Waves
What are the 3 types of waves
Primary waves, secondary waves, and surface waves
What is the ancestor of the sesimograph
Sesimoscope
What does a magnitude of a earthquake mean
How strong the earthquake is
what is a focus
Where the earthquakes starts
How strong was the port Alice, Bc earthquake
A magnitude of 5.3
What wave goes along the earths surface
Surface wave
When was the first sesimograph made
132CE
The higher the number the ______ the strength of the earthquake is
Greater
What is an Epicenter
Location is on the surface above the focus
Do we often get earthquakes
Yes
What’s the slowest wave
Surface wave
What does the sesimograph indicate
It indicates when the earthquake started
what is the highest number on the richter scale
10
How do earthquakes happen
When underground rocks break and there is a rapid motion along the fault
What is the largest earthquake ever reported
A magnitude of 9.5 in Chile
What waves can go through solid and liquids
Primary waves
What wave does the sesimograph detect
P and S waves
Each of the number represents a magnitude of what number times larger than the last number
10 times
What is the hot zone for earthquakes
The ring of fire
What was the strongest earthquake in Bc
Magnitude of 8.1
Does the surface wave cause the least or most amount of damage
Most
What direction does sesimograph measure
North, east, south, and west
What is a magnitude of 10 equivalent too
TNT
Do our continents move because of earthquake
Yes
Name one place near us that has a sesimograph
Answers may very