In marine seismic exploration, a seismic source such as an air gun or water gun is used to generate seismic energy. All seismic sources deployed in the water have what feature in common? a. They generate P-waves only b. They generate S-waves only c. They generate both P and S waves d. They generate both P and SV waves
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In marine seismic exploration, a seismic source such as an air gun or water gun is used to generate seismic energy. All seismic sources deployed in the water have what feature in common?
a. They generate P-waves only
b. They generate S-waves only
c. They generate both P and S waves
d. They generate both P and SV waves
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- These are the waves: Wave 1: wavelength = 100 m Wave 2: wavelength = 64 m Wave 3: wavelength = 100 km (100,000 m) (Note - look at the long wavelength of this wave. It is a tsunami.) Wave 4: wavelength = 100 m wave period 20 sec (Note: shallow/deep water is not applicable for this wave) - water depth = 4000 m ----- wave height = 10 m water depth = 16 m -------- wave height = 5 m water depth = 3600 m ------ wave height = 10 m wave height = 10 m wave height = 10 m Wave 5: wave period = 10 sec (Note: assume that this one is a deep water wave) 2.- Answer the following questions: Wave 1: wavelength = 100 m 1. Is this a shallow or deep water wave? type your answer... water depth = 4000 m 3.- 8.- water depth = 4000 m type your answer... Wave 2: wavelength = 64 m water depth = 16 m 4. Is this a shallow or deep water wave? type your answer... 5.-----------What is the speed of the wave in meters/second? type your answer... 6.-----------What is the equation you used? Wave 3: wavelength = 100 km…3. An earthquake waves speed is recorded at 5 km/s. (Convert from km to m.) If it has a frequency of 850 Hz, what is the length of the seismic wave? E Click here Click here Click here Click here Click hereWhat is Elasticity and deformation? Give two examples of elasticity and deformation from the activity or events you have had in your daily life
- 1) Describe the interior of the earth. Label and list all the layers. Explain how the earth’s megnatic field is formed. ( This is question from PH-111)If you become trapped inside a structure during an earthquake what should you do?Exercices Je renforce mes connaissances 5 Une voiture A est arrêtée à un feu rouge. Le feu devient vert et A démarre. Au même moment, une deuxième voiture B la dépasse, roulant à vitesse constante. Leurs courbes de vitesse en fonction du temps sont représentées sur la même figure ci-dessous. 1) Quelle est la nature du mouvement de chaque voiture ? 2) Combien de temps la voiture A a-t-elle mis pour avoir la même vitesse que la voiture B ? A ce moment, quelle est la distance parcourue par la voiture B ? v (km/h). VA (t) 60- VB (t) 40 20- t (10 h) 0. 6. 8. 10 12 14 16 18
- 5. The "iceberg analogy" for the isostatic equilibrium of the continental crust turns out to be quite the relative density of icebergs versus seawater is close to the relative density of continental crust versus mantle. Glacial ice is about 15% less dense than seawater; likewise continental crust is about 15% less dense than the mantle. This leads to a simple rule that we can call the 1-to-8 rule: for every 1 unit of extra elevation for an iceberg or a mountain belt, there need to be 8 units of total thickness. These iceberg examples illustrate the idea: an iceberg 3 meters above sea level is 24 meters thick an iceberg 1 meter above sea level is 8 meters thick an iceberg 2 meters above sea level is 16 meters thick 3m 2m water level 1m >7m 14m 21m For the following questions, apply the 1-to-8 rule, assuming continental crust in isostatic equilibrium. a. Continental crust at sea level averages about 35 kilometers thick. (1 km = 0.6 miles.) Therefore, in general, how thick must the crust…A wave field is observed by satellite. The wave lengths are determined to be 312 m in deep water and 200 m over the continental shelf. What is the shelf depth? (The answer posted for this question was incorrect.)According to the LA Times news report, a moderate magnitude 3.6 earthquake centered near the Granada Hills neighborhood occured on Jan 22, 2020. Use scientific notation in your final results to a) Refer to the Mercalli scale above to identify the intensity level, shaking and description/damage of the earthquake. b) Draw a cross sectional sketch of the earth identifying the FOCUS and epicenter of the earthquake. c) Determine the amount of energy released in ergs and d) Joules.
- On Dec 4, 2021 a volcano, Mt. Semeru erupted in Indonesia near Java in the Pacific Ocean in an area known as the Ring of Fire. The Ring of Fire is a string of volcanoes and sites of seismic activity, or earthquakes, around the edges of the Pacific Ocean. Deep Ocean trenches and high mountain ranges are also part of the Ring of Fire. Match the tectonic plate boundary condition with the earth's geologic feature in the lithosphere. * (Convergent Boundary)(Divergent Boundary)(Transform Boundary) : Match these with the below: San Andreas Fault Marianas trench High Mountain Ranges Subduction Java (Sunda) trench Formation of Island Chains Mid-Atlantic Ridge…According to the infographic above a recent magnitude 5.4 Earthquake was recorded. Earthquakes represent a release of energy as a result of the earth's tectonic plates. a) Determine the amount of energy release in ergs. b) Determine the energy release in Joules. ( Hint use the earthquake formula M = 2/3 log (E/ 10^11.8); where M is the earthquake magnitude and E is the energy of the earthquake in ergs (recall 1 erg = 10^-7 Joules)). c) Using the earthquake magnitude scale below to qualitatively categorize (was it Minor, Light, Moderate, Strong, Major or Great) and describe the earthquake (what kind of damage is expected from a magnitude 5.4 earthquake).I need Correct answer,If you provide wrong answer. It will be reported