Earthquakes and Tsunamis
Anonymous: This week I have been getting quite a few questions about the earthquake that causes the devastation, so I thought we would experiment a bit to help you understand more about them. You will...
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Faults
Number: 0155 Anonymous: What is a fault? How do they form? What can they tell us about the Earth?Sorry, but this content is reserved for subscribers only.The $20/year subscription helps cover the...
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Fault Blocks
Anonymous: I selected this week's experiment as a hands-on activity to compliment the new Faultsvideo. It is an easy way to explore how faults work, and what causes the different kinds of faults. To...
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Law of Crosscutting
Number: 0196 Anonymous: The second rule we will use in reading the rocks is the Law of Crosscutting. This one is so simple that you may think it is silly to even mention it. As we go along, we will...
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Science Photo of the Day #409
Our new friends Paula and Eldon Swapp took us to see these incredible structures in the desert east of Kanab, Utah. What are they, and how did they form?thumb: read more
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Science Photo of the Day #421
Kingman, Arizona has many faults, and this is one of them. Faults are places where pressure has caused the rocks to break and move. The way the rocks break can tell us about that pressure. Was this...
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Science Photo of the Day #488
Why has this place been in the news recently?thumb: read more
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Science Photo of the Day #522
There are thousands of undersea earthquakes every year, some of them quite powerful. Why do they so rarely cause tsunamis?thumb: read more
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Science Photo of the Day #978
Several earthquakes have been in the news recently. One in Los Angeles was a 5.1 on the Richter Scale, while one in Yellowstone was a 4.8. How much difference is there between a 4.8 and a 5.1?thumb:...
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Law of Crosscutting
Anonymous: The second rule we will use in reading the rocks is the Law of Crosscutting. This one is so simple that you may think it is silly to even mention it. As we go along, we will see that it is...
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