Here's What Caused the Chile Megaquake and Tsunami
The news networks are covering what happened in terms of deaths ... where the Nazca Plate descending under the South American plate. The Nazca Plate is young, freshly-formed by the divergent zone to the east, and still (geologically) hot and buoyant ...
For GM food and vaccinations, the panic virus is a deadly disease
Most readers are aware of the benefits of using vaccines to boost the immune system and prevent infectious disease. Many readers will not be aware of a very different disease prevention tool: supplementing… David Tribe participates in agricultural ...
Week 2: Introduction to Plate Tectonics
What are the three type of plate boundaries? Here is a link to a page that has a great explanation of density, buoyancy, isostasy, and the structure of the Earth's interior from the University of Michigan. Scroll down and try out the density/buoyancy demo.
Why Aren't We Afraid of a Tsunami Hitting San Francisco?
There are a few kinds of earthquakes, and the differences between ... the same kind of plate boundaries. Remember those three types, convergent, divergent, and transform? Japan's dealing with a single convergent boundary, but San Francisco is staring ...
Tectonic Processes Cause Iceland’s Volcanism
There are three main types of plate boundary: Convergent boundaries ... divergent plate volcanism occurs on land. As the two plates move apart, the eastern and western halves of Iceland move apart, and volcanism takes place in the narrow zone between ...