186. The first seismic motion to be detected at an earthquake station
1. Always compressed
2. Always have a widespread nature
3. Depending on the relative position of the earthquake location from the earthquake station
4. This has no meaning in seismic analysis
187. Analysis of earthquake first motions is useful
1. To determine the seismic location
2. For seismic quantification
3. To determine the magnitude of the magnitude of the earthquake
4. To determine the seismic depth
188. Analysis of seismogram records does not provide this information?
1. Earthquake magnitude
2. Seismic site
3. Number of people who died due to earthquake
4. Seismic depth
189. US state with severe earthquake
1. California
2. Tennessee
3. Arkansas
4. All of the above
190. The process of melting of water-logged soil at the time of the earthquake
1. Melting
2. Sand quicksand
3. Gelatinization
4. None
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