[IGSMAIL-8166] Re: [EXTERNAL] Urgent Request for Data and Information to assist Tonga Eruption and Tsunami

[Viliami Folau]

Dear John/Allison,

Thank you for your email, sorry for the late reply.

Thank you john for raising the issue reagarding any crustal and land
deformation and displacement as a result of the volcanic eruption.

If you were able to co firm this, it would be great.

King regards
Vili

On Wed, Jan 26, 2022, 2:37 AM John Galetzka - NOAA Federal <
john.galetzka at noaa.gov> wrote:

> Dear Viliami,
>
> We are so sorry for the incredible difficulties the citizens of Tonga are
> enduring.  I saw pictures on Twitter yesterday of people carefully sweeping
> a runway by hand!
>
> The closest CORStation we at the US National Geodetic Survey have to Tonga
> is ASPA in Pago Pago, American Samoa, but that station has an old receiver
> which is behaving badly.  Once we get ASPA operating again, I do not expect
> to see any crustal displacement.  I'll ask friends at Jet Propulsion
> Laboratory (cc'd) if they have any SAR interferograms of Tonga which may
> tell you if your islands were deformed.
>
> Just days before the massive explosion, I was coordinating with a surveyor
> who will do work at Midway Island later this year to help get MQSL back
> online and look for a site to install a second CORS for redundancy in the
> event MQSL was damaged by a tsunami or suffered an outage.  The Tonga event
> is a very good lesson for us all to have better and expanded geodetic
> infrastructure throughout the Pacific.
>
> At your service,
>
> John
>
>
>
> On Tue, Jan 25, 2022 at 8:05 AM Viliami Folau <viliami.folau at gmail.com>
> wrote:
>
>> Dear Allison,
>>
>> Thank you for the information and email you emailed last week. THe
>> information was very useful. It was included in our presentation to the
>> National Emergency Management Committee.
>>
>> Kind regards
>>
>> On Tue, Jan 25, 2022 at 2:13 PM Allison Craddock <craddock at igs.org>
>> wrote:
>>
>>> Dear IGS Colleagues,
>>>
>>> Please see the message below from our colleagues at the Tonga Ministry
>>> of Lands and Natural Resources. If you have any information or data that
>>> you can share, please contact Viliami at viliami.folau at gmail.com and
>>> copy me.
>>>
>>> Best regards,
>>> Allison
>>>
>>>
>>> Good afternoon colleagues,
>>>
>>> We are just able to access our emails. Just an update, this is my first
>>> outside communication after 7 days. We are all fine now apart from the
>>> volcanic dust, lack of water., with people stranded in outer islands that
>>> were destroyed.
>>>
>>> I urgently need your assistance in providing any information or data as
>>> our internet connection is still unstable. This information includes but
>>> not limited to the following:
>>>
>>>    - Earthquake and land movement data before, during and post disaster.
>>>    - Sea level data before, during and after the eruption including
>>>    temperature and pressure (FYI we lost our connection to CORS and tide gauge)
>>>    - Any analysis you have on the volcano like satellite images or
>>>    bathymetric data
>>>
>>> I am looking forward to any assistance from you regarding this request.
>>>
>>> Kind regards
>>> --
>>> Viliami Tani Ma'ake* FOLAU*
>>> *Deputy CEO*
>>> *Corporate Services DIVISION*
>>> *Ministry of Lands and Natural Resources*
>>> *Tonga*
>>>
>>> *Office Direct Line: (676) 7401312*
>>> *Office Operator: (676) 23611*
>>> *Mobile: (676) 8429969*
>>>
>>>
>>>
>>> *Allison B. Craddock*
>>>
>>> Director, International GNSS Service Central Bureau
>>> Manager of External Relations, IAG Global Geodetic Observing System
>>>
>>> Systems Engineer
>>> International Coordination and Partnership Office
>>> Space Geodesy Program
>>> NASA Jet Propulsion Laboratory
>>> 4800 Oak Grove Drive
>>> MS 238-600
>>> Pasadena, CA 91109 USA
>>>
>>> Mobile: +1 818 237 0425
>>> craddock at jpl.nasa.gov
>>> craddock at igs.org
>>>
>>
>>
>> --
>> Viliami Tani Ma'ake* FOLAU*
>> *Deputy CEO*
>> *Corporate Services DIVISION*
>> *Ministry of Lands and Natural Resources*
>> *Tonga*
>>
>> *Office Direct Line: (676) 7401312*
>> *Office Operator: (676) 23611*
>> *Mobile: (676) 8429969*
>> _______________________________________________
>> IGSMail mailing list
>> IGSMail at lists.igs.org
>> https://lists.igs.org/mailman/listinfo/igsmail
>>
>
>
> --
> John Galetzka
> CORS Branch Chief
> Spatial Reference System Division
> National Geodetic Survey / NOS / NOAA
> 1315 East West Highway
> Silver Spring, MD 20910-3280
> Email: john.galetzka at noaa.gov
> Mobile: 626-375-4153
>
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