180˚

180˚

150˚

150˚

120˚

120˚

90˚

90˚

60˚

60˚

30˚

30˚

0˚ 0˚

30˚

30˚

60˚

60˚

90˚

90˚

120˚

120˚

150˚

150˚

180˚

180˚

60˚60˚

30˚30˚

0˚0˚

30˚30˚

60˚60˚

180˚

180˚

150˚

150˚

120˚

120˚

90˚

90˚

60˚

60˚

30˚

30˚

0˚ 0˚

30˚

30˚

60˚

60˚

90˚

90˚

120˚

120˚

150˚

150˚

180˚

180˚

60˚60˚

30˚30˚

0˚0˚

30˚30˚

60˚60˚

-10400

-7600

-6000

-3500

-2500

-1000

-500

-200

-100 0 50

100

200

400

800

1600

2400

3200

4500

8000

SCIENTIFIC SPECIALTY: GEOGRAPHYElevation in meters above sea level

Map based on widely available dataset ETOPO5

This map is part of "Discovering Plate Boundaries," a classroom

exercise developed by Dale S. Sawyer at Rice University (dale@rice.edu).

Additional information about this exercise can be found at

http://terra.rice.edu/plateboundary .