1. Finding The SLO Moho
GOAL: Estimate Crustal Thickness Beneath San Luis Obispo & Coastal California

2. Remember what the Moho is: Crust-mantle boundary
Remember what the Moho is: Crust-mantle boundary. Not discovered until 1909!

3. Article on Andrija Mohorovičić from Seismological Research Letters

4. Mohorovicic’s Travel Time Curves…

5. Modern Global Map of Crustal Thickness (or, “Moho” depth)

6. Estimate of Crustal Thickness Along Coast of Central California: ___ km

7. no audio
Note change in slope
with “red” arrivals

8. The Earthquake
We will use the “overdue” 2004 earthquake from Parkfield, CA

9. We need:
An earthquake and seismograms from a line of seismic stations