16 Questions
What is the seismometer?
The internal part of the seismograph used to record the motion of the ground during an earthquake
What is the epicenter of an earthquake?
The place on the earth’s surface directly above the center of the earthquake
What does an isoseismal represent?
An imaginary line joining the points of same intensity of the earthquake
Which term refers to the destruction caused by an earthquake at its worst point?
Epicenter
What is the coseismal?
A line joining points where earthquake waves have arrived at the same time
In homogeneous grounds with plain surfaces, what happens to the isoseismal and coseismal?
They coincide
What is magnitude in relation to earthquakes?
Proportional to the energy released by an earthquake at the focus
How is intensity represented?
By Roman Numerals (e.g., II, IV, IX)
What type of faulting dominates at a constructive plate boundary?
Normal faulting
What type of boundary is formed when plates move towards each other?
Convergent boundary
Where do most of the earthquakes with magnitudes greater than 6.0 occur?
Convergent boundaries
What type of faulting is dominant at a transform boundary?
Strike-slip faulting
Which type of earthquake is characterized by a focus depth of more than 250 km?
Deep Earthquake
What type of earthquake is exclusively due to internal causes such as disturbances in geological formations?
Tectonic Earthquake
What type of boundary is formed when tectonic plates move apart from each other?
Divergent Boundary
What is the approximate range of thickness for tectonic plates in the Earth's crust?
5–70 km
Test your knowledge of earthquake classifications and causes with this quiz. Learn about shallow, intermediate, and deep earthquakes, as well as tectonic and non-tectonic earthquake occurrences.
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