16. When and where in the conterminous United States (the lower 48 states) was t
ID: 117016 • Letter: 1
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16. When and where in the conterminous United States (the lower 48 states) was the most recent earthquake of magnitude 2.5 or greater? What was its magnitude? 17. How many total earthquakes occurred in the conterminous United States in the past 24 hours? 18. Zoom out to the world view. How many earthquakes occurred globally in one day? Click the "show legend" button at the bottom. Using the settings button (gear in upper right) to change to 7 days and adjust the magnitude... 19. How many earthquakes of all magnitudes occurred over the last seven days? How many with magnitudes greater than 4.5? 20. What can you say about the relationship between the magnitude of earthquakes and their frequency?Explanation / Answer
16. Recent earthquake in the US has a magnitude of 3.2, located 68km NNE of Dixon lane, Meadow Creek, California.
17. A total number of 41 earthquakes of magnitude 2.5 and up occurred in the US in the last 24 hours.
18. According to the U.S. Geological Survey using data going back to 1900, there are over 14,000 earthquakes of magnitude 4 or greater every year. That works out to be approximately 40 per day.
19. There have been 704 earthquakes in the past one week. 154 earthquakes have a greater magnitude than 4.5.
20. Since, frequency is inversely proportional to the magnitude, we can tell that earthquakes of higher magnitude are less frequent as compared to those earthquakes of lower magnitude.
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