Term
| The current world population is approximately....... |
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Definition
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Term
| What two hazard types have caused the most damage and loss of life (globally) over the last 100 years |
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Definition
| hurricanes and earthquakes |
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Term
| As the magnitude of a disaster increases its recurrence interval (time between events) |
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Definition
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Term
| How has the growth rate of the human population changed over the last 20 years? |
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Definition
| it has decreased from 1.8 to 1.2 percent |
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Term
| On the early Earth what biologic process over time drastically changed Earth’s atmosphere? |
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Definition
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Term
| Which of the following elements is the most abundant in the core of the Earth ? |
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Definition
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Term
| Which of the following space objects would have similar composition to the mantle of the Earth? |
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Definition
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Term
| Which description of radioactive isotopes would indicate the oldest rocks? |
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Definition
| much more daughter isotopes than parent isotopes |
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Term
| During the final stage, of this process, the Earth was bombarded by asteroid and comets. |
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Definition
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Term
| Which of the following processes resulted in a structured and an internally layered planet? |
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Definition
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Term
| The Earth's internal heat is responsible for causing which of the following? |
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Definition
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Term
| What best describes the magnetic anomalies oceanographers discovered in the 50’s? |
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Definition
| paleomagnetic patterns on the ocean floor resulting from sea floor spreading |
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Term
| Convection in the mantle makes plates move so that areas of rising mantle result in... |
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Definition
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Term
| The oldest oceanic crust is... |
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Definition
| found near oceanic trenches |
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Term
| What tectonic process, by its action, can directly result in a continental collision zone? |
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Definition
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Term
| Which of the following is true about the asthenosphere? |
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Definition
| it is partially molten (squishy) low velocity upper mantle |
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Term
| The type of fault that occurs in an area undergoing a compressional force is a...... |
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Definition
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Term
| The Modified Mercali scale would be least helpful in describing the... |
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Definition
| moment magnitude of an earthquake |
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Term
| The 9.6 Chile (‘60), the 9.2 Alaska (‘64), and the Indonesia (‘04) quakes were generated by..... |
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Definition
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Term
| San diego is located on the |
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Definition
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Term
At your location you notice an incoming earthquake on a
seismogram. The time between the P-wave and S-wave is 30
seconds. The seismogram records the maximum amplitude of the
S-wave at 15 millimeters.
What is the Richter Magnitude? |
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Definition
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Term
| How far from the quake is the seismograph located? |
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Definition
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Term
A quake that produces strong shaking for 30 seconds
would likely have a Moment magnitude of _____? |
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Definition
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Term
| The Modified Mercalli Scale has a range from..... |
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Definition
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Term
| When an oceanic and a continental plate converge….. |
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Definition
| the oceanic plate will be subducted |
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Term
| Where would you find an active subduction zone? |
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Definition
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Term
| What place in the world would be an example of a continental margin subduction zone? |
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Definition
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Term
| What place in the world would be an example of a continental margin subduction zone? |
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Definition
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Term
| What place in the world would be an example of a linear-sea rift zone? |
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Definition
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Term
| Where would you find an island chain formed by hot spot volcanism? |
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Definition
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Term
| The main process that causes volcanoes to explode violently is _______________. |
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Definition
| a decrease in pressure triggering rapid expansion of the gases in a magma |
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Term
| Eighty percent of Earth’s volcanic activity is not very observable and occurs along |
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Definition
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Term
| Magma made by lowering pressure forms along_____ by ________ |
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Definition
| ocean rift systems by de-compressive melting of the asthenosphere |
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Term
| Which composition would make the intermediate color rocks? |
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Definition
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Term
| Which composition would be associated with mudflows? |
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Definition
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Term
| Which composition would be characteristic of Mt St Helens in Washington |
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Definition
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Term
| Which of the following describes the eruption of Mt. Pinatubo in 1991? |
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Definition
| a moderate volume ash-rich columnar eruption |
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Term
| Which of the following volcanoes produced one of the largest eruptions in the last million years? |
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Definition
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Term
| What caused the biggest historic tsunami? |
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Definition
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Term
| What caused the LISBON tsunami? |
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Definition
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Term
| What caused the SANTORINI tsunami? |
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Definition
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Term
| What is the cause of seasons on Earth? |
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Definition
| the steady orientation of the Earth’s axis as we move around the sun |
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Term
| What would make the Earth push toward an ice age? |
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Definition
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Term
| What is true about our present understanding of climate change on Earth? |
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Definition
| The climate over the last 100 years has changed at a higher rate (faster) than normal |
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Term
| Based on climate data the interval between 17,000-11,000 YBP was characterized by a _______, which caused sea level to___________ |
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Definition
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Term
| What do scientists accept about the connection between climate and El Nino-La Nina oscillations… |
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Definition
A) Short-term climate changes over 70 percent of the planet
B) The number of Atlantic hurricanes can vary due to changes to the subtropical jet stream
C) Heat flow and related weather patterns change over North America
D) The conditions for life radically change in some surface ocean waters
E) all of the above are true about the connection between El Nino-La Nina |
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Term
| Which of the following would be the most likely location for a hurricane to develop? |
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Definition
| 20 degrees N latitude, in August off the west coast of Africa |
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Term
| Which of the following is relevant to the height and damage from the storm surge? |
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Definition
A) coastline shape
B) wind speed
C) wave height
D) topography
E) all of the above |
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