ATM 200 - Natural Disasters

Ch 3 – Earthquake Geology

and Seismology

Wednesday, 7 October 2015

Daily Announcements:

1) Exam #1 grades are posted on Blackboard.

2) EQ Homework Assignment to be completed by Friday, Oct. 16.

Song #1: “Shake, Rattle and Roll” by Elvis Presley

Song #2: “Shake It Up” by The Cars

Text Source Today: Chapter 3 (p. 65-77)

· Moment Magnitude Scale Notes Template

· Ground Motion During EQs PDF DOC

· Modified Mercalli Scale Mercalli Notes

· EQ Mitigation and Safety

Study Guide Material (Stacey’s Guide) :

1) Give some plusses and minuses for using the Richter scale on EQs.

2) What is the “Moment Magnitude Scale” and why is it better than the Richter scale?

3) When and where was the largest M_w earthquake?

4) How do the various seismic waves react with distance from the epicenter?

5) What is it about ground motion in EQs that causes buildings to collapse?

6) What is “resonance” and why is it important in building construction?

7) What is the “Modified Mercalli Scale of EQ Intensity?”

8) How can one attempt to construct “EQ-proof” buildings?

9) Be aware of the safety tips for preparing for and “riding out” an EQ.

10)†How is a Mercalli intensity map generated immediately after an EQ?