aftershock = smaller earthquakes which occur after a large earthquake

assume = to believe sth is true without knowing

available = that can be used; ready

be made up of=  be composed of

bookshelf= board used for holding books

calm= not excited; quiet; smooth

center = middle part

clean up =  take away (dirt, rubbish) from a place

conclusion =  ending; finishing; result

consist of=  be made up of

core = central part

crust =  hard part of the earth (on the outside)

definitely = for sure; certainly

department =  one of several dividing  of a large organization

destructive = causing great damage

direction = line of movement

discoverer =  a person who finds, sees, learns of  sth no one knew before

doorway = opening for a door; the opening through a door

earthquake = sudden movement of the earth's surface

emergency =  serious situation needing quick action

entirely =  completely; fully

estimate = calculate not very exactly; guess

fault = break in layers of rock; a mistake

first aid =  medical care given immediately to an injured person before a doctor comes

first aid kit =  set of tools and instruments used in first aid

fix = arrange; stick

float =  (cause sth to) stay on the surface of a liquid

flood = large amount of water on a normally dry area

floor =  surface of a room on which one stands and walks; level of a building

forecast =  predict; say what is going to happen in future

fortunately = luckily

furniture =  large moveable things (e.g, tables, chairs, etc) in a house

geology / =  study of the earth's rock, crust, etc

go sailing =  travel on water by boat

hit = touch forceful -  affect badly

hypothesize =  suggest possible ideas

imagination =  sth experienced in mind, not in real life

immediate =  happening or done at once, without anything coming between

indoors =  in or onto a building; inside

instructions =  information on how to do sth

instrument =  sth used for special work; tool

item = single thing in a list; a general word for a thing or object

land = make sth  come down to the ground               .

layer =  thickness of a material on a surface

legend =  old story (especially one that may not be true)

light =  not of great strength; low in strength

liquid =  substance that moves freely but is not a gas

locate =  find out the exact place of

luckily =  happily; by good chance

mantle= layer of the earth between the crust and the core

measure =  find the size, degree, etc of; calculate

mechanism =  working parts of sth; way of getting sth done

melt = (cause to) become liquid through heating

mother tongue =  first language that one learns as a child

name =  give a name to; refer to by name

occur =  happen; take place

organization =  group of people working together for a purpose such as a business

outdoors =  out or outside a building; into the open air

overpass= road that passes over another road, railway, etc by a kind of a bridge

Pacific Ocean =  the ocean located between eastern Asia & Australia on one side and North & South America on the other

pilot = person trained to operate the controls of any machine that flies (usually airplanes)

place =  put in a special place

plan =  arrange to do sth; a design of action to do sth in future

populated = filled with people

possibility = something that may happen; chance

predict =to say what will happen in the future

pressure=(force produced by) pressing

primarily =mainly; specially

procedure / pra'si:d33 / (n.): usual way of doing sth

property = things owned; belongings

provide=make available; make ready

rattle = (cause to) make short sounds; shake causing sounds

reality = something actually seen or experienced; real state of things as they are

record = keep (on tape, disc, etc to be heard or seen or used later)

rest = the remaining part; the others; what is left

seismograph= instrument that records the strength of an earthquake

seismologist =a person who examines the earthquakes

separate =  divided; not joined; different

shake =  move quickly from side to side, up and down (repeatedly); act of shaking

shock = sudden (very great) surprise; shake

smoothly =  easily                             .

so far = until now

soft =  not hard

solid = (of a substance) keeping its shape; not in the form of liquid or gas

stick = become fixed in one place and not move

storm =  (period of) very strong winds and rain

strike = hit; attack

summary = a short statement of the main points of sth

surface = the top layer

survive =  continue living (after a difficult experience or hard conditions)

term =  call or name

thief=  person who steals; robber

underpass = road that goes under another road