I use to live 20 miles from the volcano park.  I too have had the lava 
at my feet but with a relaxed ranger!  It was very slow flowing.

I used to monitor the daily acrobatics of the volcanoes with my 4.5 Hz 
geophone.  I assume Tony is still in nearby Kona.

Cheers

Ian

Gary Lindgren wrote:
> Hi Jon,
> I want to get a good clean display and will need another 12 hours and then
> I'll put the cover back on. With you interest in volcanoes, have you ever
> been to Hawaii and up to Volcanoes National Park and watched the eruptions.
> They also have a nice earthquake research station there too. The lava is
> usually flowing. A few years ago I was at the area with lava flowing and was
> there before sunrise and before the ranger was there and was able to see
> lava flow at my feet, really. It was all very safe.
> Gary
>
>
>   
>
> -----Original Message-----
> From: psn-l-request@.............. [mailto:psn-l-request@............... On
> Behalf Of Jón Frímann
> Sent: Tuesday, February 23, 2010 7:26 AM
> To: psn-l@..............
> Subject: RE: No intrest in earthquakes ?
>
> Hi Gary,
>
> Did you get the resaults from it that you did want ?
>
> Regards,
> Jón Frímann.
>
> On mán, 2010-02-22 at 18:06 -0800, Gary Lindgren wrote:
>   
>> Jon,
>> Yes I'm testing the seismometer without the case, it is now exposed to the
>> open air and any changes in the atmospheric pressure, I thought it would
>> calm down by now. I wanted plots with and without the pressure case.
>> Gary
>>
>>
>>
>>
>> -----Original Message-----
>> From: psn-l-request@.............. [mailto:psn-l-request@...............
>>     
> On
>   
>> Behalf Of Jón Frímann
>> Sent: Monday, February 22, 2010 5:40 PM
>> To: psn-l@..............
>> Subject: RE: No intrest in earthquakes ?
>>
>> Hi Gary,
>>
>> Are you testing your seismometer for something special ? I do see the
>> response on your plot. It is as one would expect from a sensivite
>> instrument like the one you have.
>>
>> At ~482km distance from a volcano you won't record any of the harmonic
>> tremors the volcano can make. But you might see earthquakes from the
>> volcano if it makes a Mb5.0 happen.
>>
>> Regards,
>> Jón Frímann.
>>
>> On mán, 2010-02-22 at 17:31 -0800, Gary Lindgren wrote:
>>     
>>> Jon,
>>> The nearest volcano is probably 300 miles away. The case is excellent. A
>>>       
>> few
>>     
>>> minutes ago I remove the cover in order to record the response without
>>>       
> the
>   
>>> cover and open to the atmosphere. It's going to take awhile for the unit
>>>       
>> to
>>     
>>> calm down.
>>> Gary
>>>
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: psn-l-request@.............. [mailto:psn-l-request@...............
>>>       
>> On
>>     
>>> Behalf Of Jón Frímann
>>> Sent: Monday, February 22, 2010 4:57 PM
>>> To: psn-l@..............
>>> Subject: RE: No intrest in earthquakes ?
>>>
>>> Hi Gary,
>>>
>>> Thanks for the link. This is quite intresting. Are you near any volcano
>>> in CA, USA ?
>>>
>>> You must record some local earthquake near you. How is your sensor
>>> working out in those cases ?
>>>
>>> Regards,
>>> Jón Frímann.
>>>
>>> On mán, 2010-02-22 at 16:06 -0800, Gary Lindgren wrote:
>>>       
>>>> Jon,
>>>> Today I detected the Tonga M6.0 and M5.3 quakes, 77 degrees away. And
>>>>         
>> the
>>     
>>>> Kermandec Islands M5.2, 82 degrees away. I filter Low pass .08Hz and
>>>>         
>> high
>>     
>>>> pass .02Hz.
>>>> With the filters I'm using I'm looking for the long range quakes. The
>>>> seismometer has a flat response from 100 seconds to 20Hz. See
>>>> http://www.blue-eagle-technologies.com/seismo1.html The data is
>>>>         
> updated
>   
>>>> every 10 minutes. 
>>>> Gary
>>>>
>>>>
>>>>  
>>>>
>>>> -----Original Message-----
>>>> From: psn-l-request@..............
>>>>         
> [mailto:psn-l-request@...............
>   
>>> On
>>>       
>>>> Behalf Of Jón Frímann
>>>> Sent: Monday, February 22, 2010 3:43 PM
>>>> To: psn-l@..............
>>>> Subject: RE: No intrest in earthquakes ?
>>>>
>>>> Hi Gary,
>>>>
>>>> Isn't the FBV seismometer a low frequency seismometer. I am sure that
>>>>         
> is
>   
>>>> why you are detecting earthquakes from the South Pacific. What is the
>>>> absolute minimal size that you can detect ? With my 4.5Hz seismometer
>>>>         
> I
>   
>>>> can go down to ML0.01 when weather is good.
>>>>
>>>> Here is how a volcano tremor looks like on my system. This is filtered
>>>> at 2Hz.
>>>>
>>>>
>>>>         
> http://seismicnet.com/cgi-dos/makegif.exe?/quakes/1002/100220.180800.hkbz.ps
>   
>>>> n
>>>>
>>>>         
> http://seismicnet.com/cgi-dos/makegif.exe?/quakes/1002/100220.180800.hkbn.ps
>   
>>>> n
>>>>
>>>>         
> http://seismicnet.com/cgi-dos/makegif.exe?/quakes/1002/100220.180800.hkbe.ps
>   
>>>> n
>>>>
>>>> The movement was most at E-W sensor. But I guess that is the direction
>>>> the magma was pushing when this earthquake did happen.
>>>>
>>>> Regards,
>>>> Jón Frímann.
>>>>
>>>> On mán, 2010-02-22 at 15:19 -0800, Gary Lindgren wrote:
>>>>         
>>>>> Jon,
>>>>> I'm sorry we don't have enough discussions on earthquakes. I'll
>>>>>           
> start
>   
>>>> here.
>>>>         
>>>>> I have a FBV seismometer built along the design of Dave Nelson and
>>>>>           
>> Brett
>>     
>>>>> Nordgren. It is extremely sensitive. I live in California and notice
>>>>>           
>>> that
>>>       
>>>>> most of the earthquakes I see are in the South Pacific. Is this the
>>>>>           
>> hot
>>     
>>>> area
>>>>         
>>>>> around the world or am I seeing them because I have the open ocean
>>>>>           
>> from
>>     
>>> my
>>>       
>>>>> location.
>>>>> Gary
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> -----Original Message-----
>>>>> From: psn-l-request@..............
>>>>>           
>> [mailto:psn-l-request@...............
>>     
>>>> On
>>>>         
>>>>> Behalf Of Jón Frímann
>>>>> Sent: Monday, February 22, 2010 2:40 PM
>>>>> To: PSN-Postlist
>>>>> Subject: No intrest in earthquakes ?
>>>>>
>>>>> Hi all,
>>>>>
>>>>> I often see here technical discussion about seismometers and
>>>>>           
> geophones
>   
>>>>> here. But what I don't see are disscusions about earthquakes, and
>>>>>           
> even
>   
>>>>> volcanoes. 
>>>>>
>>>>> Can someone explain to me why that is. I am recording earthquakes
>>>>> because I have intrest in them.
>>>>>
>>>>> Regards, 
>>>>>           
>>>> __________________________________________________________
>>>>
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>>>>
>>>>
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>>>>         
>>> __________________________________________________________
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