All Categories MCQs
Topic Notes: All Categories
General Description
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
70401
Which region is known for frequent earthquakes due to its location on multiple tectonic plate boundaries?
Answer:
Japan
Japan experiences frequent earthquakes due to its position on the convergence of four tectonic plates: Pacific, Philippine, Eurasian, and North American, part of the Ring of Fire.
70402
What technology is used to monitor ground deformation near volcanoes?
Answer:
GPS
GPS is used to monitor ground deformation near volcanoes, detecting subtle changes in elevation or shape that may indicate magma movement and potential eruptions.
70403
Which volcano in the Philippines erupted in 2020, causing mass evacuations?
Answer:
Taal
Taal Volcano erupted in January 2020, producing ashfall and prompting the evacuation of thousands in the Philippines. Its proximity to Manila heightened its impact.
70404
What is the term for the point directly above an earthquake’s focus on Earth’s surface?
Answer:
Epicenter
The epicenter is the point on Earth’s surface directly above the focus (or hypocenter), where an earthquake originates. It is the first area to experience seismic waves.
70405
Which country experienced a 7.8-magnitude earthquake in 2023, causing thousands of deaths?
Answer:
Turkey
In February 2023, a 7.8-magnitude earthquake struck southern Turkey and Syria, killing over 50,000 people and causing widespread destruction, highlighting the region’s seismic vulnerability.
70406
What type of seismic wave causes the most destruction near Earth’s surface?
Answer:
Surface waves
Surface waves, such as Rayleigh and Love waves, travel along Earth’s surface and cause the most destruction due to their high amplitude and slow speed, shaking structures violently.
70407
Which Indonesian volcano erupted in 2021, causing significant fatalities?
Answer:
Mount Semeru
Mount Semeru in East Java, Indonesia, erupted in December 2021, killing at least 57 people due to pyroclastic flows and lahars, underscoring the dangers of stratovolcanoes.
70408
What is the name of the active volcano in Hawaii that erupted in 2022?
Answer:
Mauna Loa
Mauna Loa, the world’s largest active volcano, erupted in November 2022 in Hawaii, producing lava flows that threatened nearby areas but caused no major damage.
70409
Which volcano erupted explosively in Iceland in 2010, disrupting global air travel?
Answer:
Eyjafjallajökull
Eyjafjallajökull’s 2010 eruption in Iceland produced a massive ash cloud that disrupted air travel across Europe for weeks, highlighting the global impact of volcanic activity.
70410
Where was the epicenter of the October 8, 2005, Pakistan earthquake, located 100 km north of Islamabad?
Answer:
Muzaffarabad
The epicenter of the October 8, 2005, earthquake was near Muzaffarabad in Azad Kashmir, about 100 km north of Islamabad. The region’s rugged terrain complicated rescue efforts.