EARTHQUAKES - NVHSEarthScienceKDudenhausen
... • Earthquake waves – there are two main types of seismic waves, surface waves and body waves (P waves and S waves) • Surface waves – seismic waves that travel along the ground, move up and down or side-to-side. Te most destructive of all earthquake waves. • P waves – push-pull waves, they compress ...
... • Earthquake waves – there are two main types of seismic waves, surface waves and body waves (P waves and S waves) • Surface waves – seismic waves that travel along the ground, move up and down or side-to-side. Te most destructive of all earthquake waves. • P waves – push-pull waves, they compress ...
EARTHQUAKES AND SEISMOLOGY Seismology is the study of
... The Richter magnitude scale was developed in 1935 by Charles F. Richter of the California Institute of Technology as a mathematical device to compare the size of earthquakes. The Richter scale assigns a magnitude number to quantify the energy released by an earthquake. This scale is a base-10 logari ...
... The Richter magnitude scale was developed in 1935 by Charles F. Richter of the California Institute of Technology as a mathematical device to compare the size of earthquakes. The Richter scale assigns a magnitude number to quantify the energy released by an earthquake. This scale is a base-10 logari ...
What are seismic waves?
... Arrive at a given point after the P waves Travel only through solids Move through solids at different speeds depending on the density Cause rock particles to move from side to side & up and down ...
... Arrive at a given point after the P waves Travel only through solids Move through solids at different speeds depending on the density Cause rock particles to move from side to side & up and down ...
Lab 2: The Interior of the Earth
... • When an earthquake occurs energy waves radiate out in all directions. These waves are called seismic waves. • Scientist cannot see seismic waves traveling through the Earth but they can detect them with a seismograph. • Seismologists, scientists that study earthquakes, can use the information they ...
... • When an earthquake occurs energy waves radiate out in all directions. These waves are called seismic waves. • Scientist cannot see seismic waves traveling through the Earth but they can detect them with a seismograph. • Seismologists, scientists that study earthquakes, can use the information they ...
File
... or P-waves, travel the fastest, so they are the first to arrive at some other point on Earth’s crust. Secondary waves, or Swaves, arrive next and these tend to cause more damage than P-waves. Although they do not travel as far as primary waves and move at relatively low speeds, surface waves tend to ...
... or P-waves, travel the fastest, so they are the first to arrive at some other point on Earth’s crust. Secondary waves, or Swaves, arrive next and these tend to cause more damage than P-waves. Although they do not travel as far as primary waves and move at relatively low speeds, surface waves tend to ...
MOVEMENT OF EARTH’S CRUST
... A volcano is an opening in a planet’s surface or crust which allows hot magma, volcanic ash, and/or gasses to escape from below the surface. Volcanoes are usually found where tectonic plates are diverging (spreading ...
... A volcano is an opening in a planet’s surface or crust which allows hot magma, volcanic ash, and/or gasses to escape from below the surface. Volcanoes are usually found where tectonic plates are diverging (spreading ...
EarthquakesHnrs2
... Intensity scale Describes damage to structures. Ranges from I (felt by only a few) to XII (total destruction) Modified using California buildings as its standard so usable throughout US and Canada Disadvantages: based on effects, so not only ground shaking, but also population density, building desi ...
... Intensity scale Describes damage to structures. Ranges from I (felt by only a few) to XII (total destruction) Modified using California buildings as its standard so usable throughout US and Canada Disadvantages: based on effects, so not only ground shaking, but also population density, building desi ...
Earthquakes
... and create new oceanic crust. Transform – plates move parallel (side by side) and create earthquakes and faults (cracks). ...
... and create new oceanic crust. Transform – plates move parallel (side by side) and create earthquakes and faults (cracks). ...
Convection current
... • Density-mass/volume. The amount of matter in a given area or volume of that matter. • Fluid-matter that can flow. Can be solids, liquids, or gasses • Convection-heat transfer within a fluid. • Convection current -a current that develops from a fluid moving from an area of high density to an area o ...
... • Density-mass/volume. The amount of matter in a given area or volume of that matter. • Fluid-matter that can flow. Can be solids, liquids, or gasses • Convection-heat transfer within a fluid. • Convection current -a current that develops from a fluid moving from an area of high density to an area o ...
Chapter 5
... Usually occur along a fault More than 1 million per year on the planet Entire fault doesn’t all move at the same time. Energy is released at different places at any one time ...
... Usually occur along a fault More than 1 million per year on the planet Entire fault doesn’t all move at the same time. Energy is released at different places at any one time ...
Earth`s Changing Surface
... Composite or Stratovolcano • A stratovolcano is made of alternating layers of ash and lava. • The hardened lava is the “glue” that keeps the layers from wearing away quickly. ...
... Composite or Stratovolcano • A stratovolcano is made of alternating layers of ash and lava. • The hardened lava is the “glue” that keeps the layers from wearing away quickly. ...
Earthquake_Revised
... Rocks break & move along surfaces called faults When plates move, stress is put on rocks. A rubber band (just like rocks) can only be stretched so far until it breaks; this is known as the elastic limit. Earthquakes are the Earth vibrating. ...
... Rocks break & move along surfaces called faults When plates move, stress is put on rocks. A rubber band (just like rocks) can only be stretched so far until it breaks; this is known as the elastic limit. Earthquakes are the Earth vibrating. ...
Global coupling at 660 km is proposed to explain plate tectonics and
... 2000; Zhang and Herzberg, 1994) relevant for such a mantle, is hundreds of degrees higher than the expected temperatures of an average mantle. In contrast, the presence of partial melt in the low velocity zone (Gutenberg 1948) and possibly in the depth range of 500-1000 km (Kido 1997;Cadek 1998;Mont ...
... 2000; Zhang and Herzberg, 1994) relevant for such a mantle, is hundreds of degrees higher than the expected temperatures of an average mantle. In contrast, the presence of partial melt in the low velocity zone (Gutenberg 1948) and possibly in the depth range of 500-1000 km (Kido 1997;Cadek 1998;Mont ...
Earth`s Interior
... • Impacts, radioactive decay and gravity produced intense heat. • It was a young planet, a glowing ball of melted rock. • In time, the denser materials such as iron and nickel sank towards the center. ...
... • Impacts, radioactive decay and gravity produced intense heat. • It was a young planet, a glowing ball of melted rock. • In time, the denser materials such as iron and nickel sank towards the center. ...
earthquakes
... Surface Waves • Move along the Earth’s surface • Produces motion in the upper crust – Motion can be up and down – Motion can be around – Motion can be back and forth ...
... Surface Waves • Move along the Earth’s surface • Produces motion in the upper crust – Motion can be up and down – Motion can be around – Motion can be back and forth ...
Earthquakes - Blountstown Middle School
... Surface Waves • Move along the Earth’s surface • Produces motion in the upper crust – Motion can be up and down – Motion can be around – Motion can be back and forth ...
... Surface Waves • Move along the Earth’s surface • Produces motion in the upper crust – Motion can be up and down – Motion can be around – Motion can be back and forth ...
chapter 6 earthquakes
... intensity – the amount of damage caused by an earthquake? 1. Magnitude – how strong it is (measured by the Richter scale) 2. Population – the more people are around when it happens the more dangerous it is 3. How much money it costs to repair the damages – the more money it costs the ...
... intensity – the amount of damage caused by an earthquake? 1. Magnitude – how strong it is (measured by the Richter scale) 2. Population – the more people are around when it happens the more dangerous it is 3. How much money it costs to repair the damages – the more money it costs the ...
Geology of the Hawaiian Islands
... Felt only by persons at rest Felt by persons indoors only Felt by all; some damage to plaster, chimneys People run outdoors, damage to poorly built structures Well-built structures slightly damaged; poorly built structures suffer major damage Buildings shifted off foundations Some well-built structu ...
... Felt only by persons at rest Felt by persons indoors only Felt by all; some damage to plaster, chimneys People run outdoors, damage to poorly built structures Well-built structures slightly damaged; poorly built structures suffer major damage Buildings shifted off foundations Some well-built structu ...
Slide 1
... to pinpoint an Earthquake (EQ). 5. Discuss the method most commonly used to measure the magnitude of EQs. ...
... to pinpoint an Earthquake (EQ). 5. Discuss the method most commonly used to measure the magnitude of EQs. ...
Lecture - Ann Arbor Earth Science
... down into the other layers of the Earth, we will continue to rely on the most accurate data we can to create our models. At this point, the most accurate data continues to be data obtained from earthquake seismic waves. As more seismographs are put in place, and more data is reviewed, scientists wil ...
... down into the other layers of the Earth, we will continue to rely on the most accurate data we can to create our models. At this point, the most accurate data continues to be data obtained from earthquake seismic waves. As more seismographs are put in place, and more data is reviewed, scientists wil ...
Astronomy101.march23..
... characterized by low-density, semi-plastic (or partially molten) rock material chemically similar to the overlying lithosphere ...
... characterized by low-density, semi-plastic (or partially molten) rock material chemically similar to the overlying lithosphere ...
4.3 PPT_EQ & Waves
... Move through the Earth at different speeds, depending on the density Called “push-pull” waves (compress and expand the ground like an accordion) ...
... Move through the Earth at different speeds, depending on the density Called “push-pull” waves (compress and expand the ground like an accordion) ...
Name: Date: ______ Period
... 21. A fault that is formed when compression causes the hanging wall to move over the foot wall is called an ______________________. 22. The block of rock that lies above a fault is called the _________________________. 23. A change in the volume or shape of Earth’s crust is called __________________ ...
... 21. A fault that is formed when compression causes the hanging wall to move over the foot wall is called an ______________________. 22. The block of rock that lies above a fault is called the _________________________. 23. A change in the volume or shape of Earth’s crust is called __________________ ...
Document
... – P waves arrive first, then S waves, then L and R – Average speeds for all these waves is known – After an earthquake, the difference in arrival times at a seismograph station can be used to calculate the distance from the seismograph to the epicenter. ...
... – P waves arrive first, then S waves, then L and R – Average speeds for all these waves is known – After an earthquake, the difference in arrival times at a seismograph station can be used to calculate the distance from the seismograph to the epicenter. ...