SLU EAS 193 Homework 02 Submittal Form
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Answer all of the following questions and the click the "submit" button at the bottom of the page (after a few seconds you should receive a reply page confirming your submission).
The questions can be answered from NEIS General Earthquake Information Page
Questions Regarding Recent Major & Great Earthquake Activity
Many times people are lead to believe that earthquake activity is increasing. The US Geological Survey has a page that discusses the issue by looking at the occurrence of large earthquakes in recent decades. Go to The , follow the link the the FAQ (Frequently asked questions) and then read the answer to the answer to the increase in earthquake activity question, and answer the following questions.
The USGS addresses the question of increased activity by examining
Approximately how many events are located each day by the USGS National Earthquake Information Service?
About how many major and great earthquakes do we expect each year?
What is the basis for this estimate of the number of events each year?
In terms of the long-term average (since 1900), were most years between 1971 and 1996 above or below average in the number of major earthquakes?
Questions Regarding An Earthquake Near St. Louis
Now go to the link "Largest Earthquakes, State by State" and find the section that describes the largest earthquake in Illinois (this was also the largest in our area in the last few decades). Read the information about this earthquake.
What year was the earthquake?
What was the maximum intensity of this earthquake?
What was the intensity in St. Louis caused by this earthquake?
The earthquake was felt as far away as
Who was Macelwane?
Our class meets in Macelwane Hall - who was Macelwane? Write a few sentences
in the box beneath that Macelwane. (Hint: look at the "Men & Women of Seismology"
link). If you simply copy and paste from the site, you'll get no credit - briefly summarize the information in two to three sentences.
If you like, enter some comments on the assignment or
the course here (this is not anonymous):
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Prepared by: Charles J. Ammon