Geonet still can't get it right!

Forums › Off topic › Geonet still can't get it right!

msukiwi

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#213933 19-Apr-2017 16:34

000 00:39:27

2017-04-19T03:08:42.632Z

-38.51

177.69

5.1

reviewed

best

000 00:13:35

2017-04-19T03:08:42.467Z

-38.50

177.71

5.1

reviewed

best

000 00:13:35

2017-04-19T03:08:42.480Z

-38.55

177.71

5.1

automatic

good

000 00:02:53

2017-04-19T03:09:20.715Z

-41.14

175.31

4.6

automatic

good

000 00:03:27

2017-04-19T03:08:42.480Z

-38.55

177.71

5.1

automatic

good

They still can't get it right.....reviewed twice 13 minutes and 39 minutes after the event and changed location again and again and....

MikeB4

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#1767447 19-Apr-2017 16:40

I don't see the issue here. They gather the details from various stations, analyse and form a picture of the incident.

RunningMan

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#1767449 19-Apr-2017 16:42

Would you rather they ignore new information as it comes in?

EDIT:

msukiwi: [snip]

They still can't get it right.....reviewed twice 13 minutes and 39 minutes after the event and changed location again and again and....

What is it they have wrong?

msukiwi

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#1767452 19-Apr-2017 16:46

Considering the Quake Catcher Network (Run by a US University wherever a budget allows!) was more accurate over 5 years ago I'd hope Geonet would be better by now.

Oblivian

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#1767453 19-Apr-2017 16:52

At least you understand the reviewing process as it stands.

I get annoyed with people nearby posting 'felt it' or not on the FB posts. No kidding peoples. The ground everything sits on moved. Allways happens. Sure its an outlet medium for some, But Geonet doesn't really care, they want to have their form filled out for statistical purposes.

And don't get me started on people that post the link to the quake or go correcting all their friends when the size changes during the automatic phase as if the other is right and opposition is wrong.

It's created a bit of a monster since the CHC EQs. People wanted the results faster, Geonet provided with explicit mention that it may change due to the computer modelling constantly. The downside is the loss in accuracy - especially in on-call hours. I don't mean to sound as if referring to this post if I am BTW, but the amount of people that are always telling scientists they got it wrong (referring to the size changes more than this example) when it's their chosen field reminds me a little of the Dr Google vs Doctor studies brigade

I always disregard the GPS location within reason. When the info is coming from rough triangulation based on a wave that can be effected by ground density I don't think the 'it was under my house' posts have that much gusto. A lot easier when the ground is physically ruptured but for anything else the accuracy would surely be as bad as a mobile phone GPS in a mall.

mattwnz

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#1767454 19-Apr-2017 16:52

I am wondering if having so much information is a good thing or not. Espcailly as we still can't predict earthquakes, and every new big quake seems to be 'totally unique' in the way it causes damage. It looks like we are heading down the track of people in higher prone earthguake regions, having to pay more for things like insurance, where having EQC was supposed to prevent that. Same goes for weather and flooding. Where as that is one of the points of insurance, is that you spread the risk across a very large sample, to spread out that risk.

Oblivian

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#1767458 19-Apr-2017 16:56

RunningMan:

What is it they have wrong?

2KM location shift.

msukiwi

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#1767477 19-Apr-2017 17:18

Occasionally they locate it in the wrong Island to all of the "felt" reports.

Maybe I was expecting it to be better by now given 2017 budgets / computing power / expansion of sensors etc.

Especially as I've been part of the QCN for years. (And that uses "hobby" sensors)

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MikeB4

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#1767481 19-Apr-2017 17:22

msukiwi:

Occasionally they locate it in the wrong Island to all of the "felt" reports.

Maybe I was expecting it to be better by now given 2017 budgets / computing power / expansion of sensors etc.

Especially as I've been part of the QCN for years. (And that uses "hobby" sensors)

The ones that pop up in a different island are phantom quakes/readings and they quickly delete these.

Behodar

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#1767493 19-Apr-2017 17:42

Oblivian: 2KM location shift.

If it's the same one I think it is, then it moved from near Gisborne to near Wellington, then back again. Much further than 2 km :)

msukiwi

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#1767495 19-Apr-2017 17:46

It was today's 5.1

Oblivian

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#1767503 19-Apr-2017 18:11

Behodar:

Oblivian: 2KM location shift.

If it's the same one I think it is, then it moved from near Gisborne to near Wellington, then back again. Much further than 2 km :)

Neg, 2 updates in original example I plotted the GPS coords - 2kms between the locations