Earthquakes. The U.S. Geological Survey monitors and reports on earthquakes, providing daily real-time, worldwide earthquake lists. Some of the information for four of the 105 earthquakes that occurred on May 10, 2013, is shown in the following table. Magnitude is given on the Richter scale and NST stands for the number of stations that reported the activity on the same earthquake.

Time Magnitude Depth (km) NST Region 03:46:54 1.6 16.7 25 N. California 15:19:57 1.8 7.7 11 Tennessee 19:57:02 1.5 7.0 15 Nevada 23:12:01 2.4 11.0 6 Puerto Rico Identify the type of data provided by the information in the

a. first column of the table.

b. second column of the table.

c. third column of the table.

d. fourth column of the table.

e. fifth column of the table.