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Tom Kerr
Posted: Mon May 14, 2007 2:45 am
Guest
All,

The mag 6.7 EQ just off the Big Island of Hawaii on Oct 15 2006 was the
subject of one or two threads here and the effect on the observatories on
Mauna Kea was also brought up. I'm too lazy to find the original threads
right now...

There was a workshop on the Big Island in March this year about the
impact on the observatories and some of the presentations are available
here:

http://www.gemini.edu/index.php?option=content&task=view&id=227

If that doesn't work, just go to www.gemini.edu and look under the general
announcements section, about halfway down the page.

I don't know if there's useful information there for anyone but it does
show the impact of the EQ on the sites (unfortunately I wasn't an
attendee as I was away at the time, but was involved in the recovery of
one of the telescopes after the event).

What's become clear over time is that in general, the larger the
telescope, the larger the problems. The smaller telescopes were pretty
much back in action in days.

There has been or is currently site testing for a 30-metre class telescope
on Mauna Kea -- it'll be interesting to see if this event has any
influence on the final decision.
Skywise
Posted: Mon May 14, 2007 4:55 pm
Guest
thk_797@yahoo.com (Tom Kerr) wrote in news:46481340$0$8433$ed962e05
@news.felx.com:

Quote:
All,

The mag 6.7 EQ just off the Big Island of Hawaii on Oct 15 2006 was the
subject of one or two threads here and the effect on the observatories on
Mauna Kea was also brought up. I'm too lazy to find the original threads
right now...

<Snipola>

Searching for posts by me would be useful as I know I had brought
it up regarding the twin Kecks. I had emailed their staff the
next day.

Thanks for the info. I'll share it in the astro groups if it
hasn't already been posted.

Two of my biggest interests collided that day - astronomy &
seismology.

Brian
--
http://www.skywise711.com - Lasers, Seismology, Astronomy, Skepticism
Seismic FAQ: http://www.skywise711.com/SeismicFAQ/SeismicFAQ.html
Quake "predictions": http://www.skywise711.com/quakes/EQDB/index.html
Sed quis custodiet ipsos Custodes?
Bob Officer
Posted: Sat May 19, 2007 3:35 am
Guest
On Mon, 14 May 2007 07:45:51 GMT, in sci.geo.earthquakes,
thk_797@yahoo.com (Tom Kerr) wrote:

Quote:
All,

Hello Tom..
..
Quote:

The mag 6.7 EQ just off the Big Island of Hawaii on Oct 15 2006 was the
subject of one or two threads here and the effect on the observatories on
Mauna Kea was also brought up. I'm too lazy to find the original threads
right now...

I recall 'em.

Quote:
There was a workshop on the Big Island in March this year about the
impact on the observatories and some of the presentations are available
here:

http://www.gemini.edu/index.php?option=content&task=view&id=227

If that doesn't work, just go to www.gemini.edu and look under the general
announcements section, about halfway down the page.

I don't know if there's useful information there for anyone but it does
show the impact of the EQ on the sites (unfortunately I wasn't an
attendee as I was away at the time, but was involved in the recovery of
one of the telescopes after the event).

Michelle? or some other scope?

Quote:
What's become clear over time is that in general, the larger the
telescope, the larger the problems. The smaller telescopes were pretty
much back in action in days.

the effort to align my 13 inch after moving it is lots easier than
the 27 inch. the 27 inch will get a new home soon. Dark skies in the
Nevada desert at 6,000 ft. I can guess the problems go up as the size
of the optic increases.

Quote:
There has been or is currently site testing for a 30-metre class telescope
on Mauna Kea -- it'll be interesting to see if this event has any
influence on the final decision.

But wouldn't the need to adjust the scope be just about important no
matter where it is located. Isn't the Azores Islands Or Chile's prime
locations just as seismic as Hawaii Islands?

And Tom who is ahead on the bet, you or wally?


--
Ak'toh'di
 
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