Earthquake Triangulation

How many seismic stations would you need data from to use the triangulation method to find the epicenter?

• 1

• 2

• 3

• 4

When drawing your first circle, you need the distance between the seismic station and the

• focus

• epicenter

• fault

The ______ is located at the center of the 3 circles drawn.

• fault line

• focus

• plate boundary

• epicenter

What is a seismogram?

• a graph that contains earthquake wave data

• a machine that produces a graph with earthquake data

• the center of the earthquake

• the station that records earthquake data