Integrated Science
7th Edition
ISBN: 9780077862602
Author: Tillery, Bill W.
Publisher: Mcgraw-hill,
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Chapter 16, Problem 9CQ
To determine
The ways in which a seismic recording station helps to identify the location of an earthquake.
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Identify and describe the 3 types of Seismic waves.
Recall the formula for calculating the magnitude of an earthquake, M =
E
Eo
earthquake has magnitude 3.9 on the MMS scale. If a second earthquake has 800 times as much energy
log
One
as the first, find the magnitude of the second quake.
Round to the nearest hundredth.
The magnitude of the second earthquake was
Number
On August 17, 1983, an earthquake with a magnitude of 5.3 in the Richter scale hit the province
of llocos Norte. This was the most sever earthquake in North-western Luzon in 52 years and
probably the second largest earthquake to hit Laoag City and its immediate vicinity in historical
times (Source: philvocs.dost.gov.ph). How much energy was released by the earthquake?
8.51 x 107 joules
2.24 x 1012 joules
2.42 x 1012 joules
8.15 x 10' joules
Chapter 16 Solutions
Integrated Science
Ch. 16.1 - Prob. 1SCCh. 16.2 - Prob. 2SCCh. 16.2 - Prob. 3SCCh. 16.2 - Prob. 4SCCh. 16.3 - Prob. 5SCCh. 16.3 - Prob. 6SCCh. 16.3 - Prob. 7SCCh. 16.4 - Prob. 8SCCh. 16.5 - Prob. 9SCCh. 16.5 - Prob. 10SC
Ch. 16.5 - Prob. 11SCCh. 16.5 - Prob. 12SCCh. 16 - Prob. 1CQCh. 16 - Prob. 2CQCh. 16 - Prob. 3CQCh. 16 - Prob. 4CQCh. 16 - Prob. 5CQCh. 16 - Prob. 6CQCh. 16 - Prob. 7CQCh. 16 - Prob. 8CQCh. 16 - Prob. 9CQCh. 16 - Prob. 10CQCh. 16 - Prob. 11CQCh. 16 - Prob. 12CQCh. 16 - Prob. 13CQCh. 16 - Prob. 14CQCh. 16 - Prob. 15CQCh. 16 - Prob. 16CQCh. 16 - Prob. 17CQCh. 16 - Prob. 18CQCh. 16 - Prob. 19CQCh. 16 - Prob. 20CQCh. 16 - Prob. 21CQCh. 16 - Prob. 22CQCh. 16 - Prob. 23CQCh. 16 - Prob. 24CQCh. 16 - Prob. 25CQCh. 16 - Prob. 26CQCh. 16 - Prob. 27CQCh. 16 - Prob. 28CQCh. 16 - Compare the energy released by a small atomic bomb...Ch. 16 - Prob. 2PEACh. 16 - Prob. 3PEACh. 16 - Prob. 4PEACh. 16 - Prob. 5PEACh. 16 - Prob. 6PEACh. 16 - Prob. 7PEACh. 16 - Prob. 8PEACh. 16 - Prob. 9PEACh. 16 - Prob. 10PEACh. 16 - Prob. 1PEBCh. 16 - Prob. 2PEBCh. 16 - Prob. 3PEBCh. 16 - Prob. 4PEBCh. 16 - Prob. 5PEBCh. 16 - Prob. 6PEBCh. 16 - Prob. 7PEBCh. 16 - Prob. 8PEBCh. 16 - Prob. 9PEBCh. 16 - Prob. 10PEB
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- 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.arrow_forwardIf one earthquake has a magnitude of 5 on the Richter scale and a second earthquake has a magnitude of 6, what is the relationship between the intensities of the two earthquakes?arrow_forwardIf the Richter scale is altered so that it compares energy released instead of intensity, the definition of the scale becomes M2 - M1 = LOG31 (E2 / E1). a) If the magnitude of an earthquake is increased by 1 on the scale, by what factor is the energy released multiplied? b) What is the magnitude of an earthquake that releases 200 times the energy of an earthquake with magnitude 4.5? c) How many times greater is the energy released from an earthquake with magnitude 9.0 than that of an earthquake with magnitude 6.5?arrow_forward
- The magnitude M of an earthquake is given. a. Find the earthquake intensity I in terms of the zero-level earthquake intensity lo- b. Find the energy released by the earthquake. M = 7.3arrow_forwardA strong R = 6.2 magnitude earthquake struck off a group of islands, where R is the Richter number. Its intensity is of the form I=aR. Find a. (Enter an exact number.)arrow_forwardIf an earthquake measures 7.9 on the Richter Scale, what is the intensity of this earthquake, relative to a 0-level earthquake? Round off your answer to the nearest integer.arrow_forward
- Calculate the surface wave magnitude MS for an earthquake with IMM of VII, in an area that can be approximated by a circle with radius 20 km for a site at the borders of the given isoseismal. This site is located in the western United States. Compare the ensuing value with the estimations from relationships with other magnitude scales. Calculate the fault surface displacements. Assume that the earthquake mechanism is normal faulting.arrow_forwardOn July 13, 1986, the strongest earthquake known to strike San Diego County registered 5.4 on the Richter scale. It was centered off the coast of Oceanside on the Coronado Bank Fault. a) Determine the amount of energy released in ergs and b) Joules.arrow_forwardA recent magnitude 6.0 Earthquake was recorded. Earthquakes represent a release of energy as a result of the earth's tectonic plates. a) Determine the amount of energy released 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)).arrow_forward
- Calculate the wavelength of earthquake?arrow_forwardThe intensity of a wave of an earthquake is measured as 9 J/m². At a different point 8.6 km away from the first point the intensity is reduced by 20%. At what distance from the centre of the earthquake is the first intensity measured. Please give your result in km with 1 decimal. (The centre of the earthquake, the first point and the second point should all be in one straight line).arrow_forwardWhat is the magnitude in the richter scale of an earthquake that released 10 14 joules of energy?how much more energy does this earthquake release than that of the reference earthquake?arrow_forward
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