Earthquakes and tsunamis Flashcards
What is the focus of an earthquake
The point within the earthquake where the earthquake begins w
How do earthquakes occur
When to plate collide (destructive) or slide by each other (passive) energy gets built up this is released as shock waves .
What is the epicentre of an earthquake
The point directly above the focus
Where the major damage occurs
What are the smaller earthquakes that occur a few dys after called
Aftershocks
What do you use to measure an earthquake
Seismograph Measured by a seismologist
What do you use to me sheer the strength of the earthquake
Richter scale
What is the mercalli
How ppl gauge the earthquake based in the destruction
What are the effects of an earthquake
Economic: buildings destroyed , repair damage, people loose jobs
Social: death, sickness as water supply damaged, loss of friends and family’s
Environmental: mud slides, land slides, avalanche
What is a tsunami
A tsunami is a giant wave that is cause by an earthquake that takes place in sea
