[Realtime-feed-users] Modified Mercalli Intensity (MMI) values in earthquake feed data

[Fee, Jeremy]

Hello,

That's correct.  The MMI scale extends to MMI XII so for mmi >= 9.5 it
would be more accurate to say "X+"; similar to the scales described on this
page:

http://usgs.github.io/shakemap/tg_intensity.html



Thanks,

Jeremy


On Thu, Jun 2, 2016 at 10:51 AM, Rogers, Wesley A <
wesley.a.rogers at boeing.com> wrote:

> Just to verify, we should map the values as shown below?
>
>
>
> mmi null = not available
>
> mmi 1.5 or less = I
>
> mmi 2.5 or less = II
>
> mmi 3.5 or less = III
>
> mmi 4.5 or less = IV
>
> mmi 5.5 or less = V
>
> mmi 6.5 or less = VI
>
> mmi 7.5 or less = VII
>
> mmi 8.5 or less = VIII
>
> mmi 9.5 or less = IX
>
> mmi more than 9.5 = X
>
>
>
> Yours,
> Wesley A Rogers
> SSG Security & Fire Protection
> The Boeing Company
>
> =====-----=====-----=====
> Notice: The information contained in this e-mail
> message and/or attachments to it may contain
> confidential or privileged information. If you are
> not the intended recipient, any dissemination, use,
> review, distribution, printing or copying of the
> information contained in this e-mail message
> and/or attachments to it are strictly prohibited. If
> you have received this communication in error,
> please notify us by reply e-mail or telephone and
> immediately and permanently delete the message
> and any attachments.
>
>
>
> *From:* Fee, Jeremy [mailto:jmfee at usgs.gov]
> *Sent:* Thursday, June 02, 2016 9:39 AM
> *To:* Rogers, Wesley A <wesley.a.rogers at boeing.com>
> *Cc:* <realtime-feed-users at geohazards.usgs.gov> <
> realtime-feed-users at geohazards.usgs.gov>
> *Subject:* Re: [Realtime-feed-users] Modified Mercalli Intensity (MMI)
> values in earthquake feed data
>
>
>
> Hello,
>
>
>
> This page describes the geojson summary format:
>
> http://earthquake.usgs.gov/earthquakes/feed/v1.0/geojson.php
>
>
>
> MMI "V" maps to the decimal range [4.5, 5.5)
>
>
>
>
>
> Thanks,
>
>
>
> Jeremy
>
>
>
>
>
> On Thu, Jun 2, 2016 at 10:25 AM, Rogers, Wesley A <
> wesley.a.rogers at boeing.com> wrote:
>
> Group,
>
>
>
> We are seeing Mmi values coming in for earthquakes with values such as
> 6.02, 3.42, etc.
>
>
>
> The MMI USGS page lists Roman numeral values from I-X. How should the feed
> values be interpreted to fit into the Roman numeral scale?
>
>
>
> http://earthquake.usgs.gov/learn/topics/mercalli.php
>
>
>
> For reference, here is the properties class as we mapped it:
>
>
>
>     [Serializable]
>
>     class Properties
>
>     {
>
>             public double? Mag { get; set; }
>
>             public string Place { get; set; }
>
>             public string Time { get; set; }
>
>             public string Updated { get; set; }
>
>             public int? Tz { get; set; }
>
>             public string Url { get; set; }
>
>             public object Felt { get; set; }
>
>             public object Cdi { get; set; }
>
>             public object Mmi { get; set; }
>
>             public object Alert { get; set; }
>
>             public string Status { get; set; }
>
>             public object Tsunami { get; set; }
>
>             public string Sig { get; set; }
>
>             public string Net { get; set; }
>
>             public string Code { get; set; }
>
>             public string Ids { get; set; }
>
>             public string Sources { get; set; }
>
>             public string Types { get; set; }
>
>             public object Nst { get; set; }
>
>             public string Dmin { get; set; }
>
>             public string Rms { get; set; }
>
>             public string Gap { get; set; }
>
>             public string MagnitudeType { get; set; }
>
>     }
>
>
>
>
>
> Thanks very much,
> Wesley A Rogers
> SSG Security & Fire Protection
> The Boeing Company
>
> =====-----=====-----=====
>
>
>
>
> _______________________________________________
> Realtime-feed-users mailing list
> Realtime-feed-users at geohazards.usgs.gov
> https://geohazards.usgs.gov/mailman/listinfo/realtime-feed-users
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://geohazards.usgs.gov/pipermail/realtime-feed-users/attachments/20160603/f7648116/attachment-0001.html>