18 Questions
Which natural trigger can lead to landslides?
Intense rainfall
What is the PHILVOLCS Earthquake Rating Scale called when people are forcibly thrown to the ground and most buildings are totally damaged?
Devastating
What is a common characteristic of areas where landslide hazards are most common in the Philippines?
Mountainous and inland regions
Which phenomenon is described as a process where loose saturated sand behaves like a liquid during an earthquake?
Liquefaction
What is a significant feature of the Philippines' active volcanoes in terms of global ranking?
Most deadly and costly
What type of structure may experience displacement, twisting, or overturning during an earthquake?
Tombstones
What aspect of earthquake risks does the Dynaslope Project focus on?
Deep-seated and catastrophic landslides
What factor is NOT mentioned as a mode of failure in landslides?
Eruption
Which area is particularly prone to numerous landslides and rockfalls during an earthquake?
Mountainous regions
What may cause man-made structures to sink, tilt, or topple during an earthquake?
Liquefaction and lateral spreading
Which event can lead to massive landslides and liquefaction according to the text?
River water splashing over dikes
Which feature is commonly observed when trees are violently shaken during an earthquake?
Roots being uplifted
What type of flooding is characterized by shallow water flowing over a wide area?
Sheet flooding
In what regions in the Philippines are considered earthquake-prone, experiencing about 16 felt earthquakes per year?
Eastern Visayas
Which earthquake intensity level on the PHILVOLCS Earthquake Rating Scale is described as 'Felt by many people indoors, vibration similar to a light truck passing'?
Intensity III
What factor contributes to earthquake risk in the Philippines due to its location over multiple tectonic plate boundaries?
Proximity to tectonic plate boundaries
What phenomenon is a significant concern in central Luzon according to the text?
Liquefaction
Which type of flood is characterized by destructive flood waves, quick occurrence, and often found in mountainous areas?
Flash flooding
Explore the impact of earthquakes on landscapes, including widespread landslides, liquefaction, lateral spreadings, sandboils, ground distortion, tree damage, boulder projection, river water splashes, and structural destruction. Observe massive geological changes like subsidence, uplifting of land forms, ground fissures, and river course alterations.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
