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seismic tomography
seismic tomography

... equipment. Seismometers are not like the drum and pen recording systems you might see at a museum. 2 Modern seismometers instead contain delicate moving parts inside a metallic case that is the size of a gallon paint can. 3 The seismometer and its electronics are placed in an insulated plastic tube. ...
Unit 1 Motion and Forces
Unit 1 Motion and Forces

... • Friction is the force that opposes motion between two surfaces touching each other • There are 3 types: • 1. static = not moving • 2. sliding = pushing a heavy box across the floor • 3. rolling = your car spinning its wheels on the ice ...
5.1 - Mass/Spring Systems
5.1 - Mass/Spring Systems

... After a mass is attached to a spring, it stretches the spring by an  amount s to an ____________________  ____________ where it’s  weight W is balanced by the restoring force  F  ks .  Weight is defined by ____________ times ______________.  _______________ can be measured in  ...
Chapter 8 - Earthquakes
Chapter 8 - Earthquakes

... Earth where the earthquake begins along the fault. • Epicenter – The point on the Earth’s surface located directly above the focus. ...
Document
Document

... Initially, the mass is released 1 ft below equilibrium with a downward velocity of 5 ft/s, and motion is damped by a force numerically equal to 2 times the instantaneous velocity. If motion is driven by an external force f (t) = 12cos 2t + 3sin 2t, find the equation of motion. ...
HW8 - Bryn Mawr College
HW8 - Bryn Mawr College

... or mass of the caris halfway between the front and rear wheels and.is .2 ft above the ground. The wheels are 8 ft apart. Find the normal force exerted by the road on the front wheels and on the rear wheels. ...
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TROMINO : the New Generation of Seismic Noise Acquisition Systems
TROMINO : the New Generation of Seismic Noise Acquisition Systems

Geology 412-001: Crustal Geophysics Spring 2007
Geology 412-001: Crustal Geophysics Spring 2007

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Presentation

... is from the station that recorded it: •Need distance from 3 different stations in order to determine location •Point where all 3 circles meet is location of epicenter ...
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Earthquake Notes

Study Guide Chapter 4 – Earthquakes GPS: S6E5. Students will
Study Guide Chapter 4 – Earthquakes GPS: S6E5. Students will

Earthquakes - ESCI 101 - Introduction to Earth Science
Earthquakes - ESCI 101 - Introduction to Earth Science

Chapter 12 Earthquakes
Chapter 12 Earthquakes

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Geology of the Hawaiian Islands
Geology of the Hawaiian Islands

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Research Activities:  Jer-Ming Chiu
Research Activities: Jer-Ming Chiu

... deformation and tectonic evolution of converging continental and oceanic plates images of anomalous areas associated with geothermal and volcanic activities images of active faults and their tectonic implications as well as blind faults beneath sedimentary basins an efficient and reliable single ear ...
Earthquakes
Earthquakes

... Using vibrator trucks to shake the ground, and listening with an array of geophones, petroleum engineers can determine oil-rich layers. ...
Earthquakes
Earthquakes

... waves are the slowest, but they cause the most destruction in an earthquake. These waves shake the earth in a rolling motion, much like at wave in the ocean. Click here to see a surface wave in action: PBS.org ...
Finding the epicenter of an earthquake Background Information
Finding the epicenter of an earthquake Background Information

... can also travel through the solid parts of the earth, but not through liquid or molten material. Seismic stations throughout the world can detect distant earthquake waves. The key is to determine, from the seismograph reading, the time lapse between the arrival of the first P-wave and the first S-wa ...
learning targets for
learning targets for

... 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 teaching tool, easily to understand and a quality piece of work. ...
learning targets for
learning targets for

... 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 teaching tool, easily to understand and a quality piece of work. ...
Relativity, Inertia, and Equivalence Principle
Relativity, Inertia, and Equivalence Principle

... in constant relative motion (an inertial reference frame) Any accelerating system is non-inertial, there would be break in symmetry (a “special” direction would be established) If motion in one dimension is not acceleration, then we can consider an inertial frame along that direction – consider plan ...
What happens in an earthquake?
What happens in an earthquake?

... Activity 2 - What happens when an earthquake occurs? • Watch the Boardworks animation (next 5 slides). Look carefully at what happens in an earthquake • Take notes using the key words • Now describe in a paragraph what happens when an earthquake occurs… EXTENSION - Make sure you use the following w ...
earthquake ppt
earthquake ppt

Ch. 2-3
Ch. 2-3

< 1 ... 338 339 340 341 342 343 344 345 346 ... 349 >

Seismometer

Seismometers are instruments that measure motion of the ground, including those of seismic waves generated by earthquakes, volcanic eruptions, and other seismic sources. Records of seismic waves allow seismologists to map the interior of the Earth, and locate and measure the size of these different sources.The word derives from the Greek σεισμός, seismós, a shaking or quake, from the verb σείω, seíō, to shake; and μέτρον, métron, measure and was coined by David Milne-Home in 1841, to describe an instrument designed by Scottish physicist James David Forbes.Seismograph is another Greek term from seismós and γράφω, gráphō, to draw. It is often used to mean seismometer, though it is more applicable to the older instruments in which the measuring and recording of ground motion were combined than to modern systems, in which these functions are separated.Both types provide a continuous record of ground motion; this distinguishes them from seismoscopes, which merely indicate that motion has occurred, perhaps with some simple measure of how large it was.The concerning technical discipline is called seismometry, a branch of seismology.
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