Internal Disturbances Flashcards
Basically studying earthquakes (25 cards)
Earthquakes rarely occur in
Brazil
“Caldera” is a feature associated with
Volcanoes
The instrument used for measuring earthquake is
Seismograph
Which ocean has the world’s largest number of active volcanoes and is called “Ring of Fire”
Pacific Ocean
Earthquakes are caused by
Faulting
Earthquakes and volcanoes occur mostly in
Folded and Faulted region
The phenomenon of an opening in the earth’s surface through which a jet of hot water and steam is forced out regular intervals is called
Geysar
The intensity of earthquakes is measured on which scale?
Richter scale
The volcanic region “Ring of fire” surrounds:
Pacific Ocean
Molten rock below the earths surface is called
Magma
Tsunami us a large sea wave caused by an earthquake experienced recently along the coasts of
Japan
Mouna Loa is an example of
Active Volcano
The vertical igneous rocks inside the earths surface are called:
Dyke
Tsunami is a word of which language?
Japanese
Tectonic force is related with the building of various features of
Earth’s crust
Study of earth quakes is called
Seismology
Ocean tidal waves which result from earthquakes are known as
Tsunami
The material that comes out of a volcano at the time of eruption is:
Solid, Liquid, Gaseous
Japan experiences frequent earthquakes because it is located
In the volcanic belt
What is a post- volcanic activity?
Earthquakes
Volcanoes that have not erupted at all in historic times retain the features of volcanoes are called
Extinct
The instrument used for recording tremors of earth, is known as
Seismograph
Which European country has over 200 volcanoes, many of them are still active?
Iceland
The epicentre of an earthquake is the
Nearest point to surface from the focus perpendicular to the earth’s surface