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

.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

San Andreas earthquake would be classified as occurring on a ____________fault. Due to faults are found along boundaries of tectonic plates sliding past each other.*1 pointnormalstrike-slipreversedivergent

A seismograph1 pointA) Measures the strength of a volcanoB) Measures the strength of an earthquakeC) Measures the amount of continental drift

What is the location where the rupture of an earthquake begins and energy is released called?*1 pointfaultfocusepicentertectonic plates2.  What is a sudden and violent shaking of the ground that sometimes causes great destruction due to movements within the earth's crust or volcanic action?*1 pointeruptionlandslideearthquaketectonic plates3. The point on the earth's surface vertically above the focus of an earthquake.*1 pointfaultfocusepicenterplates3.  Scientists use different ways to find out if a fault is active. Which one is NOT included?*1 pointScientist created a fault model.Scientist observed the surroundings.Scientist checked the country’s historical record.Scientist studied the past and present vibrations.5.  Which scale measures the magnitude, or size, of an earthquake?*1 pointFujita ScaleSeismoscaleMercalli ScaleRichter Scale6. Scale that is based on observable earthquake damage.*1 pointFujita ScaleSeismoscaleMercalli ScaleRichter Scale7. Why can't we feel all of Earth's earthquakes?*1 pointIt happen so fast.It is very gentle.It is not happeninng.It happen deep inside the Earth.8.   What should expect to happen immediately after an Earthquake?*1 pointaftershockseruptiontyphoontsunami9.  How do scientists find out the intensity and duration of Earthquakes?*1 pointSeismic wavesSeismographSeismogramSeismos10. What is a wave generated by earthquake vibrations called?*1 pointSeismic wavesSeismographSeismogramSurface wave11. Earthquakes are common occurrence in Japan, Indonesia, and Philippines. Why is this so?*1 pointJapan, Indonesia and Philippines are surrounded by seas.Japan, Indonesia and Philippines are located near the equator.Japan, Indonesia and Philippines are considered archipelagic countries.Japan, Indonesia and Philippines are found within the Pacific Ring of fire.12. Based on measurement of the maximum motion recorded by a seismograph.*1 pointtremorsintensitymagnitudeseismic waves13.  The strength of the shaking from an earthquake is called ___________.*1 pointtremorsintensitymagnitudeseismic waves14. Seismic scale used and developed by the Philippine Institute of Volcanology and Seismology to measure the intensity of an earthquake. It was developed as upon a specific response to the 1990 Luzon earthquake.*1 pointMercalli scaleRichter scaleSeismoscalePEIS15. Scientists who study earthquakes, their causes and effects?*1 pointearthquakologistvolcanologistseismologistsmeteorologist16. What is the study of earthquakes?*1 pointseismologyvolcanologyearthquakologyplate tectonicology

Which of the following best describes why an earthquake occurs*1 pointWhen one plate sinks under the other into the mantle it begins to meltWhen one plate catches against the other and pressure builds up and is suddenly released