A 1989 earthquake in Newcastle, Australia measured 5.5 on the Richter scale. The 1989 San Francisco Earthquake measured 7.1. (a) How much more earth movement was caused by the San Francisco earthquake? (b) How much more energy was released by the San Francisco earthquake?
A 1989 earthquake in Newcastle, Australia measured 5.5 on the Richter scale. The 1989 San Francisco Earthquake measured 7.1. (a) How much more earth movement was caused by the San Francisco earthquake? (b) How much more energy was released by the San Francisco earthquake?
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Question
A 1989 earthquake in Newcastle, Australia measured 5.5 on the Richter scale. The 1989 San Francisco Earthquake measured 7.1.
(a) How much more earth movement was caused by the San Francisco earthquake?
(b) How much more energy was released by the San Francisco earthquake?
![A1
Formulas: M = log A – log Ao
M1 – M2 = log ()
log E - 11.8 + 1.45M
A2
Richter's Standard Earthquake
distance (km)
log of amplitude -1.7 -2.8 -3.0 -3.2 -3.4 -3.6 -3.8 -4.0 -4.2
20
60
100 140
180 220 260 300 340
D = 10 log
Io
Io = 10-16 watts/cm?
10 log
I2
ст
D1 – D2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7727d9c6-dfb9-40b7-aba6-1b64379faeb7%2F01ecf3eb-c33a-4578-9af5-aedbb9f011e7%2Fw1gg9at_processed.png&w=3840&q=75)
Transcribed Image Text:A1
Formulas: M = log A – log Ao
M1 – M2 = log ()
log E - 11.8 + 1.45M
A2
Richter's Standard Earthquake
distance (km)
log of amplitude -1.7 -2.8 -3.0 -3.2 -3.4 -3.6 -3.8 -4.0 -4.2
20
60
100 140
180 220 260 300 340
D = 10 log
Io
Io = 10-16 watts/cm?
10 log
I2
ст
D1 – D2
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