The location on the surface directly above the focus.
Hypocenter
Epicenter
Epifocus
Vent
Which of the following is NOT true of sea-floor spreading?
Oceanic ridge is formed
It is basically volcanic
A depression called oceanic trench is formed
The boundaries that experience this process are 'constructive'
Deep focus earthquakes are associated with which type of zones?
Collision zone
Subduction zone
Constructive margins
Conservative margins
The greatest volcano eruption in the world.
Fuji
Krakatoa
Tambora
Mauna Loa
In which plate boundary are no major land forms formed?
Constructive
Destructive
Collision
Conservative
What was the main cause of Kashmir earthquake of 2005?
Indo-Australian plate moving against the Eurasian plate and the Iranian plate
Pacific plate subducting under the continental Eurasian plate
Sinking of the Indian plate under the Eurasian plate
Plunging of South American and North American plates under the Caribbean plate
The scale used to measure the strength of an earthquake.
Richter scale
Mercalli scale
Beufort scale
Davis scale
How is the Mid-Atlantic ridge formed?
By subduction
By underwater volcano eruption
By sea-floor spreading
By tension between two plates that slides past each other
