Understanding the massive March 20 Mexico earthquake

Earthquake overview : On 3/20/2012  at about 11:30h local time, a massive earthquake of magnitude 7.4 (Mexican sources are reporting a M 7.8 strength) occurred in the highly populated region of Oaxaca / Guerrero in Mexico. The earthquake's epicenter was located at  162 km from Oaxaca and 322 km from … [Read more...]