Earthquakes

What causes earthquakes?

• Tectonic plates moving and colliding.

• Excessive rainfall and flooding.

• Human activities such as construction.

• Global warming and climate change.

How can earthquakes impact the environment?

• By creating new mountains.

• By increasing the temperature of the Earth's core.

• By reducing the amount of rainfall.

• By causing landslides and soil liquefaction.

What should you do if you are indoors during an earthquake?

• Hide under a table or desk, away from windows.

• Stand near a window for a better view.

• Run outside as quickly as possible.

• Jump out of a window to safety.

How are earthquake magnitudes measured?

• On the Richter scale.

• By the amount of damage caused.

• By the size of the fault line.

• By the number of people affected.

Which government agency is tasked to identify the intensity of earthquake in the Philippines?

• PAG-ASA

• PHIVOLCS

• NDRMMC

• MMDA

The following are the several factors that affect the intensity of an earthquake EXCEPT

• distance from the epicenter of the earthquake

• defective building design and substandard materials.

• kind of ground where structure was built

• the interior design inside the house

Which of the following instruments is used to detect and measure an earthquake?

• Rossi-Forel Scale

• Richter Magnitude Scale         

• seismograph

• seismogram

Which refers to the epicenter of an earthquake?

• a seismic wave that travels along the surface of the earth

• the last place that motion in an earthquake is detected

• the point on the earth’s surface directly above the earthquake’s focus

• the location along a fault where the first motion of an earthquake occurs.

What does the acronym PHILVOLCS means?

• Philippine Institution of Volcanology and Seismology

• Philippine Institute of Volcanologist and Seismologist

• Philippine Institution of Volcanologist and Seismologist

• Philippine Institute of Volcanology and Seismology

Which of the following is true about earthquakes in the Philippines?

• The Philippines is not prone to earthquakes.

• Earthquakes in the Philippines only occur during certain seasons.

• The Philippines lies in the Pacific Ring of Fire, making it prone to earthquakes.

• Earthquakes in the Philippines are caused by hurricanes.