Do earthquakes change our weather?

Many people are talking about the very mild weather and whether it is caused by seismic events. Sunday we hit 11 degrees, a full 10 degrees above normal.

People are pointing to Japan’s earthquake and saying it affected weather patterns.

Not so, says a historical climatologist.

“Scientists have studied the aftermaths of recent giant earthquakes in Indonesia (2004), Chile (2010), Haiti (2010) and New Zealand (2011). So far the only weather results that they have noted is slight local cooling when urban centers generate less warming energy due to the general devastation,” writes Evelyn Browning Garriss of The Old Farmer’s Almanac.

Scientists are looking at the link between giant earthquakes and volcano eruptions. It is possible a volcano’s ashes can enter the stratosphere and block sunlight, cooling the climate for a few years? We’ll have to wait a bit longer to find out the results. But that would have a cooling effect not a warming effect.

But, Browning Garriss, said this was not the case in Japan as a couple of eruptions that are possibly linked to the quake were too small to change the weather in any way.

So for those who are telling you the quake in 2011 has made this fall so mild, well, it’s not true.

We’ll have to look for another reason for this mild spell.

Global warming is a good bet.


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