Hazards
Random
Volcanoes
Earthquakes
Winners Isle
100
What is a hazard?
An event (naturally occurring) which has the potential to cause loss of life or property
100
What is a Transform boundary?
The boundary where two plates slide past one another.
100
What is a Divergent boundary?
When plates move away from one another. They can create new crust for the Earth's surface
100
What scale is most used by seismologists to measure the magnitude of earthquakes?
Richter scale measures the magnitude
100
What event was recently deemed a new type of natural disaster?
Firestorms
200
Give two examples of geological hazards.
Earthquakes and volcanoes
200
Hurricanes, and typhoons occur in which hemisphere?
Northern hemisphere
200
What is the term for molten material when it reaches the Earth's surface?
Lava
200
The point at the Earth’s surface directly above the focus is called?
The epicentre
200
At which geographic coordinates do tropical storms occur?
5 to 30 degrees north or south of the equator
300
Give an example of an atmospheric hazard.
Cyclone
300
What are the four spheres of the Earth?
Hydrosphere, atmosphere, biosphere, lithosphere
300
At what type of plate boundary do volcanoes not occur?
Transform plate boundaries
300
Which country avoids building tall skyscrapers across the whole country for earthquake safety?
Japan
300
How fast can earthquakes travel?
9000-10,800 km per hour
400
What is a disaster?
The impact of a natural event (such as a hurricane, tornado, or flood) on humans
400
What is a Convergent Boundary?
Tectonic plate margin where two plates are moving towards each other or coming together. A zone of subduction
400
Why do people live around volcanoes when they can be so dangerous?
Any of the following: fertile soil, tourism benefits, aesthetically beautiful, no choice, employment/studies relating to volcanoes/earthquakes, can be mostly dormant, etc.
400
Earthquakes can cause which secondary hazard?
Tsunamis
400
In 2012 there were _____ natural catastrophes worldwide including severe storms, droughts, tornadoes, earthquakes, floods, hail storms and bushfires.
905
500
What are convection currents?
Inner Earth processes that are responsible for the movement of the tectonic plates
500
What fuels the energy of a cyclone?
Warm, deep water
500
What is the most dangerous tertiary hazard of a volcano?
A lahar (mudslide)
500
What is the average and longest-recorded length of an earthquake?
1 minute (average)
10 minutes (longest-recorded)
500
What part of a cyclone has the strongest winds?
The eyeball