1. Quiz/Review Get out a small piece of paper and put your name on it. When the bell rings, the quiz will begin.

2. Question 1 1.) How many location are needed to locate an epicenter?

3. Question 2 What is one scale used to measure and earthquakes size?

4. Question 3 3.) Calculate the S-P time S-wave 01:21:10 P-wave 01:18:18

5. Answers 1)At least three (3) 2)Richter or mercalli 3)00:02:52

6. Tsunami NOT TITAL WAVES!!

7. Types of waves (confusion) Tsunami Wave Caused by under water earthquake or landslide. 100-1000 kilometers wavelength Tidal Wave Caused by the gravitational force between earth and the moon. 1-100 meter wavelength.

8. Tsunami 101- the basics

9. Location Most tsunamis form near convergent plate boundaries under water. However waves can and will flow over the whole ocean so ALL coastal cities need to be aware.

10. Formation of a Tsunami

11. 2011 Japan

12. Tsunamis from a landslide Some large “mega-Tsunamis” have been formed from landslides. – Litya Bay, Alaska 1470 foot tsunami restricted to bay. – Many large volcanoes Cumbre Vieja in the Canary Islands Cumbre Vieja Might create 2000 foot tsunami in the Atlantic Ocean!

13. Other tsunamis Impacts from meteors and asteroids. (ask the dinosaurs) Can happen in large lakes! Also called seiche – 1847 & 1854 Lake Ontario! (creepy huh)