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Earthquakes (California, Pacific Northwest) MCQs [USA]

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1. . Which fault line is most famously associated with earthquakes in California?





2. . Which city was notably affected by the 1906 earthquake in California?





3. . What type of boundary is the San Andreas Fault?





4. . Which U.S. state is part of the Cascadia Subduction Zone?





5. . What magnitude was the 1994 Northridge earthquake in California?





6. . Which fault line runs parallel to the San Andreas Fault and is a significant seismic hazard in Northern California?





7. . Which earthquake is known as the “Great Quake of 1964”?





8. . What is the term for a secondary earthquake that follows the main event?





9. . The Pacific Northwest is most at risk from which type of earthquake?





10. . What is the name of the subduction zone that affects the Pacific Northwest?





11. . Which city experienced significant damage due to the 1989 Loma Prieta earthquake?





12. . What is the term for the point on the Earth’s surface directly above the earthquake’s focus?





13. . Which U.S. city is situated near the Puget Sound and is at risk from the Cascadia Subduction Zone?





14. . Which earthquake resulted in the collapse of the Tacoma Narrows Bridge in 1940?





15. . What magnitude is typically required to cause significant structural damage?





16. . Which seismic event is known for causing widespread damage and fires in San Francisco in 1906?





17. . Which type of earthquake fault occurs when two plates slide past each other horizontally?





18. . What kind of earthquake activity is commonly found in California’s Mojave Desert region?





19. . What term is used for a small earthquake that precedes a larger one?





20. . Which U.S. state experienced the 2014 South Napa earthquake?





21. . What seismic network monitors earthquakes in California?





22. . Which fault line runs through Los Angeles and has been responsible for several significant earthquakes?





23. . What is the Richter scale used to measure?





24. . Which earthquake struck the Pacific Northwest in 1700 and was followed by a tsunami?





25. . What is the primary cause of most earthquakes in California?





26. . Which fault is located in the eastern part of California and runs through the Salton Sea region?





27. . What term describes the shaking of the ground caused by an earthquake?





28. . Which U.S. state experienced the 2001 Nisqually earthquake?





29. . What is the term for a fault line where two tectonic plates converge and one is forced beneath the other?





30. . Which earthquake caused significant damage to the city of Los Angeles in 1994?





31. . What is the name of the large earthquake that scientists anticipate could occur in the Pacific Northwest in the future?





32. . What term is used to describe the amount of energy released during an earthquake?





33. . Which fault zone is located in northern California and is known for its seismic activity?





34. . Which seismic event is known for causing the collapse of the I-880 freeway in Oakland in 1989?





35. . What is the primary purpose of earthquake early warning systems?





36. . Which type of earthquake fault is characterized by the vertical displacement of rock?





37. . What does the term “seismic gap” refer to?





38. . Which geological feature is formed at a transform fault boundary?





39. . Which region is at the highest risk for a major earthquake in the next 50 years according to many scientists?





40. . What type of earthquake fault is most commonly found at divergent boundaries?





41. . What is the focus of an earthquake?





42. . Which earthquake caused significant damage to the city of Anchorage, Alaska, in 1964?





43. . What is the purpose of the U.S. Geological Survey’s (USGS) ShakeMap?





44. . Which city is located near the Juan de Fuca Plate boundary?





45. . What is the term for the release of energy during an earthquake that generates surface waves?





46. . Which fault line runs through the central coast of California, affecting cities like Paso Robles and San Luis Obispo?





47. . What magnitude earthquake is generally considered to be a “major” earthquake?





48. . What is the term for a sudden release of energy in the Earth’s crust resulting in shaking?





49. . Which fault is located in southern California and is known for producing small to moderate earthquakes?





50. . What is the term for the underground point where an earthquake originates?





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