Earthquakes and Tsunamis: causes and information

1. Earthquakes & Tsunamis:
Causes & Information
By Nola Taylor, Live Science Contributor
Hilda Yasiry Ibargüen Rivas
Intermediate english skills

2. What causes earthquakes?
Tsunamis
Measuring earthquakes
Preparing for disaster
Famous quakes

3.  The earth is constantly shifting under our feet.

4. What causes earthquakes?
 Earth’s crust
 Tectonic plates
 Faults

5.  The rocks on either side of
the fault suddenly rip apart.
 Aftershocks.
 The two sides slide past one
another.

6. Tsunamis
 Powerful waves.  Movement of the seafloor
during an earthquake

7. Measuring earthquakes
 How large its origin fault is?
 How much it has slipped?
An earthquake’s size depends
on:

8.  Geologists uses at least three
seismographs, to can
triangulate the origin of the
earthquake.

9. Preparing for disaster
 Not yet come up with a way to
forecast earthquakes.
 Plan for any type of disaster.
 Animals are reputed have a
sixth sense.

10.  FEMA
recommendations.
 Open area, away from
structures or bridges.
 After an earthquake proceed
with caution.

11. Famous quakes
 1906 — San Francisco,
California Magnitude: 8
 1960 — Chile,
Magnitude: 9.5
 2011 — Japan, Magnitude:
9.0

12. Conclusions
Earthquakes and tsunamis can happen
anywhere.
We cannot stop it, but we can learn more
about it.
Simple precautions are the most effective
way.

14. Bibliography
 Redd, N. (2015). Earthquakes & Tsunamis: Causes & Information. [Blog] Live science.
Available at: http://www.livescience.com/21486-earthquakes-
causes.html?li_source=LI&li_medium=most-popular [Accessed 13 Mar. 2017].