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Transcript of Earthquakes
There are 3 types of earthquakes
A sudden violent shaking of the ground, typically causing great destruction, as a result of movements within the earth's crust or volcanic action.
IN 1769, ON HIS TRAVELS AROUND NEW ZELAND, CAPTAIN COOK RECORDED FEELING AN EARTHQUAKE
THE MAORI CALL EARTHQUAKES 'HA O WHENUA' WHICH MEANS LAND SWALLOWER
Top 10 most deadly Earthquakes in history
1: Shaanxi, China, Jan. 23, 1556 2: Haiti, Jan 12, 2010
3: Haiyuan, Ningxia, China, Dec. 16, 1920 4: Tangshan, China, July 27, 1976 5: Antioch, 526AD 6: Sumatra, Indonesia, Dec. 26, 2004 7: Aleppo, Syria, Aug. 9, 1138 8: Damghan, 22 Dec 856 AD 9: Ardabil, Iran, March. 23, 893 AD 10: Kanto, Japan, Sept. 1, 1923
10 most deadly earquakes in history
everyone practices earthquake drills in japan
In India houses are built with a layer of turf on the roof for insulation. in an earthquake many people are suffocated by the soil collapsing.
cracks in walls
some damage to weak buildings
most buildings damaged
most buildings destroyed
Earthquakes can cause volcanoes to erupt
because they set them off under ground.
Earthquakes do leave cracks in the ground but not holes. Cracks can cause buildings to collapse and cars to fall off roads into the cracks
Do earthquakes leave cracks and holes in the ground?
How long does it take for an earthquake to destroy a town?
Usually earthquakes last just a few seconds, but they make the ground shake. This can ruin buildings, roads and power lines
Do earthquakes effect the earths core?
The core of thew earth is so hot that rock around the core melts, but it doesn't move the plates. so earthquakes don't effect the core
How long do earthquakes go for?
It depends on the size. normally around 30-40 seconds
Why do earthquakes occur?
Earthquakes are usually caused by a rock that suddenly breaks along a fault
How many earthquakes on average each year?
In 2012 there were 3836 earthquakes
Do earthquakes travel?
Earthquakes travel in different ways
Do earthquakes erupt volcanoes?