California is earthquake state. A lot of earthquakes happened every year but only few part of earthquakes occurred in urban area that can cause property damage and loss of life. Let's find which historical earthquakes that fits the questions.
Q1)
Symbolize the new dataset using the ‘Count’ field and generate a map layout
with a legend and title ONLY and export to your
blog.
Q2) What
is the primary key relationship (ex. one-many) between the two tables
just joined?
Primary key: GEOid
One-to-one relationship
Q3) Which
County had a maximum earthquake magnitude less than 4.5 and at least one
earthquake
Mariposa
County
Q4) How
many earthquakes above magnitude 5.0 have been located in urban areas?
45
earthquakes
Q5) What
is the total number of earthquakes (Count) in the county with a population over
1,000,000 and maximum earthquake depth greater than 17 km?
264
earthquakes
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