Semiar - Tsunami Workshop

Question 0

Name 4 causes for the displacement of sea?

Answer 0

1. Earthquake
2. Volcanic eruption
3. Landslide
4. Asteroid

Question 1

Where does the word Tsunami come from?

Answer 1

Japanese for ‘harbour wave’

Question 2

What are tsunamis associated with?

Answer 2

A large draw down

Question 3

Name 2 recent examples of Tsunamis

Answer 3

• 2004 Boxing Day Tsunami, Sumatra

- 2011 Japan Tsunami

Question 4

Name 2 past examples of Tsunamis

Answer 4

• 6100BC Storegga Slide, underwater landslide causing waves approx 21m high off N Coast of Scotland
• 1755 Lisbon Earthquake, 3m wave at Penzance

Question 5

What is a main factor of limiting the impact of a tsunami?

Answer 5

Height of land

Question 6

What is the key to reducing impacts of a Tsunami?

Answer 6

Preparedness

Question 7

Why did some areas that were seriously impacted by the 2004 tsunami suffer minimal deaths?

Answer 7

Because of ‘ancient teachings’

Question 8

What is widely used across the Pacific?

Answer 8

A tsunami warming system (Pacific Tsunami Warning Centre)

Question 9

La Palma is expected to suffer from what?

Answer 9

A mega tsunami

Question 10

How do you work out distance?

Answer 10

Speed x time

Question 11

How do you work out time?

Answer 11

Distance/Speed

Question 12

How do you work out speed?

Answer 12

Distance/Time

Question 13

What speed does a tsunami typically travel at?

Answer 13

450mph

Question 14

What 3 things tsunamis are primarily caused by? They are not tidal!!!!

Answer 14

1. Earthquakes
2. Volcanoes
3. Landslides

Question 15

The impacts of a La Palma ‘mega tsunami’ would be devestating, but how likely is it?

Answer 15

Minimal