Name: _______________________________________________________________ Date: _____________________ Period: _________
In this lab activity, you will be analyzing data from seismographs and using that data
to locate the epicenters of four separate earthquakes around the world.
MAP #1- NORTH AMERICA
Seismic
Station
P-Wave
Arrival Time
S-Wave
Arrival Time
A
10:00:10 AM
10:02:00 AM
B
10:04:20 AM
10:07:40 AM
C
10:06:40 AM
10:11:00 AM
Lag Time
Epicenter
Distance
P-Wave
Travel Time
S-Wave
Travel Time
Origin Time
(Time of Earthquake)
‣
Describe the location of the epicenter: ______________________________________________________________________________
‣
What is the name of the plate boundary that likely triggered this earthquake? _________________________________________
MAP #2- SOUTH AMERICA
Seismic
Station
P-Wave
Arrival Time
S-Wave
Arrival Time
A
1:24:50 PM
1:30:40 PM
B
1:24:30 PM
1:28:50 PM
C
1:21:40 PM
1:24:20 PM
Lag Time
Epicenter
Distance
P-Wave
Travel Time
S-Wave
Travel Time
Origin Time
(Time of Earthquake)
‣
Describe the location of the epicenter: ______________________________________________________________________________
‣
What is the name of the plate boundary that likely triggered this earthquake? _________________________________________
SAMMARTANO 2008
Name: _______________________________________________________________ Date: _____________________ Period: _________
MAP #3- ASIA
Seismic Station A
Seismic
Station
P-Wave
Arrival Time
S-Wave
Arrival Time
Lag Time
Epicenter
Distance
P-Wave
Travel Time
S-Wave
Travel Time
9:12:00
9:11:00
9:10:00
9:09:00
9:08:00
9:07:00
9:06:00
9:05:00
S
9:04:00
9:03:00
P
Origin Time
(Time of Earthquake)
A
Seismic Station B
Seismic
Station
P-Wave
Arrival Time
S-Wave
Arrival Time
Lag Time
Epicenter
Distance
P-Wave
Travel Time
S-Wave
Travel Time
9:12:00
9:11:00
9:10:00
9:09:00
9:08:00
9:07:00
9:06:00
9:05:00
S
9:04:00
9:03:00
P
Origin Time
(Time of Earthquake)
B
Seismic Station C
P-Wave
Arrival Time
S-Wave
Arrival Time
Lag Time
Epicenter
Distance
P-Wave
Travel Time
S-Wave
Travel Time
9:12:00
9:11:00
9:10:00
9:08:00
9:07:00
9:06:00
9:05:00
9:04:00
9:03:00
Seismic
Station
9:09:00
S
P
Origin Time
(Time of Earthquake)
B
‣
Describe the location of the epicenter: ______________________________________________________________________________
‣
What is the name of the plate boundary that likely triggered this earthquake? _________________________________________
SAMMARTANO 2008
Name: _______________________________________________________________ Date: _____________________ Period: _________
MAP #4- AFRICA
Seismic Station A
Seismic
Station
P-Wave
Arrival Time
S-Wave
Arrival Time
Lag Time
Epicenter
Distance
P-Wave
Travel Time
6:32:00
6:31:00
6:30:00
6:29:00
6:28:00
6:27:00
6:26:00
6:25:00
S
6:24:00
6:23:00
P
S-Wave
Travel Time
Origin Time
(Time of Earthquake)
A
Seismic
Station
S-Wave
Arrival Time
Lag Time
Epicenter
Distance
P-Wave
Travel Time
6:31:00
6:30:00
6:29:00
6:28:00
6:27:00
6:26:00
6:25:00
P-Wave
Arrival Time
S-Wave
Travel Time
6:32:00
S
P
6:24:00
6:23:00
Seismic Station B
Origin Time
(Time of Earthquake)
B
Seismic Station C
P-Wave
Arrival Time
S-Wave
Arrival Time
Lag Time
Epicenter
Distance
P-Wave
Travel Time
S-Wave
Travel Time
6:32:00
6:31:00
6:30:00
6:28:00
6:27:00
6:26:00
6:25:00
6:24:00
6:23:00
Seismic
Station
6:29:00
S
P
Origin Time
(Time of Earthquake)
B
‣
Describe the location of the epicenter: ______________________________________________________________________________
‣
What is the name of the plate boundary that likely triggered this earthquake? _________________________________________
SAMMARTANO 2008
MAP#1- NORTH AMERICA
C
B
A
MAP#2- SOUTH AMERICA
B
A
C
MAP#3- ASIA
B
C
A
MAP#4- AFRICA
C
B
A