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4th quarter pls lord help me > DRRR_M1 > Flashcards

DRRR_M1 Flashcards

1
Q

these are fragments produced by volcanic eruption; usually divided into three

A

tephras

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1
Q

What are the 8 stated parts of volcano?

A

magma chamber, main vent, side vent, smoke and ash, crust, mantle, crater, lava

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2
Q

what are the three (3) tephras

A

ash, lapili, and volcanic bomb

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3
Q

particles that are smaller than 2 mm(0.08 inch) in diameter; one of the tephras

A

ash

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4
Q

Between 2 and 64 mm (0.08 and
2.5 inches) in diameter; an example of a___ is a scoria

A

lapili

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5
Q

give me an example of lapili

A

scoria

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6
Q

larger than 64mm; called volcanic rock when solid

A

volcanic bomb

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7
Q

what are the 10 signs that a volcanic eruption is about to happen or impending?

A
  1. increased occurrences of volcanic tremors
  2. increased steaming activity
  3. crater glow
  4. ground swells, ground tilt, ground fissuring
  5. localized landslides
  6. drying up of vegetation
  7. increase in temperature of its crater lake
  8. noticeable variation of the content of crater lake or springs; there is a presence of carbon dioxide and sulfur dioxide spikes
  9. drying of springs or wells
  10. new or reactivated thermal areas (solfataras)
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8
Q

crater lake released approximately 100,000 to 300,000 tons of carbon dioxide killing 1700 people and 3500 livestock via asphyxiation

A

lake nyos disaster

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9
Q

lake nyos disaster crater lake released approximately ______to ______ tons of carbon dioxide killing _______ people and ________ livestock via ________

A

100,000 to 300,000; 1700;3500; asphyxiation

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10
Q

new or reactivated thermal areas

A

solfataras

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11
Q

what are the four parameter used to monitor a volcano?

A
  1. ground deformation
  2. seismic activities
  3. gases
  4. sensory observations
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12
Q

any surface changes in the perimeter of the volcano

A

ground deformation

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13
Q

tremors or quakes; a parameter

A

seismic activitya

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14
Q

a parameter; presence of CO2 and SO2(sulfur dioxide)

A

gases

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15
Q

the four sensory observation

A

olfactory, auditory, visual, tactiel

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16
Q

a sensory observation; steam

A

visual

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17
Q

a sesory observation; rumbling sounds

A

auditory

18
Q

a sensory observation; smell of rotten eggs (sulfur)

A

olfactory

19
Q

a sensory observation; ground movement is felt

A

tactiel

20
Q

what are the two types of volcano?

A

stratovolcano and shield volcano

21
Q

a type of volcano that has a low profile which resembles a warrior’s shield, low lava viscosity, described as having a gentle effusive eruptions

A

shield volcanoes

22
Q

a volcano located on mars

A

olympus mons

23
Q

what type of volcano is olympus mons

A

shield volcano

24
Q

volcanoes found in hawaii

A

mauna loa, and mauna kea

25
Q

what type of volcanoes are mauna loa and mauna kea ?

A

shield volcano

26
Q

also known as a composite volcano

A

stratovolcano

27
Q

high lava viscosity; known for its eruptive explosion

A

strato volcano

28
Q

characterized by having a high steep profile, with summit crater

A

stratovolcano

29
Q

a volcano that is in the philippines and its type

A

mt mayon, a stratovolcano

30
Q

a volcano that is in the USA and its type is

A

augustine volcano, a stratovolcano

31
Q

a volcano that is located in japan and its type is

A

mount fuji, a stratovolcano

32
Q

what are the two secondary type volcano?

A

caldera-type and lava dome

33
Q

cauldron like; forms because of collapse due to emptying of magma chamber

A

caldera-type volcanoes

34
Q

a volcano that is located in hawaii which was technically a shield volcano but now a caldera type

A

mt killaeu, a caldera-type volcano

35
Q

a volcano found in the philippines which is a caldera type and was technically a stratovolcano

A

mount pinatubo

36
Q

mound-shaped protrusion; slow release of lava but highly viscous; forms inside a caldera volcano

A

lava dome

37
Q

a lava dome located in chile

A

mt chaiten

38
Q

a lava dome located in peninsula, alaska

A

mt novarupta

39
Q

what are the three countermeasures against volcanic disasters?

A
  1. monitoring levels
  2. preparedness guide
  3. hazard map
40
Q

what does PDZ mean

A

permanent danger zone

41
Q

how many alerts are in the monitoring levels

A

0 to 5 alerts

42
Q
A

4th quarter pls lord help me (25 decks)

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