Nature of Earthquakes - mcdonough-mbvm
... Primary waves (P-waves) and secondary waves (S-waves) are the two types of body waves ( Figure 1.8). Body waves move at different speeds through different materials. P-waves are faster. They travel at about 6 to 7 kilometers (about 4 miles) per second. Primary waves are so named because they are the ...
... Primary waves (P-waves) and secondary waves (S-waves) are the two types of body waves ( Figure 1.8). Body waves move at different speeds through different materials. P-waves are faster. They travel at about 6 to 7 kilometers (about 4 miles) per second. Primary waves are so named because they are the ...
Earthquakes
... Earthquake Severity • Richter Earthquake Magnitudes Effects • Less than 3.5 Generally not felt, but recorded. • 3.5-5.4 Often felt, but rarely causes damage. • Under 6.0 At most slight damage to well-designed buildings. Can cause major damage to poorly constructed buildings over small regions. • 6. ...
... Earthquake Severity • Richter Earthquake Magnitudes Effects • Less than 3.5 Generally not felt, but recorded. • 3.5-5.4 Often felt, but rarely causes damage. • Under 6.0 At most slight damage to well-designed buildings. Can cause major damage to poorly constructed buildings over small regions. • 6. ...
Earthquake
... deformation, so they must occur within the lithosphere • Where material is ductile, it is able to flow and stick slip behavior does not occur (no earthquakes) • There are also certain locations where faults slip without generating large earthquakes. This kind of slip is called aseismic slip or fault ...
... deformation, so they must occur within the lithosphere • Where material is ductile, it is able to flow and stick slip behavior does not occur (no earthquakes) • There are also certain locations where faults slip without generating large earthquakes. This kind of slip is called aseismic slip or fault ...
Earthquakes
... • The disturbance then spreads out from the epicenter in form of extremely long waves – In the open ocean, the wave height is generally less than 1m – In shallow water, the height can exceed 30 m ...
... • The disturbance then spreads out from the epicenter in form of extremely long waves – In the open ocean, the wave height is generally less than 1m – In shallow water, the height can exceed 30 m ...
Notes-Earthquakes
... - Failed rifts are ancient to modern features where continental rifting began, but then failed to continue. - Rifts are distinct from Mid-ocean ridges, where new oceanic crust and lithosphere is created by seafloor spreading. - In rifts, no crust or lithosphere is produced. If rifting continues, eve ...
... - Failed rifts are ancient to modern features where continental rifting began, but then failed to continue. - Rifts are distinct from Mid-ocean ridges, where new oceanic crust and lithosphere is created by seafloor spreading. - In rifts, no crust or lithosphere is produced. If rifting continues, eve ...
Seismic tomography - Italo Bovolenta Editore
... the human body, called computerized axial tomography (CAT). CAT scanners construct threedimensional images of organs by measuring small differences in X rays that sweep the body in many directions. Similarly, geologists use the seismic waves from earthquakes recorded on thousands of seismographs all ...
... the human body, called computerized axial tomography (CAT). CAT scanners construct threedimensional images of organs by measuring small differences in X rays that sweep the body in many directions. Similarly, geologists use the seismic waves from earthquakes recorded on thousands of seismographs all ...
What is an earthquake?
... Earthquake Severity • Richter Earthquake Magnitudes Effects • Less than 3.5 Generally not felt, but recorded. • 3.5-5.4 Often felt, but rarely causes damage. • Under 6.0 At most slight damage to well-designed buildings. Can cause major damage to poorly constructed buildings over small regions. • 6. ...
... Earthquake Severity • Richter Earthquake Magnitudes Effects • Less than 3.5 Generally not felt, but recorded. • 3.5-5.4 Often felt, but rarely causes damage. • Under 6.0 At most slight damage to well-designed buildings. Can cause major damage to poorly constructed buildings over small regions. • 6. ...
Unit 3 - Mahalakshmi Engineering College
... Focus is an exact location within the earth where seismic waves are generated by sudden release of stored elastic building. It is called as hypocenter. 22. What is accelerogram? A graph plotted between acceleration of ground and time is called accelerogram. The nature of accelerogram’s may vary depe ...
... Focus is an exact location within the earth where seismic waves are generated by sudden release of stored elastic building. It is called as hypocenter. 22. What is accelerogram? A graph plotted between acceleration of ground and time is called accelerogram. The nature of accelerogram’s may vary depe ...
Earthquakes-Guide-Notes-Answer-Key
... The Gap Hypothesis The gap hypothesis is a hypothesis that states that sections of active faults that have had relatively few earthquakes are likely to be the sites of strong earthquakes in the future. ...
... The Gap Hypothesis The gap hypothesis is a hypothesis that states that sections of active faults that have had relatively few earthquakes are likely to be the sites of strong earthquakes in the future. ...
South China Sea - The Oceanography Society
... distinctive features in satellite imagery of the sea surface and appear as bands of light and dark patterns that form a two-dimensional snapshot at a fixed point in time of the wave positions in the South China Sea. While the in situ measurements acquired during each of the field programs produced d ...
... distinctive features in satellite imagery of the sea surface and appear as bands of light and dark patterns that form a two-dimensional snapshot at a fixed point in time of the wave positions in the South China Sea. While the in situ measurements acquired during each of the field programs produced d ...
earthquake
... Other Dangers Landslides • With many earthquakes, the greatest damage to structures is from landslides and ground subsidence, or the sinking of the ground triggered by vibrations. ...
... Other Dangers Landslides • With many earthquakes, the greatest damage to structures is from landslides and ground subsidence, or the sinking of the ground triggered by vibrations. ...
Tsunamis
... • Sometimes weather events such as hurricanes or cyclones (with high winds) can cause storm surges which look similar to a tsunami but are not true tsunamis. ...
... • Sometimes weather events such as hurricanes or cyclones (with high winds) can cause storm surges which look similar to a tsunami but are not true tsunamis. ...
Ocean Vocabulary matching and fill in practice
... A. tides with minimum daily tidal range that occur during the first and third quarters of the moon B. An ocean current formed when steady winds blow over the surface of the ocean. C. Highest point of a wave D. An abnormal climate event that occurs every 2 to 7 years in the Pacific Ocean, causing cha ...
... A. tides with minimum daily tidal range that occur during the first and third quarters of the moon B. An ocean current formed when steady winds blow over the surface of the ocean. C. Highest point of a wave D. An abnormal climate event that occurs every 2 to 7 years in the Pacific Ocean, causing cha ...
Earthquakes
... rebound occurs when more stress is applied to rock than the rock can withstand. During elastic rebound, rock releases energy that causes an earthquake. ...
... rebound occurs when more stress is applied to rock than the rock can withstand. During elastic rebound, rock releases energy that causes an earthquake. ...
File - Sciences and Discoveries in Europe
... Earthquakes are one of the most deadly forces of nature. They can occur any time anywhere and cause mass destruction and deaths. ...
... Earthquakes are one of the most deadly forces of nature. They can occur any time anywhere and cause mass destruction and deaths. ...
Shaking Ground
... took so many lives in the recent earthquake that shook Central America. In this case, in fact, mudslides were the most significant destructive force, claiming hundreds of lives. ...
... took so many lives in the recent earthquake that shook Central America. In this case, in fact, mudslides were the most significant destructive force, claiming hundreds of lives. ...
Ch06_Restless Earth Earthquakes
... waterlogged materials to behave like a fluid – During liquefaction stable soil becomes mobile and rises to the surface ...
... waterlogged materials to behave like a fluid – During liquefaction stable soil becomes mobile and rises to the surface ...
SARSIA
... Results from the field experiment must be applied with caution. Inhomogeneties of bottom topography and kelp distribution inhibit a clear separation of effects of refraction and reflection of wave energy and damping due to kelp stands. Waves have different directions of propagation and that must als ...
... Results from the field experiment must be applied with caution. Inhomogeneties of bottom topography and kelp distribution inhibit a clear separation of effects of refraction and reflection of wave energy and damping due to kelp stands. Waves have different directions of propagation and that must als ...
TSUNAMI GLOSSARY
... gradually underneath the water, before meeting up with the continental slope, which then makes a sharp descent to the deep ocean floor. When a tsunami wave reaches the continental shelf it becomes most dangerous, because the sudden loss of water depth pushes the waves to their greatest heights. The ...
... gradually underneath the water, before meeting up with the continental slope, which then makes a sharp descent to the deep ocean floor. When a tsunami wave reaches the continental shelf it becomes most dangerous, because the sudden loss of water depth pushes the waves to their greatest heights. The ...
What is an Earthquake? Seismicity Faults and Earthquakes
... This displaces all the overlying water (up or down). Resulting in a giant mound (or trough) on the sea surface. – This feature may be enormous (up to a 10,000 mi2 area). – The surface feature quickly collapses, creating waves that race rapidly away from the disturbance. ...
... This displaces all the overlying water (up or down). Resulting in a giant mound (or trough) on the sea surface. – This feature may be enormous (up to a 10,000 mi2 area). – The surface feature quickly collapses, creating waves that race rapidly away from the disturbance. ...
Word format
... Write your name out in full on the scantron form and fill in the corresponding ovals to spell out your name. Also fill in your student ID number in the space provided. Do not include the dash and do not leave any spaces. Make sure you have all 8 pages of the exam. There are 55 questions. For each qu ...
... Write your name out in full on the scantron form and fill in the corresponding ovals to spell out your name. Also fill in your student ID number in the space provided. Do not include the dash and do not leave any spaces. Make sure you have all 8 pages of the exam. There are 55 questions. For each qu ...
How Waves Reveal Internal Structure of the Earth.
... Remember that we are talking about observations of arrival time of wave. What controls when, say, an automobile leaving Americus will get to some destination? That will depend, of course, on 1) how far away the destination is, and 2) on how fast the car is driven – distance and speed. It’s the same ...
... Remember that we are talking about observations of arrival time of wave. What controls when, say, an automobile leaving Americus will get to some destination? That will depend, of course, on 1) how far away the destination is, and 2) on how fast the car is driven – distance and speed. It’s the same ...
3_Earthquakes
... Structural damage caused by EQs can be due to: 1. Intensity and Duration of vibrations 2. Nature of Materials upon which structures rest 3. Design of Structures Ex. 1964 Anchorage AK EQ – ground shaking was important 1556 China EQ – structures were built on loess (fine silt), which collapses easily ...
... Structural damage caused by EQs can be due to: 1. Intensity and Duration of vibrations 2. Nature of Materials upon which structures rest 3. Design of Structures Ex. 1964 Anchorage AK EQ – ground shaking was important 1556 China EQ – structures were built on loess (fine silt), which collapses easily ...
Analysis of wave heights and wind speeds in the Adriatic Sea
... Sea. The Adriatic serves as a shipping route towards central Europe and a food and energy source for surrounding countries. Wave and wind climate information can serve as basis for design, research and policy making regarding ship safety and operability, potential renewable energy exploitation, desi ...
... Sea. The Adriatic serves as a shipping route towards central Europe and a food and energy source for surrounding countries. Wave and wind climate information can serve as basis for design, research and policy making regarding ship safety and operability, potential renewable energy exploitation, desi ...
Rogue wave
Rogue waves (also known as freak waves, monster waves, killer waves, extreme waves, and abnormal waves) are relatively large and spontaneous surface waves that occur far out in open water, and are a threat even to large ships and ocean liners.They present two kinds of danger: although rare, they are unpredictable, and may appear suddenly or without warning, and they can impact with tremendous force (a 12 meter wave in the usual ""linear"" model would have a breaking force of 6 million tons per square metre (MT/m2); modern ships are designed to tolerate a breaking wave of 15 MT/m2), but a rogue wave can dwarf both of these figures with a breaking force of 100 MT/m2.In oceanography, rogue waves are more precisely defined as waves whose height is more than twice the significant wave height (Hs or SWH), which is itself defined as the mean of the largest third of waves in a wave record. Therefore, rogue waves are not necessarily the biggest waves found on the water; they are, rather, unusually large waves for a given sea state. Rogue waves seem not to have a single distinct cause, but occur where physical factors such as high winds and strong currents cause waves to merge to create a single exceptionally large wave.Rogue waves can occur in other media than water. In particular, optical rogue waves allow study of the phenomenon in the laboratory. A 2015 paper studied the wave behavior around a rogue wave, including optical, and the Draupner wave, and concluded that ""rogue events do not necessarily appear without a warning, but are often preceded by a short phase of relative order"".