Australian Politics Forum - Tonga hit by 6.1 Quake

frenchyjen70

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Tonga hit by 6.1 Quake
Mar 12^th, 2011 at 7:06pm

Seems like this has been overlooked
"A 6.1-magnitude earthquake struck the South Pacific nation of Tonga this afternoon, according to the US Geological Survey.

The quake hit about 230km northeast of Neiafu, Tonga at 2:19pm. It occurred at a depth of 10.9km.

No tsunami alert was immediately posted. Earlier the Met Office in Tonga had reported the island nation had recorded 60-90cm waves as a result of the massive 8.9-magnitude earthquake off Japan.

Thousands of people in the capital Nuku'alofa had sought refuge at the King's residence, which was on higher ground, Radio New Zealand reported.

Tonga is an archipelago in the South Pacific, comprising 176 islands scattered over some 700,000km square."

http://www.heraldsun.com.au/news/world/tonga-hit-by-61-magnitude-earthquake/story-e6frf7lf-1226020311247

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zuluwarrior New Member Offline Australian Politics Posts: 32	Re: Tonga hit by 6.1 Quake Reply #1 - Mar 12^th, 2011 at 7:12pm I heard an interview on abc national, the owner of the coastal hotel, don't know her name or address, but anyway she said the low tide was a little bit higher....no adverse effects.
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Life_goes_on

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Re: Tonga hit by 6.1 Quake
Reply #2 - Mar 12^th, 2011 at 7:31pm

Just to give these occurrences a bit of perspective....

Quote:

Frequency of Occurrence of Earthquakes

Magnitude Average Annually

8 and higher 1 ¹
7 - 7.9 15 ¹
6 - 6.9 134 ²
5 - 5.9 1319 ²
4 - 4.9 13,000 (estimated)
3 - 3.9 130,000 (estimated)
2 - 2.9 1,300,000 (estimated)

http://earthquake.usgs.gov/earthquakes/eqarchives/year/eqstats.php

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"You're just one lucky motherf-cker" - Someone, 5th February 2013

Num num num num.

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perceptions_now

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Re: Tonga hit by 6.1 Quake
Reply #3 - Mar 12^th, 2011 at 7:45pm

Life_goes_on wrote on Mar 12^th, 2011 at 7:31pm:

Just to give these occurrences a bit of perspective....

Quote:

Frequency of Occurrence of Earthquakes

Magnitude Average Annually

8 and higher 1 ¹
7 - 7.9 15 ¹
6 - 6.9 134 ²
5 - 5.9 1319 ²
4 - 4.9 13,000 (estimated)
3 - 3.9 130,000 (estimated)
2 - 2.9 1,300,000 (estimated)

http://earthquake.usgs.gov/earthquakes/eqarchives/year/eqstats.php

More perspectives -
http://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/quakes_big.html

My, my, it has been busy!

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Life_goes_on

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Re: Tonga hit by 6.1 Quake
Reply #4 - Mar 12^th, 2011 at 7:52pm

perceptions_now wrote on Mar 12^th, 2011 at 7:45pm:

Life_goes_on wrote on Mar 12^th, 2011 at 7:31pm:

Just to give these occurrences a bit of perspective....

Quote:

Frequency of Occurrence of Earthquakes

Magnitude Average Annually

8 and higher 1 ¹
7 - 7.9 15 ¹
6 - 6.9 134 ²
5 - 5.9 1319 ²
4 - 4.9 13,000 (estimated)
3 - 3.9 130,000 (estimated)
2 - 2.9 1,300,000 (estimated)

http://earthquake.usgs.gov/earthquakes/eqarchives/year/eqstats.php

More perspectives -
http://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/quakes_big.html

My, my, it has been busy!

You do realise that the vast majority of those are aftershocks for just a handful of events?

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"You're just one lucky motherf-cker" - Someone, 5th February 2013

Num num num num.

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perceptions_now

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Re: Tonga hit by 6.1 Quake
Reply #5 - Mar 12^th, 2011 at 8:34pm

Life_goes_on wrote on Mar 12^th, 2011 at 7:52pm:

perceptions_now wrote on Mar 12^th, 2011 at 7:45pm:

Life_goes_on wrote on Mar 12^th, 2011 at 7:31pm:

Just to give these occurrences a bit of perspective....

Quote:

Frequency of Occurrence of Earthquakes

Magnitude Average Annually

8 and higher 1 ¹
7 - 7.9 15 ¹
6 - 6.9 134 ²
5 - 5.9 1319 ²
4 - 4.9 13,000 (estimated)
3 - 3.9 130,000 (estimated)
2 - 2.9 1,300,000 (estimated)

http://earthquake.usgs.gov/earthquakes/eqarchives/year/eqstats.php

More perspectives -
http://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/quakes_big.html

My, my, it has been busy!

You do realise that the vast majority of those are aftershocks for just a handful of events?

Ah, yes, quite a few relating to the current situation in Japan.

I think, I realised that, when I read it!

Still, quite a few others, as well!

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frenchyjen70

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Re: Tonga hit by 6.1 Quake
Reply #6 - Mar 12^th, 2011 at 8:36pm

perceptions_now wrote on Mar 12^th, 2011 at 8:34pm:

Life_goes_on wrote on Mar 12^th, 2011 at 7:52pm:

perceptions_now wrote on Mar 12^th, 2011 at 7:45pm:

Life_goes_on wrote on Mar 12^th, 2011 at 7:31pm:

Just to give these occurrences a bit of perspective....

Quote:

Frequency of Occurrence of Earthquakes

Magnitude Average Annually

8 and higher 1 ¹
7 - 7.9 15 ¹
6 - 6.9 134 ²
5 - 5.9 1319 ²
4 - 4.9 13,000 (estimated)
3 - 3.9 130,000 (estimated)
2 - 2.9 1,300,000 (estimated)

http://earthquake.usgs.gov/earthquakes/eqarchives/year/eqstats.php

More perspectives -
http://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/quakes_big.html

My, my, it has been busy!

You do realise that the vast majority of those are aftershocks for just a handful of events?

Ah, yes, quite a few relating to the current situation in Japan.

I think, I realised that, when I read it!

Still, quite a few others, as well!

New Zealand is still getting after shocks, from the quake in September as well as this years one.

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Aussie Gold Member Offline OzPolitic Posts: 39708 Gender:	Re: Tonga hit by 6.1 Quake Reply #7 - Mar 12^th, 2011 at 9:25pm Quote: New Zealand is still getting after shocks, from the quake in September as well as this years one. How do they tell which after shock originates from September and which from January/February?
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frenchyjen70 Gold Member Offline Australian Politics Posts: 518	Re: Tonga hit by 6.1 Quake Reply #8 - Mar 12^th, 2011 at 9:32pm Aussie wrote on Mar 12^th, 2011 at 9:25pm: Quote: New Zealand is still getting after shocks, from the quake in September as well as this years one. How do they tell which after shock originates from September and which from January/February? Location from where theyre originating from
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Aussie Gold Member Offline OzPolitic Posts: 39708 Gender:	Re: Tonga hit by 6.1 Quake Reply #9 - Mar 12^th, 2011 at 9:36pm So, you are telling me that they are able to say that the after shock 'just then experienced' has it's genesis from some place other than the one 'just experienced now.'
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frenchyjen70 Gold Member Offline Australian Politics Posts: 518	Re: Tonga hit by 6.1 Quake Reply #10 - Mar 12^th, 2011 at 9:40pm You don't make sense.
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Life_goes_on

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Re: Tonga hit by 6.1 Quake
Reply #11 - Mar 12^th, 2011 at 9:40pm

Aussie wrote on Mar 12^th, 2011 at 9:36pm:

So, you are telling me that they are able to say that the after shock 'just then experienced' has it's genesis from some place other than the one 'just experienced now.'

Cheesy

Yes. They are able to accurately locate the origin of earthquakes. If you check out the listing provided, you'll see the location is described down to a 1000th of a degree.

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"You're just one lucky motherf-cker" - Someone, 5th February 2013

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Aussie

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Re: Tonga hit by 6.1 Quake
Reply #12 - Mar 12^th, 2011 at 9:45pm

Life_goes_on wrote on Mar 12^th, 2011 at 9:40pm:

Aussie wrote on Mar 12^th, 2011 at 9:36pm:

So, you are telling me that they are able to say that the after shock 'just then experienced' has it's genesis from some place other than the one 'just experienced now.'

Cheesy

Yes. They are able to accurately locate the origin of earthquakes. If you check out the listing provided, you'll see the location is described down to a 1000th of a degree.

We are talking about after shocks.

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Life_goes_on Gold Member Offline Posts: 4772 400kms south of Yobsville, Qld Gender:	Re: Tonga hit by 6.1 Quake Reply #13 - Mar 12^th, 2011 at 9:50pm That's what I meant. The Christchurch earthquakes didn't originate from the same location. So you can tell from the location of the aftershocks which earthquake they're related to.
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perceptions_now

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Re: Tonga hit by 6.1 Quake
Reply #14 - Mar 12^th, 2011 at 10:02pm

Life_goes_on wrote on Mar 12^th, 2011 at 9:40pm:

Aussie wrote on Mar 12^th, 2011 at 9:36pm:

So, you are telling me that they are able to say that the after shock 'just then experienced' has it's genesis from some place other than the one 'just experienced now.'

Cheesy

Yes. They are able to accurately locate the origin of earthquakes. If you check out the listing provided, you'll see the location is described down to a 1000th of a degree.

That's correct, as can be seen in the following example, it provides the Latitude & longitude, down to 1,000th of a degree, plus magnitude, Date, Time, Depth & approimate area of origin.

LAT deg LON deg DEPTH
MAP 6.1 2011/03/12 10:53:31 39.075 142.352 24.9 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 10:39:12 36.749 141.799 31.3 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/12 10:34:49 37.846 144.377 25.0 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.5 2011/03/12 10:20:22 37.197 143.483 25.5 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 10:00:26 35.984 141.794 25.0 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/12 09:51:35 -3.790 151.443 10.0 NEW IRELAND REGION, PAPUA NEW GUINEA
MAP 5.1 2011/03/12 09:40:44 38.867 142.829 25.0 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 09:27:12 37.436 143.716 25.8 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.4 2011/03/12 09:18:56 37.141 143.496 25.0 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/12 09:00:03 37.328 143.591 41.3 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 08:52:50 37.221 143.659 38.1 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 08:45:30 -7.239 129.151 186.4 KEPULAUAN BABAR, INDONESIA
MAP 5.0 2011/03/12 08:38:40 -20.311 -176.185 229.3 FIJI REGION
MAP 5.0 2011/03/12 08:13:42 39.343 142.989 26.8 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/12 07:54:10 36.064 141.496 31.7 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/12 07:18:53 39.116 144.638 12.7 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/12 07:13:35 37.452 142.050 25.2 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 07:07:32 38.363 142.164 29.7 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 06:36:00 39.636 143.436 28.5 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.5 2011/03/12 06:18:43 39.235 142.377 36.4 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.5 2011/03/12 06:10:44 38.594 143.753 10.4 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/12 06:10:23 37.197 143.710 35.4 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/12 06:00:25 36.415 141.714 29.9 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/12 05:58:59 37.759 143.963 37.6 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 05:14:51 36.811 140.375 25.2 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/12 04:52:58 40.123 143.287 25.0 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/12 04:47:19 35.969 141.416 26.4 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 04:43:04 35.983 141.347 25.9 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/12 04:06:09 38.902 141.792 25.5 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.5 2011/03/12 04:04:49 -2.994 139.126 48.3 NEAR THE NORTH COAST OF PAPUA, INDONESIA
MAP 5.1 2011/03/12 03:54:48 35.838 141.275 26.2 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/12 03:34:46 35.257 140.973 25.2 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/12 03:29:28 37.929 144.671 25.1 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.7 2011/03/12 03:11:59 35.950 141.407 24.5 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.8 2011/03/12 03:01:49 39.612 142.770 25.0 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.6 2011/03/12 02:47:36 37.617 143.696 25.7 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 02:43:11 39.170 142.342 25.3 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/12 02:34:05 36.738 141.411 22.2 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/12 01:59:44 37.522 142.783 24.5 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 6.8 2011/03/12 01:47:16 37.588 142.682 24.8 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 6.2 2011/03/12 01:46:21 37.354 141.998 25.4 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/12 01:43:20 36.321 141.753 27.7 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 6.0 2011/03/12 01:34:10 38.748 142.853 24.5 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/12 01:25:04 36.425 141.605 27.5 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 6.1 2011/03/12 01:19:07 -16.727 -173.174 10.9 TONGA
MAP 5.7 2011/03/12 01:17:41 -16.661 -173.066 31.5 TONGA
MAP 5.4 2011/03/12 01:17:02 38.095 142.702 24.6 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/12 01:03:59 37.939 141.556 26.0 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.5 2011/03/12 00:45:10 36.041 141.815 23.7 NEAR THE EAST COAST OF HONSHU, JAPAN

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