Earthquakes

Question 1

what is the epicentre?

Answer 1

The point directly above the focus on the surface

Question 2

what is the focus?

Answer 2

The point inside the crust where earthquakes start

Question 3

why/when are shockwaves released?

Answer 3

when the rocks cannot withstand the pressure of the plates moving anymore

Question 4

What is the Richter scale?

Answer 4

an objective measurement seismograph that measures energy waves emitted by earthquakes

Question 5

what is a modified Mercalli scale?

Answer 5

A subjective opinion of the impact of earthquakes according to peoples opinions

Question 6

What is a fault line?

Answer 6

A break on the ground that occurs when the Earth’s tectonic plates move where earthquakes are likely to occur

Question 7

What is tension?

Answer 7

stress which stretches of rocks in the two opposite directions

Question 8

what caused the Christchurch earthquake?

Answer 8

it is uncertain but most of New Zealand’s South Island is on the Pacific plate but the northern part of the island is on the Australian plate. The boundary between the two is exactly where the earthquake occurred.

Question 9

what was the magnitude of the New Zealand earthquake?

Answer 9

6.3

Question 10

what were the primary affects of the Christchurch of earthquake?

Answer 10

ground shaking and 185 deaths

Question 11

what were the secondary effects of the Christchurch earthquake?

Answer 11

water shortage and no Tsunami

Question 12

what was short-term responses for the New Zealand Earthquake?

Answer 12

temporary chemical toilets for 30,000 residents and around $6.7 million of international aid

Question 13

what were long-term responses for the Christchurch earthquake?

Answer 13

water and sewage was restored. $898 million paid in the building claims.

Question 14

what are the main differences between Christchurch and Nepal?

Answer 14

Nepal was located on a collisional plate Boundry however Christchurch was located on the conservative plate

Kathmandu had a earthquake size of 11 km whereas Christchurch had size of 6km

Nepal is a LEDC and New Zealand is a MEDC

Deaths

Question 15

what was the magnitude of the Nepal earthquake?

Answer 15

7.8

Question 16

what caused in the Nepal earthquake?

Answer 16

sudden release of built-up stress along with the major fault line where the Indian plate is slowly subducting Beneze the Eurasian plate

Question 17

when did the Nepal earthquake happen?

Answer 17

25th of April 2015 at 6:11 AM

Question 18

when did the Christchurch earthquake happen?

Answer 18

22nd of February 2011 at 12:51 PM

Question 19

what were the primary affects of the Nepal earthquake?

Answer 19

ground shaking and 9000 deaths

Question 20

what were the short term responses of the Nepal earthquake?

Answer 20

water and medical support from UK, China and other countries

Field hospitals were overcrowded

Question 21

what were the long-term responses for the Nepal earthquake?

Answer 21

roads were repaired and landslides where cleared

tourism sites were reopened and income continued

Question 22

what similarities in responses did the New Zealand and Nepal earthquake have?

Answer 22

donations, temporary housing and water and sewage restored

Question 23

What was the main similarity between Christchurch and Nepal?

Answer 23

they both had some sort of large after-shocks and other countries provided financial aid