Earth Questions


QWhy is there an increase in large earthquakes?

and I realized , with that big earthquake in China last year , then this in Haiti ... and on the coast there was a calf. about 2 weeks before Haiti beaten . There have been two smaller reciently Georgia ... Is this all related climate change or any change in the land ?
Please no religious explanations ... even if there is one ... I'm looking for purely scientific reasons .

thanx

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#1TaymorAnswered at 2013-03-12 20:31:31
Although it may seem that we are having more earthquakes , earthquakes of magnitude 7.0 or greater have remained fairly constant . Another reason not * think * that more seismic activity is that today there are more reports of earthquakes stations in the world than ever before.
#2ozzyAnswered at 2013-10-04 01:59:51
Actually, climate does not play that much of a role in earthquakes. Climate is generally above the surface (and in the water) while earthquakes mostly have to do with plate tectonics and rupture at fault lines.

Current theory is that the amount of earthquakes hasn't grown that much. It's that the detection and recording of them has. (Think of the drop in crime rates, but the growth of news coverage of them, leading to the appearance of more crime.)

There is no clear-cut answer to your question, and many theories abound. Your best bet is to learn as much as you can about plate tectonics and what actually causes earthquakes before deciding whether or not you believe certain information, including what I have answered.
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