Finding the Epicenter

I. GUIDING QUESTION/S (State the guiding question/s):

How can you locate and earthquake's  epicenter?

II.HYPOTHESIS:

I believe that, the epicenter of 3 cities will be approximated around Oklahoman

Materials:

Pencil

Compas
s

Map

Marker to locate

IV. RECORD & ANALYZE:

Data Table:

City	Difference in P and S Wave Arrival Times	Distance to Epicenter
Denver, Colorado	2 min 40 seconds	1400 km
Houston, Texas	1 min 50 seconds	1000 km
Chicago, Illinois	1 min 10 seconds	600 km

1. The factors are when the tectonic plates are rubbing on each other so that how geologists determine where the earthquake occurs.

2. Because the United Stats is big and when a earthquake and when a earthquake occurs where are waves that can effect a lot of country's in the surroundings, There are also tectonic plates.

3. Buildings are made in ground and when an earthquake occurs it may fall and injure people. A tree may fall and make a lot of damage. And the ground can creche and you can heart you.