plate tectonics

At times I am in doubt that the Earth will last until the Sun slowly kills it, millions of years from now. Fault lines acts like hairline fractures on the earths crust which grow larger and larger in time and connect with other hairline fractures becoming one large fracture. Fractures can...

In a very interesting article from today the New York Times discusses the effect of continuing aftershocks on the Japaneese populaiton after the March 11 earthquake and the threat for another big earthquake in Tokyo area. According to the same article data from Japan Coast Guard monitoring...