We reviewed the different boundary types and then looked at how earthquakes are found along these boundaries. We learned that earthquakes give off two types of seismic waves. We then learned that the strength of the earthquake is given on the Richter Scale. We then finished writing down what all the parts to a volcano are.
We also learned that in AD 132 the Chinese had invented a seismometer the could detect the direction of earthquakes. (See images below.)
