GEOG Day 25 Practice Questions – Flashcards

The Unzen volcanic complex is a composite of overlapping composite volcanoes and has had recent pyroclastic flows, lazars, and loss of life. This complex is in the country of _____. A) Australia B) Japan C) South Africa D) Canada E) Russia

Which of the following is most closely associated with a mantle plume? A) the lower Mississippi River Valley B) the Hawaiian Islands C) the Florida peninsula D) Southern California E) Western Europe

In Hawaii, the direction of movement of the "hot spot" means that the _____ is the oldest part of the island chain. A) northwestern islands B) center islands C) southeastern islands D) largest island E) rainiest island

What is the term for a piece of crust which has been in a collision along a convergent crustal boundary and become accreted to another crustal plate? A) loxodrome B) terrane C) midoceanic ridge D) terracette E) none of the above

Which of the following is NOT an intrusive volcanic landform? A) caldera B) vein C) dike D) sill E) batholith

Mt. St. Helens is _____. A) dead B) scheduled to erupt in the year 2050 C) likely to vigorously erupt again D) the largest volcano in the world E) the world's best example of intrusive vulcanism

Of the states below, which has the greatest number of volcanoes (active or inactive)? A) New York B) Florida C) Arizona D) Louisiana E) Alaska

Worldwide, volcanic eruptions are _____. A) mostly explosive B) a thing of the past C) rare D) mostly underwater E) rarely fatal to those around them

The totality of materials ejected from a volcano, including liquid material, ashes and dust is termed _____. A) lava B) magma C) silica D) granite E) pyroclastic material

The nature of a volcanic eruption is determined largely by the _____ of the magma. A) pressure B) color C) density D) chemistry E) temperature

The island of Krakatau disappeared in a volcanic explosion. Krakatau was located in the _____. A) ocean off of California B) Gulf of Alaska C) Java Sea D) Mediterranean Sea E) Arctic Ocean

Which of the following are waves generated by earthquakes? A) lahars B) monoclines C) plutons D) pyroclastic flows E) tsunamis

Evidence of former surface volcanic activity is often found in the vast accumulations of lava called _____. A) hot spots B) flood basalts C) magma D) calderas E) pyroclastic

Which is formed on top of Earth's crust? A) dike B) vein C) sill D) batholith E) flood basalt

Lava flows often create _____. A) volcanoes B) flat plains C) dikes D) batholiths E) volcanic necks

Crater Lake, Oregon, is an example of a volcanic _____. A) lava flow B) peak C) caldera D) batholith E) neck

Shield volcanoes are _____ than composite volcanoes. A) wider B) taller C) steeper D) more explosive E) more widespread

Which of the following is NOT a landscape caused by faulting? A) grabens B) horsts C) the Swiss Alps D) the Sierra Nevada E) Crater Lake, Oregon

A volcanic mud flow is known as a(n) _____. A) tsunami B) mantle plume C) mafic form of lava D) lahar E) horst

A(n) _____ detects swelling and possible eruption in a volcano. A) tiltmeter B) anemometer C) seismograph D) ceilometer E) frightened graduate student