
What causes earthquakes?
Solar flares
Volcanic eruptions
Movement of tectonic plates
Tsunamis

What scale is used to measure earthquakes?
Counting the aftershocks
Richter scale
pH scale
Barometer

What was the magnitude of the 2010 Haiti earthquake?
Magnitude 13.0
Magnitude 7.0
Magnitude 1
Magnitude 8.5

Where do earthquakes occur most frequently?
In deserts
Underneath cities
Near volcanoes
Along tectonic plate boundaries

What are aftershocks?
Small earthquakes that occur after the main one
Underground explosions caused by volcanoes
Sudden bursts of wind
Lightning that occurs after an earthquake

What instrument detects earthquake activity?
Thermometer
Anemometer
Seismograph
Barometer

What does the Richter scale measure?
The energy released by an earthquake
The depth of the earthquake's focus
The duration of shaking
The number of aftershocks

How do buildings and infrastructure resist earthquakes?
Through tall spires
Through engineering techniques
By using natural materials
Through a shallow foundation

What is liquefaction?
Conversion of water into gas
Formation of glaciers
Solidification of magma under Earth’s surface
When saturated soil acts like a liquid during shaking

What is the focus of an earthquake?
Another term for the epicenter
The point within Earth where the earthquake originates
The intensity of shaking
The number of aftershocks

How do seismographs work?
They measure atmospheric pressure
They detect ground motion from seismic waves
They analyze changes in ocean currents
They monitoring volcanic gas emissions

What is the epicenter of an earthquake?
The width of the fault line
Another term for the focus
The magnitude of the earthquake
The point on the Earth's surface directly above the focus

Which of these infamous earthquakes happened in 1906?
San Francisco earthquake
Tohoku earthquake in Japan
7.0 Mw Haiti earthquake
Bam earthquake

Which Southeast Asian country had a major earthquake in 2011?
Mongolia
India
Japan
Thailand

How do tsunamis relate to earthquakes?
Tsunamis cause earthquakes by creating pressure on faults
Tsunamis form by displaced water resulting from earthquakes
They occur simultaneously in most cases
Earthquakes and tsunamis are not related

The 2004 Indian Ocean tsunami devastated which country?
Madagascar
India
The Maldives
Indonesia

How do animals sometimes behave before an earthquake?
The behave unusually, or they may flee the area
They perform synchronized dances
The building shelters
They immediately start migrating

What is the Ring of Fire?
A seismic zone around the Pacific Ocean
A group of volcanoes in Hawaii
A zone in Asia where lightning is very common
A fictional location in a fantasy series.

What type of fault lines mainly cause earthquakes?
Zigzag, loop, and spiral faults
Horizontal, vertical, and diagonal faults
Normal, reverse, and strike-slip faults
Long, short, and curved faults

How do scientists predict earthquakes?
By the number of nearby volcanic eruptions
Earthquakes can be predicted by astrology
Earthquakes cannot be accurately predicted
Scientists monitor their pets’ behavior