16. What is the study of earthquakes?*1 pointseismologyvolcanologyearthquakologyplate tectonicology

5. Scientists who study earthquakes, their causes and effects?*1 pointearthquakologistvolcanologistseismologistsmeteorologist

A ___________ is any earthquake that results from tectonic forces which occur in conjunction with volcanic activity.*1 pointplatestectonicmagmavolcanic

9.  How do scientists find out the intensity and duration of Earthquakes?*1 pointSeismic wavesSeismographSeismogramSeismos

.A ___________earthquake is one that occurs when the earth's crust breaks due to geological forces on rocks and adjoining plates that cause physical and chemical changes.*1 pointtectonicvolcaniccollapseexplosion

21. How does the Richter Magnitude Scale calculate its measurements?*1 pointEyewitnessesAmount of damage causedThe amount of time the earthquake lastedThe strength of the seismic waves recorded by a seismograph machine