Plate Boundaries/earth
How old is Earth
4.5 billion years
Name 3 states a volcano can be in.
Active; Dormant; Extinct
Explain the location of earthquakes
found along plate boundaries
What is another name for a tropical storm?
Hurricane; Typhoon; Cyclone
Name the 3 plate boundaries
Destructive, Constructive & Conservative
The most dangerous type of eruption?
Pyroclastic Flow
what makes earthquakes so deadly? 2 reasons
buildings fall; no warning given; popular places to live; happen so often
What speeds to winds need to reach to be classed as a hurricane?
120km/h
The name of the supercontinent, present over 250 million years ago
Pangea
Why does Iceland experience active volcanoes?
The are located on the Mid-Atlantic Ridge - a large constructive plate boundary.
What is meant by the term epicentre
the place on the surface which experiences the most damage as a result of the quake.
Where do tropical storms occur? What temperature must the oceans be?
Tropical storms are formed over oceans within 30° North and South of the Equator (in the tropics). - oceans temps must be above 26°C
What is the name given to the movement in the mantle, causing plates to move?
Convection Currents
What does Eyjafjallajökull stand for in English?
Island - Mountain - Glacier
What was the date; times and magnitude of the two quakes in Turkey/Syria
6th February: 04:17 at a magnitude of 7.8; 1:30pm at a magnitude of 7.5
What type of weather would you experience in the eye of the storm?
Calm, nearly cloud free; no rain
What % of earth's volume is taken up by the Mantle layer?
84%
What date did the second eruption in Iceland take place? Give 2 impacts of the eruption.
14th April: 20 farms destroyed by ash/floods; local water contaminated; evacuation of 700 people; had to wear masks/goggles; visibility down to a metre; main road bulldozed.
Explain 1 way the country DID prepare, and 1 way they FAILED to prepare
earthquake drills/ tightening restrictions on building regulations - creating loopholes to allow construction companies to avoid the health and safety rules/banning social media/not quick enough with rescue teams.
What category was the hurricane when it hit Florida?
Category 3 Hurricane when it hit Florida on the 10th of September 2017