EOSC 114 Volcanoes UPDATED ACTUAL Questions and CORRECT Answers
4 views 0 purchase
Module
EOSC 114 Volcanoes
Institution
EOSC 114 Volcanoes
EOSC 114 Volcanoes UPDATED ACTUAL
Questions and CORRECT Answers
What correctly describes volcanism at a continental volcanic arc? - CORRECT
ANSWER- High Viscosity dacitic lavas and explosive volcanism
During the 1986 lake Nyos eruption, the most dangerous areas to be in were_____because the
...
EOSC 114 Volcanoes UPDATED ACTUAL
Questions and CORRECT Answers
What correctly describes volcanism at a continental volcanic arc? - CORRECT
ANSWER✔✔- High Viscosity dacitic lavas and explosive volcanism
During the 1986 lake Nyos eruption, the most dangerous areas to be in were_____because the
gas was______? - CORRECT ANSWER✔✔- In valleys,denser than air
what magma type is produced by partial melting of the Earth's mantle? - CORRECT
ANSWER✔✔- Mafic
Fatalities from volcanic eruptions have increased steadily over the past 200 years because
_________. - CORRECT ANSWER✔✔- the world's population has increased and people are
living closer to 100% volcanoes.
True or False:Mount St. Helens is a composite volcano that can erupt magmas with the entire
possible range of silica contents. - CORRECT ANSWER✔✔- True
What type of volcanic landform is MOST commonly associated with Hawaiian mafic
volcanism? - CORRECT ANSWER✔✔- Shield Volcano
A high volcano explosivity index (VEI) generally corresponds with _________. - CORRECT
ANSWER✔✔- Long recurrence intervals
The type of magma most likely to cause a violent volcanic eruption is________. - CORRECT
ANSWER✔✔- high viscosity and relatively cool
True or False:All minerals have Si and O. - CORRECT ANSWER✔✔- False
What is NOT measured in volcano monitoring programs - CORRECT ANSWER✔✔-
temperature of the magma body at depth
, What was the volcanic hazard that caused the tragedy at Lake Nyos in Cameroon? -
CORRECT ANSWER✔✔- Co2 gas
Pyroclastic flows don't originate in _______. - CORRECT ANSWER✔✔- fall of ballistic
debris
A common example of a mafic volcanic landform is a ________. - CORRECT
ANSWER✔✔- Shield Volcano
A hazard NOT caused by volcanic ash and ash clouds is: - CORRECT ANSWER✔✔-
causing a tsunami when ash falls into the ocean
Most magma is generated by melting of pre-existing rock through _________. - CORRECT
ANSWER✔✔- decompression melting
The majority of the world's explosive volcanoes are found at: - CORRECT ANSWER✔✔-
Convergent plate boundaries
Which volcanic hazards is the LEAST hazardous to humans? - CORRECT ANSWER✔✔-
Lava
What is NOT a product of a volcanic eruption? - CORRECT ANSWER✔✔- intrusive
igneous rocks
The MOST LIKELY place to find an active subaerial volcano is ______. - CORRECT
ANSWER✔✔- Above a subduction zone
A magma erupting at a temperature of 600-800°C, with high silica content, high gas content,
and high viscosity will erupt as a/an _________. - CORRECT ANSWER✔✔- rhyolite
pyroclastic flow in a caldera
he explosivity of hot spot volcanism is dictated by ? - CORRECT ANSWER✔✔- the
composition of the overlying plate
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller MGRADES. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £8.62. You're not tied to anything after your purchase.
