Case Studies - Unit 1 - Theme C

Question 1

MARKET RASEN 2008

Give 4 impacts of the earthquake?

Answer 1

• Many people woken up in middle of night
• Church in Market Rasen suffered £10,000 in damage
• Power cuts
• Man in Yorkshire suffered cracked pelvis

Question 2

MARKET RASEN 2008

What caused the earthquake?

Answer 2

Many rocks on B Isles have faults. Convection currents put pressure on these faults which caused them to move, which created seismic waves

Question 3

Kobe, Japan

What plates were involved in the earthquake?

Answer 3

Eurasian Plate
Philippine Sea Plate
Pacific Plate

Question 4

Kobe, Japan

Give 3 intro facts?

Answer 4

• Occurred at 5:46am
• 7.2 on Richter scale
• Lasted only 20 seconds

Question 5

Kobe, Japan

What caused the earthquake?

Answer 5

Pacific and Philippine plate being subducted by Eurasian plate. Pressure builds up, and is then released, creating seismic waves

Question 6

Kobe, Japan

Give 2 short term impacts on people?

Answer 6

40,000 people injured

1km of Hanshin Expressway collapsed

Question 7

Kobe, Japan

Give 2 short term impacts on the environment?

Answer 7

Acidic smoke from fires formed thick smog

More than 150 fires destroyed around 7500 homes

Question 8

Kobe, Japan

Give 2 long term impacts on people?

Answer 8

Water, electricity, gas and telephone not functional until August
Over 5500 people died

Question 9

Kobe, Japan

Give a long term impact on the environment?

Answer 9

In the Awaji Island, 9km of horizontal displacement was observed

Question 10

Kobe, Japan

Give 2 management responses?

Answer 10

• Increased number of Seismic instruments installed in region
• Laws passed that meant buildings had to become quake proof eg. Flexible steel beams in high rise buildings

Question 11

Kobe, Japan

Give 2 precautions or predictions?

Answer 11

• Earthquake drills held every year, so that emergency services and individuals can practice and improve their responses
• People keep earthquake survival kits

Question 12

Indian Ocean

What plates were involved?

Answer 12

• Indo Australian Plate

- Sunda Plate

Question 13

Indian Ocean

Give 3 intro facts?

Answer 13

26 December 2004
9.2 on Richter Scale
Lasted 10 minutes

Question 14

Indian Ocean

What caused the earthquake and then the tsunami?

Answer 14

Sunda Trench is fault line. Indo Australian Plate slips 15m along a 1600km stretch. Sea floor lifted, causing large displacement of water. Creates tsunami

Question 15

Indian Ocean

Give 2 short term impacts on people?

Answer 15

• 60% of fishing fleet in Sri Lanka destroyed

- Over 1.1 million people displaced

Question 16

Indian Ocean

Give 2 short term impacts on the environment?

Answer 16

• Whole earth vibrated by 1cm

- Aftershocks continued for 3-4 months

Question 17

Indian Ocean

Give 2 long term impacts on people?

Answer 17

• Over 187,000 deaths

- In Maldives, 17 Atoll Islands now uninhabitable as fresh water supply now contaminated by sea water

Question 18

Indian Ocean

Give 2 long term impacts on the environment?

Answer 18

• Global sea level raised by 0.1mm

- Coastal ecosystems like coral reefs severely damaged

Question 19

Indian Ocean

Give 2 management responses?

Answer 19

• International aid from around the world valued at $7 billion US dollars
• Tsunami warning system set up in Indian Ocean by UNESCO

Question 20

Indian Ocean

Give 2 precautions or predictions?

Answer 20

• No warning system in place beforehand
• Only thing that saved anyone’s life was when a little girl noticed the sea water receding and told her parents. The beach was evacuated