Regents Practical Review for Location an Epicenter Name: ________________________ Regents Review Date: _____________ Period: _____ W.S. Regents Practical Review for Locating an Epicenter – Directions: Read the following procedure carefully to locate the epicenter of the earthquake. Procedure: Step 1: The Seismic Station at Balboa Heights, Panama distance to the epicenter has already been drawn on the map on the back of this sheet. 3,200 km Step 2: Use the compass to draw a circle around with a distance of 1,600 km Boulder, Colorado (BC) Use the seismogram data below to determine the in arrival time for the P-wave and Step 3: difference the S-wave arrival times at and record that information below. Mexico City, Mexico (MC) Step 4: Using the P- and S-wave Chart, determine the to the epicenter from distance Mexico City, and record that information below. Mexico (MC) Step 5: Use the compass to draw the epicenter on the map on the back of this sheet for distance Mexico City, Mexico (MC). Step 6: Place and X on the map on the back of this sheet where the of the epicenter is. location Mexico City, Mexico (MC) Seismic Stations Data Seismic Station C Time and Distance a) The difference in arrival time for the P-wave and S-wave arrival time for ___________________________ Mexico City, Mexico (MC) b) Distance to the epicenter from __________________________ Mexico City, Mexico (MC)
Regents Practical Review for Location an Epicenter Name: ________________________ Regents Review Date: _____________ Period: _____ W.S. – Regents Practical Review for Locating an Epicenter Directions: Read the following procedure carefully to locate the epicenter of the earthquake. Procedure: Step 1: The Seismic Station at Balboa Heights, Panama distance to the epicenter has already been drawn on the map on the back of this sheet. 3,200 km Step 2: Use the compass to draw a circle around Boulder, Colorado (BC) with a distance of 1,600 km Step 3: Use the seismogram data below to determine the difference in arrival time for the P-wave and the S-wave arrival times at Mexico City, Mexico (MC) and record that information below. Step 4: Using the P- and S-wave Chart, determine the distance to the epicenter from Mexico City, Mexico (MC) and record that information below. Step 5: Use the compass to draw the epicenter distance on the map on the back of this sheet for Mexico City, Mexico (MC). Step 6: Place and X on the map on the back of this sheet where the location of the epicenter is. Mexico City, Mexico (MC) Seismic Stations Data Seismic Station C Time and Distance a) The difference in arrival time for the P-wave and S-wave arrival time for Mexico City, Mexico (MC) ___________________________ b) Distance to the epicenter from Mexico City, Mexico (MC) __________________________
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