Earthquake Magnitude Scale Quiz

Play an AI-generated podcast conversation about this lesson

What is the primary characteristic of a magnitude 3 earthquake on the scale?

Hanging objects swing violently

Felt by a few individuals at rest indoors (correct)

Liquids are slightly disturbed

Trees are noticeably shaken

Which of the following is a characteristic of a magnitude 6 earthquake?

Very old or poorly built houses are slightly damaged

Trees are noticeably shaken (correct)

Liquids are spilled

Hanging objects swing slightly

What is a potential effect of a magnitude 8 earthquake?

Boulders are thrown out from their positions near the epicenter (correct)

Wall plaster cracks

Furniture moves or may be shifted

Railway tracks are bent or broken

Which of the following is a characteristic of liquefaction during an earthquake?

Structures may sink, tilt or topple Signup and view all the answers

At what magnitude level on the scale do sleeping people typically awaken and some may run outdoors?

Magnitude 5 Signup and view all the answers

Which of the following is a characteristic of a magnitude 7 earthquake?

Poorly built structures suffer considerable damage Signup and view all the answers

What is the primary cause of liquefaction during an earthquake?

Ground vibrations and shaking Signup and view all the answers

Which type of landslide movement is characterized by a downward and outward movement of soil or rock?

Slide Signup and view all the answers

Which of the following is NOT a direct volcanic hazard associated with eruptions?

Liquefaction Signup and view all the answers

What is the primary trigger for deep-seated and catastrophic landslides, according to the Dynaslope Project?

Intense rainfall Signup and view all the answers

Which of the following is NOT a characteristic of a 'Completely Devastating' earthquake, according to the earthquake rating scale?

Utility posts and towers remain standing Signup and view all the answers

What is the term used to describe the horizontal displacement of gently sloping ground during an earthquake?

Lateral spreading Signup and view all the answers

What is the primary cause of coastal flooding?

Storm surges, high tide, and tsunamis Signup and view all the answers

Which region of the Philippines is most prone to liquefaction?

Central Luzon Signup and view all the answers

What is the PHILVOLCS Earthquake Rating Scale Intensity Scale for "Scarcely Perceptible" shaking?

1 Signup and view all the answers

What is the typical range of earthquakes per day in earthquake-prone regions of the Philippines?

5 to 20 Signup and view all the answers

What is the main cause of flash flooding?

Heavy rainfall in mountainous areas or steep places Signup and view all the answers