Epicenter Answer Sheet

Suggestion #1
A. Where did the earthquake occur? Please give latitude and longitude (look at "Show coordinates" under the Options menu), and the name of the continent.


B. On what type of a plate margin did this earthquake occur? Look at "Show map legend" under the Options menu.


C. What is the average time value for when this earthquake occurred? Look at "Show EQ time" under the Options menu.


Go to Suggestion #2
A. Where did the earthquake occur? Please give latitude and longitude, and the name of the continent.


B. On what type of a plate margin did this earthquake occur?


C. What is the average time value for when this earthquake occurred?


Go to Suggestion #3
A. Where did the earthquake occur? Please give latitude and longitude, and the name of the continent.


B. On what type of a plate margin did this earthquake occur?


C. What is the average time value for when this earthquake occurred?


Go to Suggestion #4
A. Where did the earthquake occur? Please give latitude and longitude, and the name of the continent.


B. On what type of a plate margin did this earthquake occur?


C. What is the average time value for when this earthquake occurred?


Go to Suggestion #5
A. Where did the earthquake occur? Please give latitude and longitude, and the name of the continent.


B. On what type of a plate margin did this earthquake occur?


C. What is the average time value for when this earthquake occurred?


Go to Suggestion #6
A. Where did the earthquake occur? Please give latitude and longitude, and the name of the continent.


B. On what type of a plate margin did this earthquake occur?


C. What is the average time value for when this earthquake occurred?


QUESTION: What are possible sources of error when determining the location of the epicenter that can cause the different circles to not meet at exactly the same spot?



Go to Suggestion #7
Create your own earthquake. Go to the Options menu and choose "set EQ."
What did you choose?
Time: hour_________ minute_________ seconds_________
am or pm (circle one)
Magnitude: did you locate the earthquake by clicking on the map or entering the latitude and longitude information? (circle one)
Latitude: _________degrees _________minutes  N or S (circle one)
Longitude: _________degrees _________minutes  E or W (circle one)

After looking at the 3 or more stations:
What is the average time for the earthquake?


What is the location of the earthquake?


If there is time, you can repeat Suggestion #7. Make another earthquake occur in a different part of the world.

What did you choose?
Time: hour_________ minute_________ seconds_________
am or pm (circle one)

Magnitude: did you locate the earthquake by clicking on the map or entering the latitude and longitude information? (circle one)
Latitude: _________degrees _________minutes  N or S (circle one)
Longitude: _________degrees _________minutes  E or W (circle one)

After looking at the 3 or more stations:
What is the average time for the earthquake?


What is the location of the earthquake?