BY: Lanise, Alexis, Jr., Matthew, Christian

▪ Plates grind against each other ▪ Earthquakes happen along the

edges of tectonic plates

▪ The earthquakes happen along fault lines

▪ They are caused by sudden breaking of rock

▪ Seismographs ▪ Seismologists

▪ Epicenter ▪ It is straight above the focus ▪ It is the location of biggest damage ▪ Where the earthquakes originates

The fault on the top side is a normal fault The fault on the middle is a reverse fault The fault on the bottom side is a strike

slip fault

▪ Continental plates work by grinding against each other

▪ Underground ▪ They create hills and/or slopes

▪ S waves caused by breaking ▪ S waves type: body waves, surface ▪ Body waves can travel through layers ▪ Surface waves

▪ Body waves: P waves ▪ Fastest kind of seismic waves ▪ Travel through rock and fluid