PSN-L Email List Message
Subject: Re: Earthquake in the UK (England)
From: ian ian@...........
Date: Wed, 27 Feb 2008 09:33:39 +0000
Hi,
yes, I wouldn't expect my Lehman sensor to pick this up, working in
"Lehman" mode but one might expect a signal to be generated by it
vibrating in the vertical, just like my geophone. No doubt it did but
the signal didn't rise up out of the noise. I suppose I should be
pleased, otherwise there might be something wrong with its construction
or adjustments.
The quake is now listed as 5.2, btw and a teleseismic has just rolled
past, apparently from Greece - busy day...
Cheers
Ian
http://www.iasmith.com/
jonfr@......... wrote:
> Hi
>
> You got a signal that is common for mb4,9 earthquake. I am not surpriced
> about the lehman, as the event is high frequancy mostly given your
> distance.
>
> Regards.
> Jón Frímann.
>
>
>> Hi,
>>
>> I've got a huge signal on my geophone. I'm about 300 miles north of the
>> quake. The background noise on the trace is the high winds which are
>> now dying down. See the bottom graph on http://www.iasmith.com . My
>> Lehman (top graph) slept through the event!
>>
>> Cheers
>>
>> Ian
>>
>>
>> jonfr@......... wrote:
>>
>>> Hi all
>>>
>>> According to EMSC there was an mb4.7 earthquake (early size est) in
>>> England at 00:56. So far no details on the earthquake on BBC News
>>> webpage.
>>> But EMSC has info here,
>>> http://www.emsc-csem.org/index.php?page=current&sub=list
>>>
>>> The depth is in early estimates around 96 km. But as this are early
>>> figures, they can change as more data comes in and they are reviewed.
>>>
>>> Regards.
>>> Jón Frímann.
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>
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