PSN-L Email List Message

Subject: Re: What are the implications of a M2.8 quake near the San
From: George Bush ke6pxp@.......
Date: Mon, 19 Jul 2010 08:25:29 -0700


Thanks Geoff-

I only worry because it is so close to the 'locked' San Andreas fault 
that is about due to go again (over 100 years since the 06 quake that 
displaced the fault up where I live by almost 20').

At 04:30 PM 7/18/2010, you wrote:
>Hello Mr. Bush;
>
>I live 400 miles away to the EAST of LA and the quake
>in 1994 rattled things all around here.
>
>Small quakes below like 5.0 are very common.
>
>I would not worry about one small quake.
>
>But you can be sure, CA will one day have a big one.
>
>They have charts (USGS) at places on the internet
>which show research into high stress areas and
>places like San Bernardino area is under great stress
>now or so they believe. Washington State, Nevada,
>They find high stresses where faults have not moved
>in a long time.
>
>I suggest you research stress/strain as it relates to causing quakes.
>
>Or so I understand.
>
>Regards,
>geoff
>
>----- Original Message ----- From: "George Bush" 
>To: 
>Sent: Sunday, July 18, 2010 2:32 PM
>Subject: What are the implications of a M2.8 quake near the San Andreas fault?
>
>
>>Hello-
>>This morning we had a M2.8 quake about 4 miles west of us out in 
>>the ocean and about 5 miles from the San Andreas fault that runs to 
>>the East of us. It was on a minor fault that runs parallel to the 
>>San Andreas. The shock knocked my data acquisition computer 
>>off-line, but was strong enough to jiggle the pen on my drum 
>>recorder that also was off line!
>>I am wondering if the movement of the minor fault will add strain 
>>or relieve strain on the San Andreas fault (add or decrease the 
>>chances of the San Andreas fault letting-go).
>>I would appreciate any thoughts or opinions on this from you PSN folks.
>>
>>George Bush
>>Sea Ranch, CA, USA
>>38.73775N, 123.48882W
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>__________________________________________________________
>
>Public Seismic Network Mailing List (PSN-L)
>
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George 

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