For educators, college/university faculty and professionals interested in the instruction of seismological concepts in primary and secondary classrooms.
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Active Message Threads for January 2008
Katie Stofer
From the Maryland Science Center ...
I have a more general question about quakes that I hope one of the
experts can help me with. We have been using a machine to simulate
earthquakes that ostensibly varies magnitude - Pitsco's Epicenter
Earthquake Simulator. They no longer make this and now sell instead the
EQ Tremor Table
<http://catalog.pitsco.com/store/detail.aspx?KeyWords=engineering&by=20&ID=4229&c=0&t=0&l=0>,
which, instead of magnitude, varies cycles per second (frequency), from …
[more]
Replies
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Re: Frequency vs. Magnitude - Michael Hubenthal - 2008-01-28 22:59:58
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Annoying Spikes - Jerry R. Cook - 2008-01-28 21:47:23
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Re: Annoying Spikes - Alan Jones - 2008-01-29 00:57:35
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RE: Annoying Spikes - Jerry Cook - 2008-01-29 03:52:22
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Re: Frequency vs. Magnitude - John Taber - 2008-01-29 23:46:27
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Re: Frequency vs. Magnitude - Katie Stofer - 2008-01-30 00:56:33
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Re: Frequency vs. Magnitude - John Taber - 2008-01-31 17:44:00
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John Lahr
IRIS is now accepting applications for the Seismographs in Schools
Program for 2008. For details, see:
http://www.iris.edu/edu/as1/apply/
Cheers,
John
No replies
Paul Denton of the British Geological Survey has compiled a good
review of school seismology and posted it
here: http://www.bgs.ac.uk/scripts/downloads/start.cfm?id=667
I highly recommend taking a look at his report, titled "School
Seismology Support Documents."
Cheers,
John
No replies
Margaret E. Doerr
Hello, Lindsay,
I used to be the person responsible for the AS-1 Seismograph at Montgomery
High School. However, I have left the school, and now Tim Murphy, the
Science Dept. Chairman, will be taking over responsibility.
I would like to unsubscribe from the IRISEd mailing list. I would
appreciate it if you would add Mr. Murphy to the list in my place. His
email address is
[ fcp://@mail.suhsd.k12.ca.us,%238850456/Mailbox/Timothy G. Murphy
]timothy.murphy@suhsd.k12.ca.us
Thank you,
Ma…
[more]
Replies
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Change - Dwyer, Valesca - 2008-01-14 22:42:37
Hello, Lindsay,
I used to be the person responsible for the AS-1 Seismograph at Montgomery
High School. However, I have left the school, and now Tim Murphy, the
Science Dept. Chairman, will be taking over responsibility.
I would like to unsubscribe from the IRISEd mailing list. I would
appreciate it if you would add Mr. Murphy to the list in my place. His
email address is
[ fcp://@mail.suhsd.k12.ca.us,%238850456/Mailbox/Timothy G. Murphy
]timothy.murphy@suhsd.k12.ca.us
Thank you,
Ma…
[more]
No replies
Educators,
The west coast of North America has been active lately. There was
another event on the Queen Charlotte Islands fault on January 9th and
a magnitude 6.4 event on the Blanco Fracture Zone on the 10th.
Professor Robert Butler generated this writeup, to which I added my
CHOR record:
http://jclahr.com/science/psn/as1/blanco08/index.html
Cheers,
John
No replies
The two M6.5 earthquakes of 1/5/2008 on the Queen Charlotte Islands
Fault were well recorded by AS-1 stations all across the US. I've
posted some information from Robert Butler, along with two seismograms.
http://jclahr.com/science/psn/as1/queen08/index.html
Cheers,
John
No replies
Larry Braile
Just after the November 14, 2007 M7.7 N. Chile Earthquake I noticed an
unusual high-frequency arrival overlapping the long period surface waves
on the seismogram for this event that was recorded on the WLIN AS-1
station. I high-pass filtered the seismogram and assumed that the
resulting arrival was from an aftershock about 29 minutes after the main
shock. I checked with the USGS earthquake list for the next few days
and didn't find an aftershock at the appropriate time so I looked for
…
[more]
