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- Welcome to my LTM

Locate an Earthquake Epicenter

1.0 -Obtain 3 Seismographs

2.0 –Convert time to distance

3.0 –Locating the earthquake Epicenter

1.1- Locate P-wave

arrival time

2.1- Locate seismic wave travel time graph

3.1- Locate the map and the three seismic stations

1.2- Locate S-wave

arrival time

2.2- Using graph, convert S-P time delay kilometers

3.2- Expand compass to represent distance

1.3 -Calculate S-P

Time Delay

2.3- Record Data

3.3- Draw circles around each seismic station

1.4 –Record Data

3.4- Label Epicenter where 3 circles intersect

Entry-Level Skills

0.2-Be able to define epicenter

0.1-Know how to read a seismograph