(Caravan) Volcanoes and Earthquakes + Desert n Plains Flashcards
(47 cards)
The earthquakes waves which have transverse movements are known as
Secondry waves
The instrument of Seismograph is used in the study of
Earthqaukes
During an earthquake, the major destruction is caused by the energy released due to
Seismic Waves
____ measures the strength or magnitude of an earthquake
Ritcher Scale
Ring Of Fire refers to the ring of volocanoes present in
Circum-Pacific Seismic Belt
the Ring of Fire is a major area in the basin of the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur. it is associated with a nearly continuous series of oceanic trenches, volcanic arcs, and volcanic belts and plate movements.
Volcanic eruptions occur due to
Conversion of rocks in the deeper layers of earth’s crust to a molten state of magma
Factor of Earthquake occurences
- Sudden cooling and contraction of the earth’s surface
- Acitvity of dormant volcanoes
- Change of water in to steam due to internal heat and its expansion
A crack in the earth’s crust through which hot magma and gases forces out is called
Volcano
____ island was epicentre of Tsunami on 26 Dec 2004
sumatra
______ Phenomena is the responsible for the formation of the highest mountains
Volcanic Activites
Volcanic Mt. Etna is located in
Italy, Sicily
Fujiyama?
A volcano mountain in Japan
Stromboli volcano is located in
Sicilly ; Italy
Mt Katmai valley in Alaska is known as the
Valley of ten thousand smokes
Hibok volcano which exploded in ___ present in
1951
Philippines
Vesuvius is te name of
Volcano mountainn in Italy
The Devil Tower
volcano in USA
The largest volcano crater in the world is
Toba (Indonesia)
Tsaunami hit the area of Makran in
1946
___ countries were effected from the Tsaunami of 2004
12
Quetta city was completely destroyed to Earthquake of
1935
30,000 died
An earthquake of _____ magnitude on richter scale hit the norhtern areas of Pak and Azad Kashmir on
7.6
8th Oct 2005
73,276 died
The epicenter of Earthquake of 2005 was
earthquake’s epicentre was located in the Hindu Kush mountains, near the town of Garhi Habibullah,
Largest desert in the world
Present in North Africa
Sahara