IRIS EPO

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 September 2007

John Lahr
Sept. 29, 2007, 11:35 p.m.
Here's a question that comes up from time to time: "I've started running AmaSeis on a different computer but do not want to loose the data that was recorded in the past. What can be done?" The AmaSeis data are stored in files that are each one hour long, with names like 00.Z, 01.Z, 02.Z, ...... 23.Z Each set of 24 files resides in a folder named for the date, so the events in a folder named 29 would be for the 29th of the month. Day folder names are 01, 02, 03, ... 30 (or 29 or 31). Each... [more]
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John Lahr
Sept. 25, 2007, 5:04 p.m.
Hi Bob, Nice recording! Thanks for sending your SAC file. I've posted a location based on the S-P times at our two stations. See: http://jclahr.com/science/psn/as1/salem07/ Cheers, John #################################/ John C. Lahr ################################/ Emeritus Seismologist ###############################/ U.S. Geological Survey ==========================/ Central Region Geologic Hazards Team #############################//################################# #########... [more]
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John Lahr
Sept. 12, 2007, 10:19 a.m.
Dear Educators, Here's a link to short note on today's M8.2 Sumatra. Hope everyone obtained a good recording. http://jclahr.com/science/psn/as1/sumatra07/ Cheers, John Lahr and Robert Butler #################################/ John C. Lahr ################################/ Emeritus Seismologist ###############################/ U.S. Geological Survey ==========================/ Central Region Geologic Hazards Team #############################//################################# #########... [more]
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John Lahr
Sept. 10, 2007, 1 p.m.
I'm resending the following paragraphs from the previous message because the links were not clickable for all browsers. If all else fails, use copy and paste to reach http://store.usgs.gov John Want to hear about our latest products? USGS sends out e-mail notifications when we add new items to our on-line catalog at http://store.usgs.gov This service makes it easy to stay up to date with our newest products. To subscribe for this service, please send your blank email to mailto:productn... [more]
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John Lahr
Sept. 10, 2007, 10:31 a.m.
Hi Craig, In the AmaSeis directory there should be some files with names ending in .JB. For example, P.JB, S.JB, etc. These files contain the corresponding travel time information that AmaSeis plots out. If these files are missing, I would recommend reinstalling AmaSeis to the directory where it's currently located. Download and run: <http://www.geol.binghamton.edu/faculty/jones/AmaSeisSetup.exe>AmaSeisSetup.exe Then you will be certain to have all of the necessary files. Cheers, J... [more]
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Craig Messerman
Sept. 10, 2007, 9:37 a.m.
Hi All, We got a great record of the 6.8 off Columbia today here in Montana. I can't get the travel-time curves for P and S to display on that screen, only surface wave curves. I've changed depth and selection with no luck. I haven't used this version of Amaseis much, so I must be missing something. Thanks in advance. Craig Messerman Sentinel High School, Missoula, Montana Notice: This e-mail may contain confidential information belonging to the sender which is privileged. The information... [more]
Replies
John Lahr
Sept. 10, 2007, 8:19 a.m.
Educators, A friend at the USGS let me know about an E-mail notification list that may be of interest. The USGS sends a notice whenever a new product that would be of interest to a wide general audience, including teachers, is available from the Central Publications Group in Denver. This only consists of one notice a month or every other month -- they will not to send a flood of E-mail. Subscription information is included below, along with a message about a USGS Earth Science W... [more]
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