Volcano

Question 1

vent / fissure on earth’s surface that contains lava ashes gases

Answer 1

volcano

Question 2

formation of volcano

Answer 2

heat-tectonic plates constantly moving-when collided can result to -volcano-has vent on top-mountain-no vent-plain -flat

Question 3

frequency of eruption

Answer 3

active
dormant
extinct

Question 4

physical structure

Answer 4

cinder cone
shield v
coppposite
lava dome

Question 5

currently erupting has erupted once in a decade

Answer 5

active

Question 6

hasnt erupted over a decade
sleeping giants
rotten eggs-sulfur

Answer 6

dormant

Question 7

will not erupt again

Answer 7

extinct

Question 8

simplest type

steep conical hill consisting glassy volcanic fragments arounf and down from colvanic vent. 10-100s

Answer 8

cinder cone

Question 9

examples of cinder cone

Answer 9

smith v -cagayan

jolo group - jolo,sulu

Question 10

large broad wide volcanoes shallowly-sloping sides

Answer 10

shield

Question 11

ex of shield

Answer 11

biliran v - biliran

mariveles v -bataan

Question 12

• alternating layers lava flow ash conders blocks bombs

- conduit system

Answer 12

composite

Question 13

ex of composite

Answer 13

mt. apo - pampanga

babuyan claro - cagayan

Question 14

high viscosity
roughly circular moound shaped = slow extrusion of lava
piles up over vent

Answer 14

lava dome

Question 15

ex of lava dome

Answer 15

didicas - amorong

amorong- nw of luzon

Question 16

considered volcanic e. as hazard

Answer 16

cuz of harmful effects

Question 17

suden occurence or violent discharge of steam and volcanic materials (magma, ashes, gases)

Answer 17

v. eruption

Question 18

signs of v. eruption

Answer 18

• increase in e.quake n tremors
• volcanic ash
• lava flow
• landslide
• pyroclastic flow
• volcanic gases

Question 19

types of v. eruption

Answer 19

• icelandic
• hawaiian
• strombolian
• vulcanian
• pelean
• plinian

Question 20

molten basaltic that flow from long parallel fissures

often build lava plateus

Answer 20

icelandic e.

Question 21

gentle, low level e

from summit to radial fissures = shield volcanoes

Answer 21

hawaiian e.

Question 22

mild blasts

cyclical/nearly continuous blasts

Answer 22

strombolian e.

Question 23

moderate explosion of gas laden w v. ash

dark turbulent clouds that rapidly ascend and expand in convoluted shapes

Answer 23

vulcanian

Question 24

extremely destructive
explosive outburst
sideways-slurries

Answer 24

pelean

Question 25

largest most violent gases can rise up to stratosphere lightning srikes

Answer 25

plinian

Question 26

before

Answer 26

- identify volcanic risks - buy insurance - create emergency and shelter plan - assemble and maintain emergency survival bag/items

Question 27

during

Answer 27

- wear masks - seek for shelter - stay out of restricted zones - put emergency plan into action - listen to local stations to stay updated - weak masks and goggles - close doors, windows and block any open corners

Question 28

after

Answer 28

- listen to news updates - keep your roof and gutters clear of ashes for heavy deposits can cause roof to collapse - use mask, damp cloth, eye protection when cleaning up. moisten ash before cleaning - look for and report broken utility lines to appropriate authorities