Tsunami's
1: What is a tsunami?
A tsunami is a huge body of water like you see above, it is super strong almost nothing escapes its path. its caused when two tectonic plates are pushing againts eachother and just crack under pressure, these waves usually come in rounds its not just 1 wave its a series of multiple waves
2: When did this tsunami happen? (date)
This Tsunami happened on Christmas Day, 2004.
3: How many people died, in how many countries?
There were over almost 280,000 casualties in 11 countries.
4: What is the name of the warning center in Hawaii?
The name of the warning center in hawaii is the PTWC, or the Pacific Tsunami Warning Center
5: An area where one tectonic plate is pushing under another is called?
the area where one tectonic plate is pushing under another is called the subduction zone
6: What magnitude was this earthquake? What is a seismograph?
This earthquake was about a magnitude 9.
A seismograph is a machine that mesures the magnitude of an earthquake
7: How do tsunami sensor buoys work? Explain.
They monitor the depth of the water above them.
How many warning sensors/buoys are there in the Pacific?
Pacific: 32 buoys
Indian Ocean: 0
8: This earthquake was shallow. How many kilometers deep was it?
This earthquake was 30 kilometers deep
9: What is “tsunami initiation”? Explain.
Tsunami initiation is the displacement of a large amount of water by moving crust, sometimes giving birth to a tsunami.
10. If the waves on the beach suddenly suck out and expose the ocean floor for a large
distance out, WHY should you not run out to check it out? What should you do
instead?
You should not check it out because its telling you that a tsunami is arriving shortly to greet us all, instead you should get as far away as possible
11: How fast does the tsunami wave travel? Why is this different than a “surfer’s wave”?
Tsunamis "usually" travel at 1,000 kilometers per hour.
12: What does a boat in the open ocean feel during a tsunami wave?
They feel almost nothing because the wave is passing under them
13: What warning sign often occurs at the beach during a tsunami? What is amplification?
Before a tsunami reaches the shore, the water recedes, almost a mile.
Amplification is when the back of the wave is traveling faster than the front.
14: Is there usually only one wave in a tsunami?
Is there a pattern to the waves? Explain.
no there is no pattern, but there are usually multiple waves that come with the tsunami, one might come 5 min after or even 5 hours after.
15: Where is greater damage likely, on a gently sloping beach or a steeply sloping beach?
Explain why.
There is more damage likely on a sloping beach, because the steep beach will make the wave lose a lot of energy, because its deep
16: True or false, you are safe as the tsunami wave is passing back out?
FALSE!
17: How did the quake affect the earth’s day?
The quake made the earth's day shorter and made the earth wobble in it's orbit, particularly made the earths day shorter by 3 millions of a second.
18: What area of the United States is at risk for the same type of earthquake?
Hawaii is at risk for the same type of earthquake.
19: What are the four causes of a tsunami?
How many people on Earth are at risk of a tsunami?
Volcanos, earthquakes, meteors, or landslides
the majority of us humans live on the coast line meaning, we have a few tens of millions of us at risk.
20: What is happening in the Cascadia Subduction Zone? What could happen?
It is a zone similar to the Sumatrian zone which has plates that could snap like the ones there.
21: What is being done to help prepare for future tsunamis?
Buoys are being added everywhere, even in the indian ocean, and our warning systems are becoming a little better and accurate.
22: How many more buoys did the United States add to the Pacific Warning system?
What else is part of the Tsunami warning system?
39 buoys have been added to the pacific warning system
Also, they have new seismic sensors for detecting possible quakes that give birth to new tsunamis.
A tsunami is a huge body of water like you see above, it is super strong almost nothing escapes its path. its caused when two tectonic plates are pushing againts eachother and just crack under pressure, these waves usually come in rounds its not just 1 wave its a series of multiple waves
2: When did this tsunami happen? (date)
This Tsunami happened on Christmas Day, 2004.
3: How many people died, in how many countries?
There were over almost 280,000 casualties in 11 countries.
4: What is the name of the warning center in Hawaii?
The name of the warning center in hawaii is the PTWC, or the Pacific Tsunami Warning Center
5: An area where one tectonic plate is pushing under another is called?
the area where one tectonic plate is pushing under another is called the subduction zone
6: What magnitude was this earthquake? What is a seismograph?
This earthquake was about a magnitude 9.
A seismograph is a machine that mesures the magnitude of an earthquake
7: How do tsunami sensor buoys work? Explain.
They monitor the depth of the water above them.
How many warning sensors/buoys are there in the Pacific?
Pacific: 32 buoys
Indian Ocean: 0
8: This earthquake was shallow. How many kilometers deep was it?
This earthquake was 30 kilometers deep
9: What is “tsunami initiation”? Explain.
Tsunami initiation is the displacement of a large amount of water by moving crust, sometimes giving birth to a tsunami.
10. If the waves on the beach suddenly suck out and expose the ocean floor for a large
distance out, WHY should you not run out to check it out? What should you do
instead?
You should not check it out because its telling you that a tsunami is arriving shortly to greet us all, instead you should get as far away as possible
11: How fast does the tsunami wave travel? Why is this different than a “surfer’s wave”?
Tsunamis "usually" travel at 1,000 kilometers per hour.
12: What does a boat in the open ocean feel during a tsunami wave?
They feel almost nothing because the wave is passing under them
13: What warning sign often occurs at the beach during a tsunami? What is amplification?
Before a tsunami reaches the shore, the water recedes, almost a mile.
Amplification is when the back of the wave is traveling faster than the front.
14: Is there usually only one wave in a tsunami?
Is there a pattern to the waves? Explain.
no there is no pattern, but there are usually multiple waves that come with the tsunami, one might come 5 min after or even 5 hours after.
15: Where is greater damage likely, on a gently sloping beach or a steeply sloping beach?
Explain why.
There is more damage likely on a sloping beach, because the steep beach will make the wave lose a lot of energy, because its deep
16: True or false, you are safe as the tsunami wave is passing back out?
FALSE!
17: How did the quake affect the earth’s day?
The quake made the earth's day shorter and made the earth wobble in it's orbit, particularly made the earths day shorter by 3 millions of a second.
18: What area of the United States is at risk for the same type of earthquake?
Hawaii is at risk for the same type of earthquake.
19: What are the four causes of a tsunami?
How many people on Earth are at risk of a tsunami?
Volcanos, earthquakes, meteors, or landslides
the majority of us humans live on the coast line meaning, we have a few tens of millions of us at risk.
20: What is happening in the Cascadia Subduction Zone? What could happen?
It is a zone similar to the Sumatrian zone which has plates that could snap like the ones there.
21: What is being done to help prepare for future tsunamis?
Buoys are being added everywhere, even in the indian ocean, and our warning systems are becoming a little better and accurate.
22: How many more buoys did the United States add to the Pacific Warning system?
What else is part of the Tsunami warning system?
39 buoys have been added to the pacific warning system
Also, they have new seismic sensors for detecting possible quakes that give birth to new tsunamis.