ISP 203B Exam 2 and 3 Questions With
Solutions
A 3.0 magnitude earthquake releases about ______ times the energy as a 2.0 magnitude
earthquake. 32
The __________ magnitude measures the total energy output of an earthquake. Moment
When it is difficult to obtain moment magnitude, __________ ma...
A 3.0 magnitude earthquake releases about ______ times the energy as a 2.0 magnitude
earthquake. 32
The __________ magnitude measures the total energy output of an earthquake. Moment
When it is difficult to obtain moment magnitude, __________ magnitude is the best way to
measure large earthquakes because this type of magnitude saturates at M > 7.5 Surface
wave
What is the reliable earthquake precursor that can be used to predict earthquakes: groundwater
level, radon level, foreshocks, or animal behavior? None of these
A seismic gap is a(n) ________. Part of an active fault that has not had recent earthquakes
The recurrence interval _________. Predicts the average occurrence of major earthquakes
in a single area
, ISP 203B Exam 2 and 3 Questions With
Solutions
Which construction material would make a house safest in a moderate earthquake? Wood-
frame construction sheathed with plywood
Tsunami detection networks are ___________. Accurate at predicting the arrival of a
distant tsunami, but rarely provide sufficient warning of tsunami generated by a nearby
earthquake.
A tsunami in Japan would affect ________. All coastal areas of the Pacific
If you are alerted that a tsunami is approaching, your first reaction should be to ____________.
Immediately head for a location as high above sea level as possible
A tectonic plate consists of __________. The lithosphere
Compared to a continental plate, an oceanic plate ___________. Can sink into the deeper
earth
Plate tectonics is NOT caused by ___________. Ridge push
, ISP 203B Exam 2 and 3 Questions With
Solutions
What caused the 2004 Sumatra earthquake? How large was it? -Subduction
zone/convergent boundary of indian and sunda plate. Continental plate. This was the 3rd largest
earthquake
-Magnitude: 9.3
What caused the 2004 Sumatra Tsunami? Vertical displacement of water due to
earthquake elastic energy release at convergent boundary
Why was the tsunami so devastating? -Large rupture area
-Caused by 3rd largest earthquake recorded
-Little preparation
-Affected multiple countries
-Dense population
What is "earthquake rebound"? 1. Rocks deform
2. Build up of energy
3. Energy is released
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