PSN-L Email List Message
Subject: Re: Earthquake Lists
From: Dave Nelson dave.nelson@...............
Date: Sun, 25 Oct 2009 13:49:41 +1100
Do you realise we already have a common PSN quake list ??
Larry Cochrane has been running one since the early days and
already has many
1000's of events listed recent and in archives from the PSN
people are able to download a gif image of some ones event for a quick
look or download the data to load into their winquake to do their own
filtering etc in that event file.
At 04:17 PM 10/24/2009 -0700, you wrote:
To my earthquake
I wonder if anybody is interested in creating a common
PSN earthquake list. There is a wonderful tool offered by Google
that could be used called "Google Docs". It allows a
group of people access to documents of common interest.
I've set up an example account which you can take a
peek at if you want.
Note that only one person can enter this account at a
time so be patient.
Now, there is not much value to a group document that
only one person can access at a time. HOWEVER, if anybody has a
google account, the document can be SHARED with that
What is most amazing is that you can have any number
of people editing the document at the same time, AND, you can actually
see others adding information in real time by watching their
keystrokes. I'm not sure who designed this product but it is quite
So, we could have a master earthquake list under a PSN
account. Then the PSN master can "invite" anybody on the
PSN network to share the list. That person, then, would set up
their own Google account and the spreadsheet would show up in their
Google docs list.
In this way, we can share valuable information
The example spreadsheet that I loaded into Google Docs
is not set in stone. It is just an example of what might be.
The entries in the spreadsheet are:
The last five entries are specific to your
station only. The rest are specific to the earthquake and common to
- DATE YY/MM/DD
- LAT (deg)
- LON (deg)
- DEPTH (km)
- USGS Magnitude (Mw)
- Earthquake Location
- My Station Name
- P-WAVE ARRIVAL TIME(GMT) HR:MN:SS
- S-WAVE ARRIVAL TIME(GMT) HR:MN:SS
- Distance to earthquake (deg)
You can do all the usually spreadsheet things like
sort, etc. You can also export the data into an Excel spreadsheet
local to your computer for graphing, etc.
You can sign up for a Google account at
It would be nice to set up a dialog to see how many
folks might be interested.
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