Download Reference answers 2.(a) (i) Richter Scale (1 mark) (ii) Plate X

Reference answers
2.(a) (i) Richter Scale
(ii) Plate X: Eurasian Plate; Plate Y: Philippine Plate
(1 mark)
(2 marks)
(iii) Annotated Diagram
Any annotated diagram about the collision of the Eurasian Plate and the Philippine Plate
that triggers the earthquake
(5 marks)
(b) Earthquake takes place under the ocean / the sea bed quakes / vertical displacement /
gigantic waves are generated
(2 marks)
(c) More developed region
Æ Earthquake-proof design is adopted in most buildings – isolation device, the use of
strong building materials
Æ More knowledgeable about earthquakes / earthquake drills are carried out regularly
Æ Well-trained and fully-equipped search and rescue unit
Æ Forecast is made based on the analysis of past experience
Æ Better urban planning / restrict building height / density of buildings / open space is
reserved to serve as shelter
The time was rather early when the earthquake happened
The epicenter of the earthquake was rather far away from Taiwan
(d) When an earthquake occurs:
‧ Do not panic and stay calm.
‧ Put out fires.
‧ People indoors should stay indoors, take cover under hard furniture and stay away
from glass or objects which are easy to fall.
‧ People outdoors should keep away from buildings, slopes, overhead electricity lines,
etc.
‧ Do not run in panic in crowded places to search for a cover or an exit.
‧ Drivers should stop their vehicles under safe circumstances. Passengers should stay
(5 marks)
inside the vehicles until the earthquake is over.
‧ Passengers taking elevators should leave as soon as possible.
‧ People in tunnels should leave under safe circumstances and move to an open space.
When the earthquake is over:
‧ Check casualty and damage. Seek help immediately if necessary.
‧ If gaseous fuel leakage is suspected, open the window and turn off the main switch.
Leave the building and report to the respective authority. Do not ignite anything or
make calls at the scene.
‧ If water or electricity supply facilities are damaged, turn off the main switch.
‧ Do not use telephone unless to report emergency or seek help.
‧ If a building is severely damaged, it may collapse in an aftershock. People should leave
immediately and report to the respective authority.
(3 marks)