30.09.2012 –
A massive subduction earthquake occurred below the Colombian Andes at
11:31 local time. Due to the very deep hypocenter, this earthquake will
probably not lead to damage or injuries
New York Daily News
Maine earthquake rattles New England
Knoe.com - 1 hour ago
An earthquake that hit southern Maine has rattled nearby New England ... It was raining, but that didn't scare tourists on Mexico's southern Baja ...
www.cnn.com/2012/09/25/world/.../mexico-earthquake/index.html
Sep 25, 2012 – A powerful 6.2-magnitude earthquake struck near Mexico's Baja Peninsula Tuesday, the U.S. Geological Survey said.
end quote from Google.
When there is a large quake in the western hemisphere like the 7.1 in Colombia many of the plates in north and south america have to make adjustments like the quakes in Mexico and even Maine as well as minor quakes in California and other places. So, for several months or even years plates all over have to adjust to different large moves on connected tectonic plates.
In March 2011 the large quake in Japan also affected tectonic plates here in the western U.S. for example and adjustments have had to continue to occur over the past couple of years in plates connected to the Fukushima area of Japan. This likely is true of plates into Southeast Asia and China as well as aftershocks from that quake continue to occur even today in Japan.
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