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9. Which of the following statements about Richter scale is CORRECT?
(1) It measures the magnitude of earthquakes.
(2) People can feel an earthquake only when it reaches a Richter scale of more than 5.
(3) The highest Richter scale is 9.
A. (1) only
B. (1) and (2) only
C. (2) and (3) only
D. (1), (2) and (3)
F.2 Geog
2006-12-21 5:58 pm
回答 (1)
2006-12-21 6:07 pm
✔ 最佳答案
1. true2. People can feel it at about scale 3, so this is wrong.
3. There have been 3 earthquakes that exceeded scale 9 since 1900.
Chile 1960 05 22 scale 9.5
Alaska1964 03 28 scale 9.2
Sumatra (南亞海嘯那一次) 2004 12 26 scale 9.1
So this is also wrong.
The answer is
A. (1) only
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