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Jouer Test
1. 
The U.S. Geological Survey defines a volcano as a vent in Earth's surface, either on land or on the seafloor, from which molten rock called magma, as well as ash and gases, can erupt or ooze. _____________ are different, with some erupting spectacularly and others, most notably Hawaii's shield volcanoes, steadily oozing lava.
A.
presence of lava
B.
volcanic eruptions
C.
tsunamis
D.
earthquakes
2. 
Beijing exaggerates power-generation capabilities and improvements to navigation and flood control, and glosses over the upstream threat from the 4,000-mile-long Yangtze's huge silt load and the potential for earthquakes and landslides in the highly __________. And the government has launched the difficult and massive resettlement at a time of growing rural economic discontent and the widening gap between rich and poor.
A.
magma movement
B.
earthquake
C.
seismic area
D.
tectonic plates
3. 
On the Thai coast, holiday makers and residents evacuated the beaches, many heading for elevated bits of highway on the coastal road. Today's earthquake was one of the most powerful in the last 50 years. But geologists said, this time, the earth's __________ shifted horizontally and not vertically. That prevented the formation of huge tsunamis, like the ones that devastated western Indonesia in 2004 and northern Japan last year.
A.
magma movements
B.
An explosion of vapor, ash, and rock
C.
seismic area
D.
tectonic plates
4. 
An __________ with a preliminary magnitude of 2.6 was recorded Saturday evening. Its epicenter was near Imperial in Jefferson County. On other news, four more counties have been designated as primary natural disaster areas. The U.S. Department of Agriculture added Jefferson, Madison, Teton and Toole counties, bringing to 19 the total number of Montana counties declared natural disaster areas.
A.
earthquake
B.
explosion of vapor, ash, and rock
C.
phreatic eruption
D.
seismic area
5. 
He's spent much of his career since at Mt. St. Helens in Washington state. There he heads a volcano SWAT team, which fans out to rumbling mountains around the globe installing and monitoring sensors, interpreting earthquakes and __________ and warning of danger. From Mt. Surat to Mt. Pinatubo the team is credited with minimizing damage, death and injury. But all that is threatened now, according to the National Research Council, by a crisis of continuity.
A.
earthquake
B.
tectonic plates
C.
seismic area
D.
magma movement
6. 
Many buildings on Subic Bay base collapsed under the weight of ash and sludge created by heavy rain. The week of eruptions also dumped __________ on Clark Air Base, making its runways unusable. The volcano was relatively quiet today. Scientists said they believed the worst was over. The Red Cross said at least 101 people have been killed since the volcano began erupting June 9th. One hundred and eighty thousand Filipinos have taken shelter in refugee centers and there are shortages of food and clean drinking water.
A.
volcanic eruption
B.
tons of ash
C.
an explosion of of vapor, ash, and rock
D.
presence of lava
7. 
Two Costa Rican volcanoes began to show increased activity over the weekend, according to researchers from the University of Costa Rica (UCR) and the National University. _________ was recorded at Turrialba Volcano at 3 a.m. on Saturday. The dark column of ash was visible next to the white column of vapor and gases that has been rising from the crater over the past few weeks
A.
tons of ash
B.
tsunami
C.
an explosion of vapor, ash, and rock
D.
magma movement
8. 
The Great Tolbachik Fissure Eruption dramatically changed the local landscape and became an ecological disaster because of the tremendous __________ and ash. One of the first scientists to study the twin peaks made many discoveries about native species, local minerals, and the behavior of volcanoes.
A.
tsunami
B.
presence of ash
C.
seismic area
D.
An explosion of vapor, ash, and rock
9. 
Throughout the centuries, volcanic eruptions have claimed hundreds of thousands of lives due in part to the lack of accurate signs indicating imminent eruptions. One type of a volcanic eruption, _________, which involves external water, is particularly energetic causing a disproportionate number of fatalities. These eruptions are extremely difficult to forecast, often occurring with little or no geophysical precursors.
A.
phreatic eruption
B.
presence of lava
C.
tons of ash
D.
volcanic eruption
10. 
When former President Bill Clinton came to write his final report as special UN envoy for _________ recovery, three years after the 2004 Indian Ocean _________, he made his first " key proposition for building back better " the simple guideline that " governments, donors and aid agencies must recognize that families and communities drive their own recovery. " Though that may seem self-evident, he wrote, " the experience of the _________ only underscores the reality that rhetoric in this area has yet to translate fully into practice. " Having rebuilt his home by himself, Copioso says he is clear how and why the improvements he has incorporated will make it stronger.
A.
presence of lava
B.
earthquake
C.
tsunami
D.
magma movement