Intro to Earthquakes P. Part 1- Go to Science of Earthquakes on my teacher page.

What is an earthquake? _An earthquake is what happens when two blocks of the earth suddenly slip past one another.
What is a foreshock? __Sometimes an earthquake has foreshocks. These are smaller earthquakes that happen in the same place as the larger earthquake that follows.__
larger earthquake that happens in the ___same place as ___larger earthquake that .
The largest, main quake is called the ___mainshock
An aftershock follows a aftershock. These are___smaller earthquakes that occur after in the same place as the mainshock.
How long can aftershocks last? __weeks months even years

Plate boundaries made up of
Most earthquakes occur on
What causes earthquakes? Edges of plates are , they get while rest of the . When plates has enough, on one of the .
Energy from an earthquake radiates from the in directions.
What happens to the waves when they reach the surface?
What instrument is used to measure the size of the earthquake? The recording they make is called a
What does the size of the earthquake depend on? (2) and
What is the size of the earthquake called?
Which travels faster, P waves or S Waves?
What method do scientists use to determine exactly where an earthquake is?
How many seismographs do they need to determine where an earthquake occurred? ___
Can scientist predict earthquakes?

Part 2- Watch Brainpop-Earthquakes (Login-noblemid Password- lab) Turn on Closed Captions
What does lithosphere mean?
What causes the mantle to move?
Can you stop plate motion?
The spot on the fault where the pressure first releases is called the
The spot on the earth’s surface directly above the hypocenter is called the
When does the most intense shaking occur?
How much stronger is the earthquake than the one below it?
A region of frequent seismic activity is called the
TO be prepared for an earthquake: 1. Create a 2. Plan how your family will
Part 3- Go to Geography4Kids Earthquakes on my website
List 3 ways earthquakes change the landscape. 1.
2. 3.
Why can you feel earthquakes hundreds of miles away?

Define focus.

Part 4 “Quiz on Earthquakes.” Click on brown button at bottom of page. How many did you get right?
Part 5- Go to Checking Current Earthquakes-
Click on “Latest Earthquakes” map. On the left side you will see a list of the latest earthquakes in the world that have been a 2.5 magnitude or higher. How many earthquakes occurred around the world TODAY?
Zoom out on the map and see where these earthquakes have taken place (orange dots). Where have most taken place?
Where was the most recent earthquake in the US?
Using the USGS website, mark all the earthquakes that occurred in the US today with a colored circle.

Part 7-Click on Earthquake “Top 10” Lists and Maps on my teacher page.
Name the location of the LARGEST earthquake in the US, the date of the earthquake and the magnitude of it.

Looking at the list of the top 20 strongest earthquakes, name 5 different states where they have occurred.
1.
2.
3.
4.
5.

Which earthquake was the most deadly in US history? Date? How many people die?

Where did the largest earthquake in the WORLD take place? When? and magnitude?