Pre-Assessment

You were provided with data showing the arrival time of the P and S waves recorded from three seismic stations. Which of these can you possibly determine?

• the distance to the earthquake

• the damage at the focus

• the intensity of an earthquake

• the location of the epicenter

What is shown in the photo?

• Continents

• Plates

• Oceans

• Regions

What is the process where a relatively denser plate slides down under a less denser plate?

• Subduction

• Convergence

• Divergence

• Collision

What do you expect to find at a mid-oceanic ridge?

• relatively young rocks

• reverse fault

• thick accumulation of sediments

• very ancient rocks

What type of Plate boundary is existing in the photo?

• Convergent Plate Boundary

• Divergent Plate Boundary

• Transform-Fault Boundary

• None of these