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Originally posted by kro32
Why would you want us to post facts as you know we already have and you just stated you won't believe them anyways?
Everytime this comes up some of us totally disprove it then you make yet another post saying you don't care how many references or how much data we give you, your not gonna believe it then at the end of your post you ask us to do it anyways.
Originally posted by minettejo
Sorry to sound stupid, but can you tell me what the different colours mean. There is no legend and I don't know what the difference is between red, yellow and orange.
thanks
Originally posted by Mapkar
reply to post by jude11
It looks like the size of the circles may be misleading. I think they're looking a little large, especially when compared to the typically seen squares of the USGS. Unless you see the heliograph or seismogram, or feel the actual earthquake, it's hard to really say they're getting stronger. I think they could be, but at the same time I'd have to examine the evidence and/or be there to know for sure.
On a side note, I got to experience a small 2.3 last week. They're not really common here and it only lasted about a second, but it was quite exciting.
Originally posted by Chadwickus
Well here's the frequency of earthquakes within a 1000km (1600m) radius of central Californaia with a minimum of magnitude of 2.0.
2000: 62
2001: 79
2002: 52
2003: 59
2004: 71
2005: 71
2006: 81
2007: 95
2008: 68
2009: 43
2010: 37
2011: 17
Rough estimate for the rest of 2011 - 34 (doubled the above figure)
Average of frequency between 2000 and 2011= 65
These figures don't seem to suggest an increase...
Links don't seem to be working for me today.
edit on 3/7/11 by Chadwickus because: (no reason given)
15.Each year the southern California area has about 10,000 earthquakes. Most of them are so small that they are not felt. Only several hundred are greater than magnitude 3.0, and only about 15-20 are greater than magnitude 4.0. If there is a large earthquake, however, the aftershock sequence will produce many more earthquakes of all magnitudes for many months.
Originally posted by Chadwickus
reply to post by jude11
Well it's a radius of only 1000km.
Perhaps it's not a large enough area.
Originally posted by Chadwickus
reply to post by jude11
Well it's a radius of only 1000km.
Perhaps it's not a large enough area.