“The September 30, 2012 M 7.3 earthquake west of Isnos, Colombia, occurred as a result of normal faulting deep within the subducting Nazca slab. The earthquake ruptured a fault in the interior of the inclined subduction zone that dips to the east-northeast beneath South America, having begun its decent into the mantle at the South America trench offshore of Colombia and Ecuador. Continue reading
Magnitude 6.4 ( updated ) Earthquake – VANCOUVER ISLAND,
CANADA Continue reading
My first thought upon hearing the news of the rare 5.9 magnitude earthquake in Virginia this week was that it was not a natural occurrence. After all, no one has ever felt or even heard of such a powerful temblor happening in this area in a lifetime. As is usual for my cynical instincts, I hoped that I was wrong. However, several anomalies indicate that something is not normal with the Virginia quake.
|USGS Shakemap Image|