PSN-L Email List Message

Subject: Re: Fast Moment Ternsor List???
From: Dave Nelson davenn@...............
Date: Tue, 02 Oct 2007 07:53:09 +1000

Thanks John
                    nice to have an official explanation,  hopefully we 
will see the
"beachball maps again one day soon.    Yes I have been logged onto the ENS
for some years  and it is a good fast notification of new events.


At 02:29 PM 10/1/2007 -0700, you wrote:
>Here's the word from the USGS.  Cheers, John
>   Because of Department of Interior security requirements, we had to
>    install a number of new routers in our internal network. At that point
>    some of our processes that depended on communication between different
>    subnets stopped working. In other words, some of our programs broke.
>    Most of the problems were fixed on the first day, but we are still
>    unable to compute the moment tensors.
>   We have been working on a new, faster experimental system, with an
>    improved user interface, for generating the moment tensors. Since this
>    is the direction we were already committed to, we have decided to
>    accelerate implementation of the new system. In the near future we hope
>    to be computing moment tensors again, using the new system.
>   You may want to take a look at the USGS Earthquake Notification Service
>    (ENS) at These notifications,
>    at this time, will not include the "beachball", but will be A LOT
>    faster. They are also very easy to customize in terms of geographic
>    region(s) of interest and magnitude threshold. You may end up preferring
>    these to the moment tensor solutions.

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