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SNZO is part of the Global Seismographic Network, a permanent digital network of state-of-the-art seismological and geophysical sensors connected by a telecommunications network. SNZO is hosted by the Institute of Geological and Nuclear Sciences, located in Karori Wellington in the Lower North Island at Latitude: -41.309, Longitude: 174.704, Elevation: 120 metres |
The graphs below are screenshots I have taken from the LISS – Live Internet Seismic Server web site at intermitant intervals (usually when something is going on) and matched with data from USGS, EMSC, GFZ, LDEO and GeoAu for individual larger sized (usually mag 5+) earthquakes for that day, to help identify unlisted earthquakes, many which appear be in the Southern Ocean, SW, S and SE of New Zealand. The name (location) and size (magnitude) of the earthquake is marked and the arrival time at SNZO where available.
If the text or time has an asterix beside it then it’s just a guess based on what was close time wise, but has no phase data arrival time for SNZO available. Some arrival times marked LR= or LQ= are the estimated surface wave arrival time calculated based on the assumption that the wave packet is traveling at 3.9 km/sec. LR stands for Love-Rayleigh and are surface waves. More on P and LR Waves here
If a trace (the wiggly lines) do not have a text beside or near them then it was not listed by Geonet, USGS, GFZ or EMSC.
Hover your cursor over each graph to see the name of the main event on the graph, click on the image for a larger full size version (opens in another tab/window)
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 19-07-2013 1218 Cook Strait 5.7, 4.5, Vanuatu 5.6, Kerm 5.5 |
 17-07-2013 1518 S Shetland 5.7, S Peru 6.0 |
 16-07-2013 1748 Solomon Is 5.9 |
 16-07-2013 0548 Tonga 5.9, S Sandwich Is 7.3 |
 11-07-2013 0348 Kermadec Is 5.1,5.2,5.4 Bismark Sea 5.1 |
 10-07-2013 0017 Southern Sumatra 5-5, Kermadec Is 5.1 |
 08-07-2013 0448 New Ireland 7.3, New Britain 6.5 |
 06-07-2013 0919 Kermadec Is 5.1, Southern Sumatra 6.0 |
 05-07-2013 0618 Solomon Is 6.0 |
 04-07-2013 0518 Kermadecs 5.2, Milford Sound 5.3, Uganda 5.7 |
 03-07-2013 0618 N. Sumatra 6.0, 5-5, 5-5, Tonga 5.7 |
 29-06-2013 1418 SEPacRise 5.3 Taiwan 5.6 Balleny 5.0 |
 28-06-2013 1717 E of Loyalty Is 5.0 |
 25-06-2013 0718 New Britain 5.6, 5-5 NorthernMidAtlanticRidge 6.4 |
 24-06-2013 0717 ReStart |
 20-06-2013 1347 Storm/Wind Effect/Power Failure |
 19-06-2013 1417New Ireland 5.5 Tonga 5.3 |
 17-06-2013 0418 Mexico 5.9 Macquarie Is 5-7,5.3, Crete 5.8 |
 16-06-2013 0048 S of Kerm Is 6.0, Crete 6.0, Nicaragua 6.4 |
 14-06-2013 0318 Ryukyu Is 5.8, S of Java 6.7, 5.3 |
 10-06-2013 0418 NT, Australia 5.7, Hawke Bay, NZ, 4.5 |
 08-06-2013 0919 Taiwan 5.8, S Mid Atlantic Ridge 5.7, Balleney Is 5.3 |
 06-06-2013 0048 Santa Cruz is 6.1 |
 05-06-2013 0148 Kuril Is 5.3, 5.5, 5.5, Marianas 5.4, Hawaii 5.2 |
 02-06-2013 0849 Philippines 5.6, Solomon Is 5.5, BallenyIs 5.3, Taiwan 6.2 |
 31-05-2013 1647 Loyalty Is 4-8, 4-5, 5-0 |
 30-05-2013 0447 Technical Fault |
 27-05-2013 2247 Owen Fracture Zone 5.9, New Ireland 5.2, Kamchatka 5.6 |
 26-05-2013 1318 W of Macquarie Is 4.8, SE Uzbekistan 5.8 |
 25-05-2013 1318 Sea of Okhotsk 6.7, WofMacquarie 5.0, Banda Sea 5.5 |
 24-05-2013 1818 Sea of Okhotsk 8.3, Tonga 6.1, Sea of Okhotsk 6.7 |
 24-05-2013 0218 Tonga 7.4 |
 21-05-2013 0348 Chile 6.2, Kamchatka 5-8,5-9 |
 20-05-2013 0218 Kamchatka 5.9,5.8,5.7 |
 18-05-2013 1448 SofAfrica 5.7, Honshu 6.0, Iran 5.5[2] |
 17-05-2013 1518 Santa Cruz Is 5.7, Solomon Is 5.2 |
 15-05-2013 0820 N.Sumatra 5.6, New Ireland 5.6 |
 14-05-2013 0919 Mariana Is 6.8 |
 11-05-2013 2148 Iran 6.2 Tonga 6.2
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 07-05-2013 1548 SW of Fiji 5.9
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 06-05-2013 1717 Tonga 5.6
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 30-04-2013 1518 Azores5.8 Leeward5.3 Balleny5.4 |
 26-04-2013 2147 Kuri 5.2, 5.3 Kermadec 6.1 |
 22-04-2013 2348 Mexico 6.0 Rat Is 5.5 |
 21-04-2013 1548 Izu Is 6.0 Andreanof Is 5.8 |
 20-04-2013 2118 China7.0 Banda6.2 BouvetIs5.8 KurilIs6.2 |
 20-04-2013 0118 Kuril7.0 Timor5.9 Kuri6.0 China7.0 |
 19-04-2013 1918 KurilIs7.2 STimor5.9 |
 19-04-2013 0348 SWRyukyuIs5.4 SEPacRise5.4 |
 17-04-2013 1548 NewGuinea6-5 Honshu5.6,5.9 |
 16-04-2013 1718 Iran 7.7 |
 14-04-2013 1018 Vanuatu5.5 SolomonIs6.6 |
 11-04-2013 SantaCruz5.2 Philippines5.9 Fiji 5.2 |
 06-04-2013 1848 Papua 7.0 SEPacRise 5.5 |
 06-04-2013 0018 Kerm 4-9,5.1 ERussia/NWChina 6.3 |
 02-04-2013 0518 os Honshu 5.9 |
 01-04-2013 0048 Pac-Ant Ridge 5.7 |
 31-03-2013 0518 BalleneyIs 5.0, Burma-India Bdr 5.4 |
 30-03-2013 0048 Chile 5.5, Balleny Is 5.3, SE of Easter Is 5.0 |
 28-03-2013 1448 Tonga5.4 Kerm5.0
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 27-03-2013 1548 SKerm5.4 Taiwan5.9
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 24-03-2013 2218 KurilIs6.0 Vanuatu6.1 LoyaltyIs5.2 SantaCruz5.3
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 10-03-2013 1918 NewBritain5.7
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 06-03-2013 1618Kerm5.1 SELoyalty5.6, 5.4
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 05-03-2013 1618Kuril5.2,NewBritian5.1,5.8
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 01-03-2013 1818 Kuril Is 6.3, 6.5
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 28-02-2013 1548 Vanuatu5.9Kuril/Kamchatcha6.8
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 25-02-2013 0218 E Timor5.1,SKerm5.5,5.1,5.2
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 23-02-2013 1548HawkeBay4.8,SantaCruz5.9,5.7,Timor5.7 |
 20-02-2013 0518NTonga5.6, SantaCruz5.6
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 18-02-2013 1648 SantaCruz 5.1,5.6, Kermadec Is 5.8
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 02-08-2012 1518 Peru-Brazil 6.1New Ireland 6.0, off NI,NZ 5.3 |
 25-07-2012 1648 Simeule 6.3 Solomon 6.5
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 04-07-2012 0348 Taranaki 6.3 Macquarie 5.5
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 22-06-2012 1648 Kermadec5sMacquarie5.9
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 20-06-2012 0218 Victoria5.2Aleutians6.0
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 18-06-2012 1418 Honshu6.4
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 17-06-2012 1548 Luzon6.0Solomon5.6
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 15-06-2012 0318 MoluccaSea5.6Philippines5.6
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 10-06-2012 0318 Taiwan5.9
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 07-06-2012 1848 Chile6.0Peru6.0
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 05-06-2012 2348 Honshu6.1
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 04-06-2012 1548 Panama6.3×2 Java5.9Fiji5.3
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 31-05-2012 0247Technical Fault
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 25-05-2012 1547 GreenlandSea6.2,ChCh5.4
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 24-05-2012 0418 Hokkaido 6.0,WIndianAntarcticRidge6.0,5.9
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 22-05-2012 0418 Bulgaria5.6
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 20-05-2012 1618 Italy6.1Honshu6.3
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 19-05-2012 1748 Chile 5.9
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 18-05-2012 1414 offSChile6.3
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 16-05-2012 1748NewBritain5.8
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 15-05-2012 2348 Tonga5.1
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 14-05-2012 1718 Chile6.2
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 12-05-2012 1648 Southland5.5Tonga5.4
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 10-05-2012 1518 EasterIs5.9
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 09-05-2012 1518 BallenyIs4’s
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 08-05-2012 2018 PacAntRidge4.9Tonga5.0
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 06-05-2012 0248 Tonga5.5
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 02-05-2012 1518 Chiapas5.9 |
 01-05-2012 0448 NIndianOcean5.7 |
 29-04-2012 1848 Honshu5’s |
 28-04-2012 2018 Tonga6.7 |
 25-04-2012 1818 NicobarIs5.8 |
 25-04-2012 0418 Tonga5.6 |
 24-04-2012 0518 KermadecIs5.7 |
 23-04-2012 1648 Tonga5’s |
 22-04-2012 1718 MacquarieIs5’s |
 21-04-2012 1518 Papua6.6 |
 21-04-2012 0148 WCSumatra6.3 |
 17-04-2012 1649 ENGuinea6.8 |
 16-04-2012 1619 Sulawesi5.8 |
 15-04-2012 0750 WSumatra&Vanuatu6’s |
 14-04-2012 1549 DrakePassage6.2 |
 13-04-2012 1649 Honshu5.7 |
 12-04-12 1620 Michocan&Baja6’s |
 11-04-2012 1619 WSumatra8.6&8.2 |
 10-04-2012 1519 AscensionIs5.8 |
 07-04-2012 0849 NewIreland6.1 |
 03-04-2012 0349 Oaxaca6.0 |
 02-04-2012 0249 NewIreland5.7 |
 01-04-2012 1618 Carterton4.8 |
 28-03-2012 1719 Honshu6.0 |
 28-03-2012 1618 PacAntRidge5.5 |
 27-03-2012 0619 NEPacificRise6.0 |
 26-03-2012 0519 Chile7.1 |
 25-03-2012 0819 PacAntRidge5.6 |
 24-03-2012 1748 SAustralia5.6 |
 22-03-2012 0119 NGuinea6.6 |
 21-03-2012 0349 Oaxaca7.4 |
 20-03-2012 1949 Papua6.2Oaxaca7.4 |
 20-03-2012 1448 Samoa5.9 |
 18-03-2012 0418 SEPacificRise5.1 |
 17-03-2012 0418 SELoyaltyIs5.3 |
 16-03-2012 1418 NBritain6.2Fiordland5.0 |
 15-03-2012 0349 Honshu6sNBritain6.2 |
 14-03-2012 1549 Honshu6.9,6.1,6.0 |
 13-03-2012 0348 Kashmir 5.6 |
 09-03-2012 1548 Vanuatu6.7 |
 07-03-2012 2118 Papua5.7 |
 04-03-2012 1748SELoyaltyIs5.7 |
 01-03-2012 0048Vanuatu5.4 |
 27-02-2012 0618 SFijiSwarm |
 27-02-2012 1518 SWSiberia6.7Kerm6.0Fiji6.2 |
 25-02-2012 1418Kerm5.1 |
 22-02-2012 0717 Tonga5.2 |
 20-02-2012 0645 Macquarie 4.7 |
 17-02-2012 1448 Vanuatu5.1 |
 15-02-2012 1748 osOregon5.8 |
 14-02-2012 1648 SolomonIs6.4 |
 13-02-2012 2218 Kermadec5’s |
 SNZO 10-02-2012 0548 Macquarie 5.8 |
 09-02-2012 1518 SolomonIs5.3 |
 08-02-2012 1548 Kermaec5.3 |
 06-02-2012 1548 Phillippines6.7,5.7,6.0 |
 05-02-2012 2048 Vanuatu6.1,6.0 |
 05-02-2012 0118 Tonga5.7Vanuatu6.1 |
 03-02-2012 1518 Vanuatu6.0 |
 03-02-2012 0218 Vanuatu7.1STaranakiB5.7 |
 02-02-2012 1718 Vanuatu7.1 |
 28-01-2012 1648 EPacificRise5.5 |
 25-01-2012 1318 Puysegur5.5, 5.0 |
 24-01-2012 0318 Chile6.2Fiji6.4 |
 22-01-2012 2018 SSandwich6.0 |
 22-01-22 0218 Chiapas6.3 |
 21-01-2012 1618 BallenyIs4.8 |
 20-01-2012 0148 PuysegurAftershocks |
 19-01-2012 0818 Puysegur 5.8 |
 18-01-2012 1548 MoluccaSea5.5 |
 17-01-2012 1548 Philippines5.7 |
 16-01-2012 0318 SShetland6.6,6.2 |
 15-01-2012 0348 Christchurch5.0Plilippines5.7 |
 14-01-2011 0318 SKermadec5.1,5.1 |
 12-01-2012 1518 Honshu5.7SAfrica4.9,4.9,5.5 |
 11-01-2012 0148 NSumatra7.3 |
 09-01-2012 1648 SantaCruz6.6 |
 08-01-2012 0148 Kerm5.5 |
 06-01-2012 1618 ECape5.1Christchurch 5.2 |
 05-01-2012 0318 Tonga5.4SantaCruz5.2,5.1 |
 04-01-2012 0348 Guam5.2 |
 01-01-2012 1918 IzuIs6.8Chch5.5 |
 31-12-2011 0817 Kerm5.2PacAntRidge5.6 |
 30-12-2011 1817 Kerm5.0PacAntRidge4.6 |
 30-12-2011 0247 Vanuatu5.5 |
 29-12-2011 0218 PacAntRidge5.5 |
 27-12-2011 1717
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 26-12-2011 2247 Tonag6.0Vanuatu5.6 |
 23-12-2011 1617 Chch5.8,5.3,6.0Kerm5.5 |
 SNZO 23-12-2011 0317 Chch5.8,5.3,6.0 |
 22-12-2011 0017 Kerm5.7 |
 20-12-2011 0319 Kerm4.9 |
 SNZO 19-12-2011 1719 Kerm5.3 |
 15-12-2011 1619 Kerm6.3 |
 14-12-2011 1449 ENewGuinea7.1 |
 14-12-2011 0249 Sulawesi6.0Tonga4.9 |
 11-12-2011 1622 Guerrero6.7SSandwich6.2 |
 08-12-2011 0522 NMalukuIs5.9Chile6.1 |
 06-12-2011 0321 Papua5.7 |
 03-12-2011 0921 CookStrait5.7 |
 28-11-2011 1651 NewIrelan6.1 |
 25-11-2011 0021 Hokkaido6.2 |
 24-11-2011 0250 Honshu6.1 |
 23-11-2011 0151 Bolivia6.6 |
 22-11-2011 0350 ECape5.1 |
 19-11-2011 0920 NEFiji4.9,4.9
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 18-11-2011 1620 ECape5.7,5.8
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 17-11-2011 1650 Ecuador6.0
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 16-11-2011 1650 Papua5.7
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 14-11-2011 1621 SMoluccaSea6.3
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 13-11-2011 0549 SEPacificRise5.5
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 11-11-2011 1649 SEPacificRise6.1
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 08-11-2011 1649 IzuIs6.9
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 23-10-2011 Van, Turkey 7.1
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Many of the larger events shown in the graphs have the phase data archived at quakewatch.wordpress.com
new zealand earthquakes ~ preliminary maps, lists and graphs ~ 1810-2014 