NR 130 Exam #1 Complete 2023

Earthquakes occur when rock masses break and slip past one another along a fault. - ANSWERTrue Most seismic activity takes place along passive tectonic plate boundaries. - ANSWERFalse What does the Richter magnitude scale measure? - ANSWERThe magnitude of the Earth shaking during an earthquake Let's assume an earthquake occurs somewhere along the San Andreas fault. A seismograph based in Los Angeles, California monitors the earthquake. In which order will the seismic waves reach the seismograph? - ANSWERP-waves followed by S-waves followed by Surface waves. The area where we find the most active volcanoes are along the - ANSWERPacific Rim Mount Vesuvius is an example of what type of volcano? - ANSWERStratovolcano Mount Saint Helens is an example of what type of volcano? - ANSWERStratovolcano The point where energy is first released during an earthquake, and from which seismic waves travel outward is called the ______. - ANSWERFocus Elastic disturbances spreading outward from an earthquake focus are called ______. - ANSWER NR 130 Exam #1 Complete 2023