WebQuest: Exploring Earthquakes



WebQuest: Exploring Earthquakes

Name(s): ________________________________________________________

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Land along faults will stay still for years, even decades at a time, building up pressure. When enough pressure builds, the land will shift suddenly and with great force. The result is an earthquake.

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Fast Facts

• There are about 8,000 earthquakes a day. That's one every 11 seconds!

• Only 1 in 5 earthquakes can be felt by people, and only 1 in 5,000 causes any damage.

• Between 1975and 1995, there was a significant earthquake in every state except Florida, Iowa, North Dakota, and Wisconsin.

• On average, Alaska has a magnitude 8 or greater earthquake every 14 years.

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WebQuest

In this journey around the Web, we'll discover what causes earthquakes, where they occurred last week, what causes tsunamis and much, much more!

• Click on the Web site(s) to find your answer.

• Put your answers on the provided worksheet.

Check out this hazard map showing probability for earthquakes. graphics/news/gra/earthquakemap/frame.htm

a) Look at the boundary map above. Compare it to the USA TODAY map. Why do you think California has so many earthquakes but Texas does not? _______________________________________________________________________________________________________________________________________________________________

b) In what hazard zone is your home located? ______________________

2. Click on this site.

Earthquake “Top 10” Lists & Maps

|Scroll down to: Earthquake Information | | |

Earthquake Information

Click on: by year

Click on: 2010

Click on: Earthquakes, Magnitude 7 and greater for 2010.

a) Where was the largest Earthquake in 2010? ____________________

b) What was the date? _________________

c) What was the magnitude? _________________

click back:

click on: deaths from earthquakes in 2010

d) How many fatalities? ___________________

3. Go back to: Earthquake “Top 10” Lists & Maps

|Click on: | |

|Deadly Earthquakes | |

|Deaths from U. S. Earthquakes | |

| | |

a) Where was the quake that killed most people in the U.S.? ___________________________________________________________________________

|b) What was the date? __________________________ | | | |

In 1964 at Prince William Sound, Alaska

d) How many people were killed by the tsunami? ____________________

e) How many were killed by the earthquake? __________________

4. Click on:

| |Largest Earthquake each Year since 1990 |

**** Largest Earthquakes

1) How many earthquakes measured a magnitude of 9.0 or greater? ______

2) Fill in the following information about each of those quakes.

|Year |Date |Magnitude |Region |

| | | | |

| | | | |

**** Deadliest Earthquakes

3) What was the magnitude of the 2010 quake in Haiti? ____________

4) How many fatalities were there? ________________

|5. Click on: Earthquake Information | |

| | |

Click on: New Jersey

Click on: Notable earthquakes - Largest earthquake in New Jersey

a) What was the date of the most notable quake in Jersey? _______________________

b) What was the magnitude? __________________

c) What time was the aftershock felt? _______________

6. Click on:

a) When was the last quake in New Jersey? _______________________

b) What was the magnitude? __________________

7. Click on:

Scroll down to: Number of Earthquakes Worldwide for 2000 - 2011

a) In what year were there the most earthquakes that measured 8.0 – 9.9? _________

b) Which years were there no earthquakes that measured 8.0 – 9.9? ________________

8. Click on this site for tsunami information.

a) What is a tsunami? ____________________________________________

b) How fast do the waves move? _________________________

c) Shallow water slows the wave and causes it to grow up to _________ feet high.

9. Click on:

(World map with clickable regions)

a) Where there any earthquakes within the last hour? _________ How many? _______________________ What were the magnitudes? ______________________________.

b) Click on M5+ Earthquake list. Where was the last Earthquake with a magnitude above 5.0? _____________________________________

c) Click on North America. Click on the largest block in the US. Where was the Earthquake located? ________________________________ What was the magnitude? _______________ the date? ____________

10. click on: news/science/geology/2001-03-04-quake-predict.htm

Can scientists predict earthquakes? _________________

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Have Fun with these sites



Earthquake proof your house….. Start the Quake!!!



See if you can build a bridge to withstand an 8.0 Quake!

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