May 2012 06:27
Jones1rocks (supervisor) [1563]
merged the question What is made up of the earth's crust and mantel material into What is the mantle and the crust made of 25 May 2012 02:35
ID0405197127
asked How do people study tsunamis and said it was different from How do scientists study tsunamis 25 May 2012 00:16
The Short Answer: Some of it was here when the earth was made (but locked into the rocks as hydrates ... much of that released as...
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The equatorial circumference is about 40,075 kilometers (24901 miles). The polar circumference is about 40,008 kilometers (24860...
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The melting point of materials varies depending on the applied pressure. As pressure increases so to does the melting...
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The hypothesis that the continents slowly move across Earth's surface.
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in Pakistan 73,276 died.death in the muzaffarabad district was 33,724.17,000 children were killed14 people died in...
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Auroras are caused by radiation from the sun, called solar wind, interacting with Earth's magnetic field. Since the magnetic...
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The particles are to heavy for the air to carry them. I hope this answer your question:)
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What caused this obliquity (axial tilt) is still not clearly understood - and probably never will be. During the early periods...
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Fluorite is a non-silicate mineral.
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The temperature of Earth's crust can range from -70 degrees Fahrenheit to +750 degrees Fahrenheit depending on location and...
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tectonic plates
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hi
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His ideas where not generally believed because he was an astronomer and meteorologist. Also scientists believed the earth was...
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The inner core is believed to be composed of a solid iron and nickel alloy (mixture) along with some other minor elements. It is...
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no. earthquakes are set off by sudden movements in the earths crust
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you will die just saying
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The lithosphere is the solid, rocky layer covering the entire surface of the planet, composed of the crust and the hard uppermost...
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Continental Drift is the name of a theory, developed by German meteorologist and geologist Alfred Wegener (1880-1930), asserting...
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A bachelor's degree is adequate for a few entry-level positions, but most geoscientists need at least a master's degree in...
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Wegener proposed the continental drift theory, and provided scientific evidences for such, but couldn't explain the mechanism or...
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A storm surge is slight rise in the ocean associated with a tropical cyclone, which manifests itself as a large rise in water...
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Sedimentary rock can be formed in various ways, and is classified by the method of formation or content. Broadly, sedimentary...
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Sunlight that has been reflected [or re-directed] from some-where's else.
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Continental drift referred to the concept that the Earth's continents were once part of a large supercontinent and had...
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Methods of Sedimentary Rock Formation #1. The classic route begins with the weathering and erosion of sedimentary, igneous, or...
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Most fossils are preserved plant or animal bodies living in or near water. There are no animals or plants which can live in...
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The second most abundant element in the Earth's crust is silicon, comprising 27.8% of the crust by mass.
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No. Only the outer core is molten.
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AnswerTemperature can range from 0-700°C; average temperature is 25°C
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The inner core is composed of an iron and nickel alloy (mixture) along with some other minor elements. It is not made up of...
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Earth's lithosphere, its rigid outer shell, generally represents the solid state of matter.
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Earnings are dependent upon occupational specialty in this field. According to the U.S. Occupational Handbook, earnings can...
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The temperature of Earth's core can only be estimated using mathematical and geophysical models, and the current (2011) estimated...
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Its a company in India that collects and interprets data related to the earth's surface and the soils and rocks beneath and...
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No, there are billions of tons of basalt throughout the world.
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The asthenosphere is variously estimated as being from fifty to several hundred miles (eighty-five to several hundred kilometers)...
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Three types of plate boundaries are convergent, transform, and divergent.
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No, all sedimentary rocks can be eroded and shale is characterised by very fine laminations. Hence the shale breaks easily along...
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The most accepted theory is that it came from space in metheors, there's no way to know for sure since none of us where alive...
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The aurora is a glow observed in the night sky, usually in the polar zone. For this reason some scientists call it a "polar...
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its means when rocks mix
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Switzerland has come up to the top of all countries only because they do more vast studies of avalanches and are more prepared.
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It depends, of course, in where you dig. You are probably going to hit both, but in what order and at what depth is dependent on...
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can range from 3982 degrees Celsius to 5000 degrees
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Center of the earth? Mercury? The Sun?
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Hurricane Katrina started on August 23 2005 and ended at August 30 2005.
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The pressures from surrounding material is so intense that despite the high temperatures, the metals of the inner core cannot...
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1. The classic route begins with the weathering and erosion of sedimentary, igneous, or metamorphic rocks. Through these...
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Consisting of over seven thousand islands, experiencing near daily earthquakes, and being located on the Ring of Fire, the...
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The inner core is hotter. The outer core is composed of liquid iron and nickel along with small amounts of lighter elements,...
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His idea was not accepted because people back then did not believe that the plates could move. They also thought you could fall...
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Urbanisation is when the flood water cannot go through the concrete because it is impermeable and deforestation is when trees are...
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That's a great question, and a very important one, because it's so widely mis-understood. Imagine a gigantic dinner plate ... I...
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Lots of ammonia, methane, nitrogen, sulfur oxides, and CO2, but little oxygen. *Eventually the blue-green algae (cyanobateria)...
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Island arcs and chains, sedimentary fossils at the top of the Himalayas, rift valleys, mid-oceanic ridge, ages of rocks in...
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cold and warm fronts occludede and stationary fronts
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Because he didnt have enough "scientific" eviedence
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relief is the difference in elevation of a land form from it's lowest point to it's highest point.topography is the combination...
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Gemstones are mineral crystals that have the desirable characteristics of hardness, color, and clarity, and are usually formed...
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D. Magnetic reversals
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Fluctuations in the magnetic field cause the Magnetic North Pole to constantly move in an irregular path around its average...
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If the Earth were flat, we would expect a curvature rate of zero inches per mile. As it is, the Earth is not flat, and it's...
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By measuring the difference in arrival times at a seismometer station they can be used to determine the distance to the epicentre...
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Continental drift refers to the movement of the Earth's continents relative to each other. The theory was first proposed by Frank...
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In drought conditions or where the supply of groundwater is cut off, a geyser will become inactive or extinct.
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The convection currents are a result of heat from the interior of the Earth. The rock of the upper mantle known as the...
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The winter solstice (and the summer solstice) ocur for a very interesting reason. The sun 'moves' around the earth in a path that...
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The deepest man-made hole in the Earth is located in the Kola Peninsula in northwestern Russia. The depth achieved from the...
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Mudflows could very well be an agent of erosion. Their massive weight will move anything in their path. Rocks right up to...
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how the continents move
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The earth (and other planets) are spherical because the force of gravity organized them and they took this form as a preference....
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The similarity between colliding and separating tectonic plates is that both are areas of geologic instability. Also, the two...
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Oxygen is most abundant in rock, as an elemental component of minerals.
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Seismic crews create hundreds of small earthquakes using explosives and other energy sources. These vibrations are precisely...
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Because the Analyzed waves converted into the constant force of Consulted Created forces which Escalated into Formatted and...
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The three types of Earth faults defined in the plate tectonics theory within Earth Science are: 1) Normal, or convergent...
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I am assuming that you meant 'If Earth's magnetic field collapsed for a few seconds' If that's the case then nothing much would...
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A geothermal source is, quite literally, a source of heat from the earth. (Geo means the earth, and thermal means heat.)
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the variety of soils and the climates in which they are found
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long shore drift goes in the direction of the prevailing wind and only happens if the prevailing wind is blowing into the coast...
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A little background first. When an earthquake wave arrives at a seismograph station, the first wave to hit is called the P wave....
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Tornado's over water are referred to as Waterspout, and are far weaker than their land based counterparts, but are still classed...
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The Aurora Borealis is a display of colored lights in the sky, also called northern lights, caused by the interaction of...
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The idea that the continents were once one super-continent and subsequently moved apart is the basis of the theory of continental...
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The temperature of Earth's crust can range from -70 degrees Fahrenheit to +750 degrees Fahrenheit depending on location and...
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How "FAR" a stream runs has no bearing on the purification factor! Too many variables to consider.
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distance to the epicenter of an earthquake. [:
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