Tonga volcano eruption (2024)

alves thierry

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#28191


Hello all,

they are serious possibilities that you may have recorded some effects of the Tonga islands volcano eurption on your VLF signals. Some effects on Schumann resonances can already be observed on the records of www.vlf.it principally on the IK1QFK and F6ETU records.

Paul could you please have a look to SR on 15 January from 4h14mn45s UTC (time of eruption) with a plot of SR frequencies and intensity. It can be interesting.

Thank you,

Thierry.

Renato Romero
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#28192


Dear friends,
I confirm that some of our monitoring stations have captured the effects of the event!

Here as received from the Lot Et Garonne station, in the south of France. Thanks to F6ETU Jean Marie Brieussel and F5WK Michel Brunel for their invaluable support. This is the magnetic field, received with an ICS101 induction coil.

Tonga volcano eruption (2)

Tonga volcano eruption (3)

Also by receiving station of Cumiana (Noth Italy) , with the electric field , received with a Marconi antenna, I detected the same phenomenon:

Tonga volcano eruption (4)

Tonga volcano eruption (5)

The phenomenon is also confirmed by institutional observers, such as SGO-Oulu:

Tonga volcano eruption (6)

A great success!
Thanks to all the operators of the OpenLab network monitoring stations for their collaboration!

Best regards
Renato Romero

Jonathan

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#28193


I may have captured a dip in amplitude of NAA here in Pennsylvania, US. From 5-6:00UT, a noticeable reduction in amplitude can be observed. I was unable to capture phase because the GPS is not functioning at the moment.

Tonga volcano eruption (7)

Jonathan

toggle quoted messageShow quoted text

On Sunday, January 16, 2022, 5:13 PM, Renato Romero <rromero@...> wrote:

Dear friends,
I confirm that some of our monitoring stations have captured the effects of the event!

Here as received from the Lot Et Garonne station, in the south of France. Thanks to F6ETU Jean Marie Brieussel and F5WK Michel Brunel for their invaluable support. This is the magnetic field, received with an ICS101 induction coil.

Tonga volcano eruption (8)

Tonga volcano eruption (9)

Also by receiving station of Cumiana (Noth Italy) , with the electric field , received with a Marconi antenna, I detected the same phenomenon:

Tonga volcano eruption (10)

Tonga volcano eruption (11)

The phenomenon is also confirmed by institutional observers, such as SGO-Oulu:

Tonga volcano eruption (12)

A great success!
Thanks to all the operators of the OpenLab network monitoring stations for their collaboration!

Best regards
Renato Romero

DURAND Franck

  • All Messages By This Member

#28194


Hi,

I have also recorded a SID event @ 4h17 UTC from Paris area (25km NNO).

CSV Data file could be download from my website:

or

Have a nice day

Franck DURAND

F4IEW

Tonga volcano eruption (13)

Tonga volcano eruption (14)

On 16/01/2022 23:12, Renato Romero wrote:

toggle quoted messageShow quoted text

Dear friends,
I confirm that some of our monitoring stations have captured the effects of the event!

Here as received from the Lot Et Garonne station, in the south of France. Thanks to F6ETU Jean Marie Brieussel and F5WK Michel Brunel for their invaluable support. This is the magnetic field, received with an ICS101 induction coil.

Tonga volcano eruption (15)

Tonga volcano eruption (16)

Also by receiving station of Cumiana (Noth Italy) , with the electric field , received with a Marconi antenna, I detected the same phenomenon:

Tonga volcano eruption (17)

Tonga volcano eruption (18)

The phenomenon is also confirmed by institutional observers, such as SGO-Oulu:

Tonga volcano eruption (19)

A great success!
Thanks to all the operators of the OpenLab network monitoring stations for their collaboration!

Best regards
Renato Romero

Paul Nicholson

#28195


Paul could you please have a look to SR on 15 January
from 4h14mn45s UTC

I don't have anything to receive SR.

And there is nothing interesting on the SID channels, at
that time or later.

--
Paul Nicholson
--


Hi Paul et al.,

On 17.01.22 08:10, Paul Nicholson wrote:

...
And there is nothing interesting on the SID channels, at
that time or later.
...

Confirmed from Kiel. Checked H-Field & E-Field monitors from 10 up to 147 kHz: No significant anomalies.

Peter, 54N 10E

John M. Polard F5VLB
  • All Messages By This Member

#28197


Franck, the volcano exploded at 5:00 utc and to my point of view, only the blast's wave can interfere with the ionosphere.

73's Jean Marie F5VLB

Le 17/01/2022 à 07:37, DURAND Franck a écrit:

toggle quoted messageShow quoted text

Hi,

I have also recorded a SID event @ 4h17 UTC from Paris area (25km NNO).

CSV Data file could be download from my website:

or

Have a nice day

Franck DURAND

F4IEW

Tonga volcano eruption (21)

Tonga volcano eruption (22)

On 16/01/2022 23:12, Renato Romero wrote:

Dear friends,
I confirm that some of our monitoring stations have captured the effects of the event!

Here as received from the Lot Et Garonne station, in the south of France. Thanks to F6ETU Jean Marie Brieussel and F5WK Michel Brunel for their invaluable support. This is the magnetic field, received with an ICS101 induction coil.

Tonga volcano eruption (23)

Tonga volcano eruption (24)

Also by receiving station of Cumiana (Noth Italy) , with the electric field , received with a Marconi antenna, I detected the same phenomenon:

Tonga volcano eruption (25)

Tonga volcano eruption (26)

The phenomenon is also confirmed by institutional observers, such as SGO-Oulu:

Tonga volcano eruption (27)

A great success!
Thanks to all the operators of the OpenLab network monitoring stations for their collaboration!

Best regards
Renato Romero

alves thierry

  • All Messages By This Member

#28198


Hello Paul,
what about the Renato's streaming from Cumiana ?

Thierry.

toggle quoted messageShow quoted text

Sent: Monday, January 17, 2022 at 8:10 AM
From: "Paul Nicholson" <paul@...>
To: VLF@groups.io
Subject: Re: [VLF] Tonga volcano eruption

> Paul could you please have a look to SR on 15 January
> from 4h14mn45s UTC

I don't have anything to receive SR.

And there is nothing interesting on the SID channels, at
that time or later.

--
Paul Nicholson
--

alves thierry

  • All Messages By This Member

#28199


Hello Franck,

can you compare with compare with 14 and 16 January morning plot of GBZ ?

Thierry.

toggle quoted messageShow quoted text

Sent:Monday, January 17, 2022 at 8:28 AM
From:"Jean-Marie Polard" <contact@...>
To:VLF@groups.io
Subject:Re: [VLF] Tonga volcano eruption

Franck, the volcano exploded at 5:00 utc and to my point of view, only the blast's wave can interfere with the ionosphere.

73's Jean Marie F5VLB

Le 17/01/2022 à 07:37, DURAND Franck a écrit:

Hi,

I have also recorded a SID event @ 4h17 UTC from Paris area (25km NNO).

CSV Data file could be download from my website:

or

Have a nice day

Franck DURAND

F4IEW

Tonga volcano eruption (28)

Tonga volcano eruption (29)

On 16/01/2022 23:12, Renato Romero wrote:

Dear friends,
I confirm that some of our monitoring stations have captured the effects of the event!

Here as received from the Lot Et Garonne station, in the south of France. Thanks to F6ETU Jean Marie Brieussel and F5WK Michel Brunel for their invaluable support. This is the magnetic field, received with an ICS101 induction coil.

Tonga volcano eruption (30)

Tonga volcano eruption (31)

Also by receiving station of Cumiana (Noth Italy) , with the electric field , received with a Marconi antenna, I detected the same phenomenon:

Tonga volcano eruption (32)

Tonga volcano eruption (33)

The phenomenon is also confirmed by institutional observers, such as SGO-Oulu:

Tonga volcano eruption (34)

A great success!
Thanks to all the operators of the OpenLab network monitoring stations for their collaboration!

Best regards
Renato Romero

alves thierry

  • All Messages By This Member

#28200


Hello Jonathan,

there is a very similar SID on GBZ received by european VLFers. Can you compare with 14 and 16 January plots to see if this is not a daily usual fading.

Thierry.

toggle quoted messageShow quoted text

Sent:Monday, January 17, 2022 at 2:40 AM
From:"Jonathan via groups.io" <mr_integrity20@...>
To:VLF@groups.io
Subject:Re: [VLF] Tonga volcano eruption

I may have captured a dip in amplitude of NAA here in Pennsylvania, US. From 5-6:00UT, a noticeable reduction in amplitude can be observed. I was unable to capture phase because the GPS is not functioning at the moment.

Tonga volcano eruption (35)

Jonathan

On Sunday, January 16, 2022, 5:13 PM, Renato Romero <rromero@...> wrote:

Dear friends,
I confirm that some of our monitoring stations have captured the effects of the event!

Here as received from the Lot Et Garonne station, in the south of France. Thanks to F6ETU Jean Marie Brieussel and F5WK Michel Brunel for their invaluable support. This is the magnetic field, received with an ICS101 induction coil.

Tonga volcano eruption (36)

Tonga volcano eruption (37)

Also by receiving station of Cumiana (Noth Italy) , with the electric field , received with a Marconi antenna, I detected the same phenomenon:

Tonga volcano eruption (38)

Tonga volcano eruption (39)

The phenomenon is also confirmed by institutional observers, such as SGO-Oulu:

Tonga volcano eruption (40)

A great success!
Thanks to all the operators of the OpenLab network monitoring stations for their collaboration!

Best regards
Renato Romero

alves thierry

  • All Messages By This Member

#28201


Thank you Peter.

Thierry.

toggle quoted messageShow quoted text

Sent: Monday, January 17, 2022 at 8:29 AM
From: "pws" <pws@...>
To: VLF@groups.io
Subject: Re: [VLF] Tonga volcano eruption

Hi Paul et al.,

On 17.01.22 08:10, Paul Nicholson wrote:

...
And there is nothing interesting on the SID channels, at
that time or later.
...
Confirmed from Kiel. Checked H-Field & E-Field monitors from 10 up to 147
kHz: No significant anomalies.

Peter, 54N 10E

Peter GM0EZR

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#28202


My 24h plot for NAA for 2022-01-15, my location is in Fife, Scotland.
Peter GM0EZR

2022-01-15 24h naa.png
John M. Polard F5VLB
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#28203


Hi Jonathan, I confirm your plot ! I collect plots from other vlf stations and all of them have the same dip at 5am utc.

Hereunder from Australia

73's jean Marie F5VLB

contact@...

Tonga volcano eruption (43)

Le 17/01/2022 à 02:40, Jonathan via groups.io a écrit:

toggle quoted messageShow quoted text

I may have captured a dip in amplitude of NAA here in Pennsylvania, US. From 5-6:00UT, a noticeable reduction in amplitude can be observed. I was unable to capture phase because the GPS is not functioning at the moment.

Jonathan

On Sunday, January 16, 2022, 5:13 PM, Renato Romero <rromero@...> wrote:

Dear friends,
I confirm that some of our monitoring stations have captured the effects of the event!

Here as received from the Lot Et Garonne station, in the south of France. Thanks to F6ETU Jean Marie Brieussel and F5WK Michel Brunel for their invaluable support. This is the magnetic field, received with an ICS101 induction coil.

Also by receiving station of Cumiana (Noth Italy) , with the electric field , received with a Marconi antenna, I detected the same phenomenon:

The phenomenon is also confirmed by institutional observers, such as SGO-Oulu:

A great success!
Thanks to all the operators of the OpenLab network monitoring stations for their collaboration!

Best regards
Renato Romero

DURAND Franck

  • All Messages By This Member

#28204


Hi,

Here comparison of my GBZ recording between 15th and 16th, nothing really clear.

I could only say that signal strength is higher the day after (mV).

My recording for day 14th start only around 6 AM due to technical problem (computer) then could help.

Around 5 AM on 15th I get nothing.

That's it !

Have a nice day

Franck

Tonga volcano eruption (44)

toggle quoted messageShow quoted text

Le 17.01.2022 09:00, alves thierry a écrit:

Hello Jonathan,

there is a very similar SID on GBZ received by european VLFers. Can you compare with 14 and 16 January plots to see if this is not a daily usual fading.

Thierry.

Sent:Monday, January 17, 2022 at 2:40 AM
From:"Jonathan via groups.io" <mr_integrity20@...>
To:VLF@groups.io
Subject:Re: [VLF] Tonga volcano eruption

I may have captured a dip in amplitude of NAA here in Pennsylvania, US. From 5-6:00UT, a noticeable reduction in amplitude can be observed. I was unable to capture phase because the GPS is not functioning at the moment.

Tonga volcano eruption (45)

Jonathan

On Sunday, January 16, 2022, 5:13 PM, Renato Romero <rromero@...> wrote:

Dear friends,
I confirm that some of our monitoring stations have captured the effects of the event!

Here as received from the Lot Et Garonne station, in the south of France. Thanks to F6ETU Jean Marie Brieussel and F5WK Michel Brunel for their invaluable support. This is the magnetic field, received with an ICS101 induction coil.

Tonga volcano eruption (46)

Tonga volcano eruption (47)

Also by receiving station of Cumiana (Noth Italy) , with the electric field , received with a Marconi antenna, I detected the same phenomenon:

Tonga volcano eruption (48)

Tonga volcano eruption (49)

The phenomenon is also confirmed by institutional observers, such as SGO-Oulu:

Tonga volcano eruption (50)

A great success!
Thanks to all the operators of the OpenLab network monitoring stations for their collaboration!

Best regards
Renato Romero

John M. Polard F5VLB
  • All Messages By This Member

#28205


Hi Jonathan, can you send me a large format picture and your call please. Where are you located in Pensylvania ? 73's Jean Marie F5VLB

contact@...

Le 17/01/2022 à 02:40, Jonathan via groups.io a écrit:

toggle quoted messageShow quoted text

I may have captured a dip in amplitude of NAA here in Pennsylvania, US. From 5-6:00UT, a noticeable reduction in amplitude can be observed. I was unable to capture phase because the GPS is not functioning at the moment.

Jonathan

On Sunday, January 16, 2022, 5:13 PM, Renato Romero <rromero@...> wrote:

Dear friends,
I confirm that some of our monitoring stations have captured the effects of the event!

Here as received from the Lot Et Garonne station, in the south of France. Thanks to F6ETU Jean Marie Brieussel and F5WK Michel Brunel for their invaluable support. This is the magnetic field, received with an ICS101 induction coil.

Also by receiving station of Cumiana (Noth Italy) , with the electric field , received with a Marconi antenna, I detected the same phenomenon:

The phenomenon is also confirmed by institutional observers, such as SGO-Oulu:

A great success!
Thanks to all the operators of the OpenLab network monitoring stations for their collaboration!

Best regards
Renato Romero

alves thierry

  • All Messages By This Member

#28206


Yes not simple to see something revelant. Can you put the amplitude scale in dB ? It would help a little.

Thanks,

Thierry.

John M. Polard F5VLB
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#28207


Tonga volcano eruption (53)

Le 17/01/2022 à 11:28, alves thierry a écrit:

toggle quoted messageShow quoted text

Yes not simple to see something revelant. Can you put the amplitude scale in dB ? It would help a little.

Thanks,

Thierry.

John M. Polard F5VLB
  • All Messages By This Member

#28208


and another station also from Merv Joyce in Brisbane

73's JM

Tonga volcano eruption (55)

Le 17/01/2022 à 11:28, alves thierry a écrit:

toggle quoted messageShow quoted text

Yes not simple to see something revelant. Can you put the amplitude scale in dB ? It would help a little.

Thanks,

Thierry.

John M. Polard F5VLB
  • All Messages By This Member

#28209


ooops Thierry, sorry the pictures are blured, I try again

73's JM

VK4ZE Merv Joyce.jpgMerv Joyce capture-1.jpg

alves thierry

  • All Messages By This Member

#28210


WOW ! On the plot from the korean transmitter it seems that there was a clear SID probably linked to the eruption. Instead of the plots, if you have the measured values it will be better to compare them all. And make nice clear graphics :D

Thierry.

toggle quoted messageShow quoted text

Sent: Monday, January 17, 2022 at 11:49 AM
From: "Jean-Marie Polard" <contact@...>
To: VLF@groups.io
Subject: Re: [VLF] Tonga volcano eruption

ooops Thierry, sorry the pictures are blured, I try again

73's JM

Tonga volcano eruption (2024)

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