Page 1
Scientist: _______________________________
Earthquake Station Directions:
1. Refer to the data table and use the difference in arrival times to determine the distance to the
earthquake epicenter for Station 2.
2. Analyze the seismogram below and fill out the missing information for Station 3 in the data table.
3. Use a compass to draw circles on the map around Stations 2 and 3 according to the distance data.
4. Place an “X” at the position of the earthquake epicenter on the map.
Mr. Rizzo www.regents-earthscience.com
Seismograph Station
Arrival Times Difference in Arrival Times
Distance to Epicenter (km) P wave S wave
2
11:35:50 a.m.
11:37:55 a.m.
2 min 55 sec
3
____ min ____ sec
Station 3
N
Page 2
Mr. Rizzo www.regents-earthscience.com
N
Page 3
Mr. Rizzo www.regents-earthscience.com
Seismograph Station
Arrival Times Difference in Arrival Times
Distance to Epicenter (km) P wave S wave
2
11:35:50 a.m.
11:37:55 a.m.
2 min 55 sec
1700 km
3
11:41:00 a.m.
11:48:10 a.m.
7 min 10 sec
5500 km
5500 km
1700 km
N
Page 4
Scientist: _______________________________
Earthquake Station Directions:
1. Refer to the data table and use the difference in arrival times to determine the distance to the
earthquake epicenter for Station 2.
2. Analyze the seismogram below and fill out the missing information for Station 3 in the data table.
3. Use a compass to draw circles on the map around Stations 2 and 3 according to the distance data.
4. Place an “X” at the position of the earthquake epicenter on the map.
Mr. Rizzo www.regents-earthscience.com
Seismograph Station
Arrival Times Difference in Arrival Times
Distance to Epicenter (km) P wave S wave
2
03:21:00 a.m.
03:25:10 a.m.
4 min 10 sec
3
____ min ____ sec
O
Station 3
Page 5
Mr. Rizzo www.regents-earthscience.com
O
Page 6
Mr. Rizzo www.regents-earthscience.com
Seismograph Station
Arrival Times Difference in Arrival Times
Distance to Epicenter (km) P wave S wave
2
03:21:00 a.m.
03:25:10 a.m.
4 min 10 sec
2700 km
3
03:22:00 a.m.
03:26:50 a.m.
4 min 50 sec
3300 km
O
2700 km
3300 km
Page 7
Scientist: _______________________________
Earthquake Station Directions:
1. Refer to the data table and use the difference in arrival times to determine the distance to the
earthquake epicenter for Station 2.
2. Analyze the seismogram below and fill out the missing information for Station 3 in the data table.
3. Use a compass to draw circles on the map around Stations 2 and 3 according to the distance data.
4. Place an “X” at the position of the earthquake epicenter on the map.
Mr. Rizzo www.regents-earthscience.com
Seismograph Station
Arrival Times Difference in Arrival Times
Distance to Epicenter (km) P wave S wave
2
08:15:35 p.m.
08:20:05 p.m.
4 min 30 sec
3
____ min ____ sec
P
Station 3
Page 8
Mr. Rizzo www.regents-earthscience.com
P
Page 9
Mr. Rizzo www.regents-earthscience.com
Seismograph Station
Arrival Times Difference in Arrival Times
Distance to Epicenter (km) P wave S wave
2
08:15:35 p.m.
08:20:05 p.m.
4 min 30 sec
3000 km
3
08:14:00 p.m.
08:17:30 p.m.
3 min 30 sec
2200 km
P
Page 10
Scientist: _______________________________
Earthquake Station Directions:
1. Refer to the data table and use the difference in arrival times to determine the distance to the
earthquake epicenter for Station 2.
2. Analyze the seismogram below and fill out the missing information for Station 3 in the data table.
3. Use a compass to draw circles on the map around Stations 2 and 3 according to the distance data.
4. Place an “X” at the position of the earthquake epicenter on the map.
Mr. Rizzo www.regents-earthscience.com
Seismograph Station
Arrival Times Difference in Arrival Times
Distance to Epicenter (km) P wave S wave
2
04:54:30 p.m.
04:59:30 p.m.
5 min 00 sec
3
Q
Station 3
Page 11
Mr. Rizzo www.regents-earthscience.com
Q
Page 12
Mr. Rizzo www.regents-earthscience.com
Seismograph Station
Arrival Times Difference in Arrival Times
Distance to Epicenter (km) P wave S wave
2
04:54:30 p.m.
04:59:30 p.m.
5 min 00 sec
3400 km
3
04:53:00 p.m.
04:56:50 p.m.
3 min 50 sec
2400 km
Q
Page 13
Scientist: _______________________________
Earthquake Station Directions:
1. Refer to the data table and use the difference in arrival times to determine the distance to the
earthquake epicenter for Station 2.
2. Analyze the seismogram below and fill out the missing information for Station 3 in the data table.
3. Use a compass to draw circles on the map around Stations 2 and 3 according to the distance data.
4. Place an “X” at the position of the earthquake epicenter on the map.
Mr. Rizzo www.regents-earthscience.com
Seismograph Station
Arrival Times Difference in Arrival Times
Distance to Epicenter (km) P wave S wave
2
02:19:40 p.m.
02:24:00 p.m.
4 min 20 sec
3
____ min ____ sec
R
Station 3
Page 14
Mr. Rizzo www.regents-earthscience.com
R
Page 15
Mr. Rizzo www.regents-earthscience.com
Seismograph Station
Arrival Times Difference in Arrival Times
Distance to Epicenter (km) P wave S wave
2
02:19:40 p.m.
02:24:00 p.m.
4 min 20 sec
2800 km
3
02:22:00 p.m.
02:28:10 p.m.
6 min 10 sec
4500 km
R
Page 16
Scientist: _______________________________
Earthquake Station Directions:
1. Refer to the data table and use the difference in arrival times to determine the distance to the
earthquake epicenter for Station 2.
2. Analyze the seismogram below and fill out the missing information for Station 3 in the data table.
3. Use a compass to draw circles on the map around Stations 2 and 3 according to the distance data.
4. Place an “X” at the position of the earthquake epicenter on the map.
Mr. Rizzo www.regents-earthscience.com
Seismograph Station
Arrival Times Difference in Arrival Times
Distance to Epicenter (km) P wave S wave
2
01:32:00 p.m.
01:35:50 p.m.
3 min 50 sec
3
____ min ____ sec
S
Station 3
Page 17
Mr. Rizzo www.regents-earthscience.com
S
Page 18
Mr. Rizzo www.regents-earthscience.com
Seismograph Station
Arrival Times Difference in Arrival Times
Distance to Epicenter (km) P wave S wave
2
01:32:00 p.m.
01:35:50 p.m.
3 min 50 sec
2400 km
3
01:33:00 p.m.
01:37:30 p.m.
4 min 30 sec
3000 km
S
![Soil Dynamics and Earthquake Engineering · (e.g. [1]). During the 1994 Northridge earthquake, a high peak ground acceleration (PGA) of 1.8g was recorded at the Tarzana hill station](https://static.documents.pub/doc/80x56/5f13732ba76a4506dc6d0ab6/soil-dynamics-and-earthquake-engineering-eg-1-during-the-1994-northridge.jpg)
