EARTHQUAKES ONLINE
Visit the United States Geological Survey (USGS) Earthquake Hazards Program and
answer the questions that follow.
http://earthquake.usgs.gov/
Under Latest Earthquakes select the ‘Real Time Earthquake Map’
1. How many earthquakes have occurred worldwide today? _______________
2. What is the range of magnitude for these quakes?
_______________
3. Look at the DEPTH. At what depth are the majority of the quakes today? Shallow,
intermediate, or deep? ______________________
4. What magnitude is the largest quake today? _________ Where did it occur? _______________
On the toolbar at the top, select EARTHQUAKES. Click on TOP 10. Scroll down and
under ‘Historic Earthquakes’ select WORLDWIDE.
5. Record the details for the 2 most destructive earthquake in recent history.
Date:
_____________________
Location:
____________________________________
Magnitude ___________________
Fatalities:
____________________________________
Date:
_____________________
Magnitude ___________________
Location:
Fatalities:
____________________________________
____________________________________
On the right, under World Earthquakes Sorted by, click on MAGNITUDE
6. Record the details for the largest earthquake ever.
Date:
_____________________
Magnitude ____________________
COST:
_____________________
Location:
Fatalities:
____________________________________
____________________________________
On the toolbar at the top click on ‘PREPARE’. Under Earthquake Preparedness
Publications, click on Seven Steps to Earthquake Safety.
7. RECORD and briefly summarize the seven steps.
Visit the Natural Resources Canada – Earthquakes Canada website and answer the
following questions.
http://www.earthquakescanada.nrcan.gc.ca/index-eng.php
Scroll down and in the ‘IN CANADA...’ box, select the Live Seismogram Viewer’.
8. Click on Barry Inlet, BC. What do you notice?
____________________________________________________________________________________________________
Go back to the home page and in the ‘IN CANADA....’ box select ‘All About this Regions
Earthquakes’ Click on ‘Background on Earthquakes in Eastern Canada’
9. Summarize the level of activity and causes of earthquakes in this region.
Click on ‘Southern Great Lakes’ in the list below.
10. What is the level of seismicity in this area?
_____________________________________________________________________________________________________
11. What is the largest quake that has occurred in this area?
_____________________________________________________________________________________________________
Scroll down to the Charlevoix Seismic Zone
12. How does this area compare in seismicity to the Southern Great Lakes area?