Where Earthquakes Occur (Leaving Cert Geography): Flashcards
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10 cards from this deck
Where do most dangerous earthquakes occur?
Where do most dangerous earthquakes occur?
They occur at subduction zones primarily in convergent boundaries.
Which subduction zone has the highest risk of earthquakes?
Which subduction zone has the highest risk of earthquakes?
The Japan Trench is known for its high earthquake risk.
What are the three types of plate boundaries?
What are the three types of plate boundaries?
Convergent, divergent, and transform plate boundaries.
What magnitude was the Nepal earthquake on April 25, 2015?
What magnitude was the Nepal earthquake on April 25, 2015?
It was a 7.8 magnitude earthquake near Kathmandu.
How many people were affected by the Nepal earthquake?
How many people were affected by the Nepal earthquake?
Approximately 8 million people were affected.
What was the depth of the Nepal earthquake's focus?
What was the depth of the Nepal earthquake's focus?
The focus was about 15 km below the surface.
What triggered aftershocks in Nepal's 2015 earthquake?
What triggered aftershocks in Nepal's 2015 earthquake?
Seismic activity stressed the fault line causing aftershocks.
How many buildings were destroyed in the Nepal earthquake?
How many buildings were destroyed in the Nepal earthquake?
Over 130,000 buildings were destroyed including Dharahara.
What is a tsunami caused by?
What is a tsunami caused by?
It is caused by an undersea earthquake displacing water.
How long before the tsunami did Japan get a warning?
How long before the tsunami did Japan get a warning?
Warnings were received only 10 minutes before the wave hit.