10 Questions
What is the primary purpose of a seismometer in seismology?
To locate the initiating points of earthquake epicenters
What is the point directly below the epicenter called?
Hypocenter
What was the primary function of the earliest seismographs?
To give a sense of the direction of the first motions from an earthquake
What was the first refinement that allowed a more precise determination of the earthquake location?
The use of a time scale
What is the initiating point of an earthquake or underground explosion called?
Seismic focus
What is the primary purpose of a seismometer in seismology?
To locate the initiating points of earthquake epicenters
What was the first refinement that allowed a more precise determination of the earthquake location?
Use of a time scale
What did the Chinese frog seismograph assume about the direction of the earthquake?
It assumed a strong positive pulse in the general compass direction of the earthquake
What is the point directly below the epicenter called?
Hypocenter
What is the secondary purpose of a seismometer in seismology?
Determining the 'size' or magnitude of an earthquake
Test your knowledge of seismology and earthquake science with this quiz on earthquake epicenters. Learn about the epicenter, how it is determined, and the role of seismometers in locating earthquake initiating points.
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