Lake Rotoaira Swarm Nov 21st 2009

Continuation of swarm of 20th November, similar pattern with two micro quakes at the base of Mt. Tihia and two very minor-quakes up higher on the south western slopes.



REF, LAT, LONG, TIME, DEPTH, MAG

3187077, -39.0194, 175.7065, 2009/11/21 09:48:49.8, 5, 1.878
3187091, -39.0186, 175.701, 2009/11/21 10:22:48.9, 5, 1.547
3187166, -39.009, 175.7028, 2009/11/21 13:26:33.0, 5, 2.793
3187167, -39.0033, 175.6885, 2009/11/21 13:29:10.3, 2, 2.465


data by geonet. map by google maps. plots by highace using GPS Visualizer

Lake Rotoaira Swarm Nov 20th 2009

Small 7 event swarm with 2 very-minor events an hour apart at Sat 1:415am and 2:44am NZDT in the southern foothills of Mt. Tihia, then a series of 5 events between 9:18 am and 10:01am more to the west south west.


REF, LAT, LONG, TIME, DEPTH, MAG

3186643, -39.01523, 175.72263, 2009/11/20 12:41:35.9, 5, 2.057
3186662, -39.00906, 175.71051, 2009/11/20 13:44:37.7, 5, 2.329
3186784, -39.015, 175.69855, 2009/11/20 20:18:55.2, 5, 1.84
3186787, -39.01305, 175.68974, 2009/11/20 20:27:27.0, 5, 1.544
3186795, -39.0123, 175.69469, 2009/11/20 20:53:11.8, 5, 1.582
3186796, -39.02209, 175.70459, 2009/11/20 20:56:23.9, 5, 1.88
3186797, -39.00916, 175.68362, 2009/11/20 21:01:04.9, 6, 1.586


data by geonet. map by google maps. plots by highace using GPS Visualizer

Lake Rotoaira Area Sept 21st 2009

Small micro swarm over a period of 5 hours September 21st 2009 to the north west of Lake Rotoaira


REF, LAT, LONG, TIME, DEPTH, MAG
3157261, -39.02364, 175.67839, 2009/09/21 14:16:43.4, 8, 1.576
3157263, -39.01843, 175.66907, 2009/09/21 14:20:16.8, 9, 1.546
3157330, -39.02441, 175.67648, 2009/09/21 18:00:44.5, 7, 1.366
3157361, -39.0285, 175.67654, 2009/09/21 19:25:07.5, 7, 1.513
3157363, -39.02919, 175.67766, 2009/09/21 19:31:41.3, 13, 1.755
3157366, -39.02467, 175.65073, 2009/09/21 19:43:25.5, 4, 1.317

data by geonet. map by google maps. plots by highace using GPS Visualizer

Lake Rotoaira Swarm May 30th-June 2nd

Swarm on the shores of Lake Rotoaira, which is between Lake Taupo and Mount Tongariro. Started on the 30th May and most of the action 31st May UTC but still going on 1st June UTC.
3 of the events have been felt in the Turangi area which is the nearest population centre (pop. 3,500), the largest the 3.782 ML

The map below shows the same events split into date by magnitude (see key on map)


The map below shows the same events split into date by colour (see key on map)


The Volcano Alerts are normal, Ruapehu still at Alert Level 1 which is standard for an active volcano.
List of 59 events in this swarm;
REF, LAT, LONG, TIME, DEPTH, MAG, FELT
3100075, -39.0431, 175.711, 2009/05/30 15:31:37.6, 1.8, 2.268
3100080, -39.0448, 175.714, 2009/05/30 15:43:08.4, 5.6, 1.894
3100227, -39.0353, 175.7127, 2009/05/30 22:03:54.4, 9.9, 1.935
3100238, -39.0371, 175.7172, 2009/05/30 22:27:33.4, 5.2, 2.546
3100244, -39.0327, 175.7252, 2009/05/30 22:42:10.0, 3.4, 2.442
3100365, -39.0426, 175.7242, 2009/05/31 04:13:52.9, 7.7, 2.11
3100376, -39.0419, 175.7183, 2009/05/31 04:39:16.2, 5.5, 2.917
3100380, -39.0406, 175.7192, 2009/05/31 04:52:01.7, 6.2, 2.666
3100497, -39.0489, 175.728, 2009/05/31 09:56:00.9, 3.5, 1.711
3100501, -39.0429, 175.7239, 2009/05/31 10:04:46.2, 8.3, 1.899
3100514, -39.0516, 175.7355, 2009/05/31 10:33:13.1, 0.5, 3.064
3100518, -39.0461, 175.7405, 2009/05/31 10:39:19.0, 1.7, 2.208
3100521, -39.0293, 175.6915, 2009/05/31 10:46:00.4, 0.0, 2.808
3100529, -39.0364, 175.7302, 2009/05/31 11:02:39.3, 4.5, 3.264
3100531, -39.0335, 175.6883, 2009/05/31 11:05:32.6, 1.8, 2.559
3100533, -39.0424, 175.7376, 2009/05/31 11:08:45.3, 4.5, 3.172, F
3100543, -39.0461, 175.736, 2009/05/31 11:20:18.4, 3.9, 2.171
3100544, -39.0467, 175.7325, 2009/05/31 11:23:39.6, 7.0, 1.893
3100559, -39.0376, 175.7171, 2009/05/31 11:54:09.7, 3.8, 3.258, F
3100572, -39.0484, 175.7257, 2009/05/31 12:26:11.8, 2.4, 1.897
3100617, -39.0427, 175.7182, 2009/05/31 14:26:58.2, 6.0, 2.351
3100619, -39.0394, 175.7278, 2009/05/31 14:31:04.4, 4.6, 3.818
3100627, -39.0444, 175.7223, 2009/05/31 14:31:04.5, 6.2, 3.782, F
3100622, -39.0368, 175.6844, 2009/05/31 14:37:51.0, 5.5, 3.235
3100628, -39.037, 175.7401, 2009/05/31 14:46:43.4, 6.1, 2.049
3100629, -39.0372, 175.7282, 2009/05/31 14:47:58.9, 7.4, 2.139
3100630, -39.0486, 175.7315, 2009/05/31 14:50:14.2, 6.9, 1.725
3100632, -39.017, 175.719, 2009/05/31 14:54:56.3, 11.3, 2.849
3100635, -39.0571, 175.7479, 2009/05/31 15:00:36.2, 2.3, 2.745
3100636, -39.0393, 175.7331, 2009/05/31 15:02:19.5, 3.3, 2.422
3100637, -39.0398, 175.7078, 2009/05/31 15:03:23.1, 6.2, 2.09
3100640, -39.0392, 175.7304, 2009/05/31 15:09:41.5, 4.6, 1.961
3100642, -39.0477, 175.7112, 2009/05/31 15:12:38.0, 4.3, 2.247
3100643, -39.0539, 175.7834, 2009/05/31 15:13:42.9, 12.8, 2.062
3100645, -39.0406, 175.7374, 2009/05/31 15:16:48.4, 6.0, 3.454
3100646, -38.9791, 175.7699, 2009/05/31 15:18:55.7, 0.0, 2.167
3100651, -39.0455, 175.7158, 2009/05/31 15:32:00.7, 6.7, 2.284
3100654, -39.0495, 175.7159, 2009/05/31 15:38:30.9, 3.6, 2.647
3100660, -39.0432, 175.7264, 2009/05/31 15:50:46.1, 5.8, 2.127
3100697, -39.0277, 175.7005, 2009/05/31 17:14:28.0, 7.8, 2.145
3100698, -39.0368, 175.727, 2009/05/31 17:16:49.1, 2.0, 2.839
3100907, -39.044, 175.7272, 2009/06/01 02:19:58.5, 7.4, 1.952
3100912, -39.0448, 175.7254, 2009/06/01 02:34:43.7, 4.3, 2.246
3100915, -39.0595, 175.7087, 2009/06/01 02:39:00.9, 5.0, 2.736
3100917, -39.0496, 175.724, 2009/06/01 02:42:17.7, 5.0, 2.344
3100919, -39.0145, 175.7314, 2009/06/01 02:47:16.6, 8.3, 2.033
3100923, -39.037, 175.7241, 2009/06/01 02:55:55.3, 2.0, 2.388
3100927, -39.0449, 175.7217, 2009/06/01 03:07:26.7, 6.4, 1.862
3100937, -39.02, 175.722, 2009/06/01 03:29:09.8, 10.5, 1.864
3100939, -39.04, 175.7251, 2009/06/01 03:31:54.9, 2.9, 2.611
3100946, -39.0413, 175.7179, 2009/06/01 03:44:47.5, 8.0, 1.854
3100952, -39.0434, 175.7129, 2009/06/01 03:58:14.2, 7.9, 1.92
3100957, -39.0585, 175.7264, 2009/06/01 04:12:45.5, 6.4, 1.874
3101065, -39.0398, 175.7185, 2009/06/01 08:42:10.7, 6.7, 1.81
3101067, -39.0438, 175.7152, 2009/06/01 08:44:47.9, 3.9, 1.672
3101077, -39.0355, 175.7063, 2009/06/01 09:08:35.9, 9.4, 1.859
3101138, -38.574, 175.7121, 2009/06/01 11:34:46.3, 178.7, 3.753
3101155, -39.015, 175.6649, 2009/06/01 12:19:08.1, 2.2, 1.821
3101248, -39.0386, 175.7208, 2009/06/01 16:01:21.6, 5.0, 1.69


data by geonet. map by google maps. plots by highace using GPS Visualizer

Lake Rotoaira Area Jan-May 2009

In the period January 1st through to 29th May there were 40 earthquake events in the Lake Rotoaira/Rotopounamu area, with two notable small swarms on the 7th and 15th May, prior to the events of the 30th May/1stJune.



List of 40 events Jan 1 to May 29th 2009;
REF, LAT, LONG, TIME, DEPTH, MAG, FELT
3025704, -39.0337, 175.7301, 2009/01/05 05:13:06.2, 5, 1.552
3033503, -39.0576, 175.6799, 2009/01/21 13:07:09.0, 6, 1.756
3033666, -39.0537, 175.6765, 2009/01/21 21:04:13.0, 5, 1.458
3035641, -39.0161, 175.7071, 2009/01/25 13:55:07.7, 5, 1.141
3035577, -39.0167, 175.7015, 2009/01/25 15:00:34.4, 5, 1.211
3035595, -39.0188, 175.7118, 2009/01/25 15:58:10.6, 5, 1.261
3037020, -39.0558, 175.6789, 2009/01/28 09:17:51.1, 6, 1.263
3039998, -39.021, 175.7161, 2009/02/03 07:30:43.2, 5, 1.117
3047910, -39.0289, 175.6901, 2009/02/19 14:18:00.0, 5, 1.394
3052748, -39.0396, 175.7107, 2009/03/01 09:47:42.5, 5, 1.305
3065715, -39.0229, 175.7173, 2009/03/26 14:07:07.1, 9, 1.205
3065720, -39.0334, 175.7315, 2009/03/26 14:22:35.4, 2, 1.182
3065763, -39.0217, 175.7182, 2009/03/26 16:30:49.8, 8, 1.465
3065866, -39.0165, 175.6827, 2009/03/26 20:41:22.1, 5, 1.047
3069562, -39.0467, 175.6867, 2009/04/03 01:58:52.1, 6, 1.704
3070080, -39.0278, 175.6833, 2009/04/04 04:40:14.8, 5, 1.432
3070088, -39.0301, 175.6905, 2009/04/04 05:05:29.8, 5, 1.217
3070095, -39.0265, 175.6882, 2009/04/04 05:23:45.2, 5, 1.474
3071044, -39.0384, 175.7225, 2009/04/04 05:51:32.2, 5, 1.287
3070771, -39.0191, 175.7296, 2009/04/05 14:54:39.6, 7, 1.438
3076983, -39.042, 175.6805, 2009/04/17 12:17:42.6, 5, 1.33
3077469, -39.0157, 175.6738, 2009/04/18 09:54:16.3, 5, 1.045
3086002, -39.0417, 175.7278, 2009/05/04 17:08:15.2, 5, 1.709

A small swarm occurred on 7th May at the north end of Lake Rotopounamu, 6 events over a period of 23 minutes
3087306, -39.0264, 175.7355, 2009/05/07 06:00:44.9, 2, 2.813
3094824, -39.0243, 175.7333, 2009/05/07 06:01:56.8, 2, 1.683
3087309, -39.0225, 175.7461, 2009/05/07 06:04:44.0, 5, 1.825
3087312, -39.0226, 175.7445, 2009/05/07 06:11:27.7, 5, 2.173
3087313, -39.0226, 175.7417, 2009/05/07 06:15:23.4, 2, 2.304
3087318, -39.0265, 175.7392, 2009/05/07 06:23:02.6, 2, 1.65


A small swarm occurred on the 15th May, starting with 4 initial micro quakes within a period of 6 minutes, starting from the south west corner of Motuopuhi Island and looping south and eastwards towards the south western flanks of Onepoto Craters, with 3 further events 4 hours later centred around where the Onepoto stream enters Lake Rotoaira.
3091788, -39.0343, 175.7066, 2009/05/15 16:16:54.4, 5, 1.435
3091789, -39.0375, 175.7071, 2009/05/15 16:18:19.5, 8, 1.739
3097688, -39.0418, 175.7112, 2009/05/15 16:22:36.5, 5, 1.498
3091791, -39.0449, 175.7242, 2009/05/15 16:23:05.5, 5, 1.883
3091881, -39.047, 175.7206, 2009/05/15 20:05:27.7, 7, 1.868
3091886, -39.043, 175.7175, 2009/05/15 20:15:37.6, 7, 1.807
3091906, -39.0419, 175.7243, 2009/05/15 21:11:06.6, 6, 1.842


3093372, -39.0392, 175.7184, 2009/05/18 09:46:44.1, 5, 1.488
3093374, -39.0426, 175.719, 2009/05/18 09:53:55.2, 5, 1.243
3094956, -39.0308, 175.7178, 2009/05/21 05:44:25.8, 8, 2.398
3094962, -39.0249, 175.6997, 2009/05/21 05:51:23.1, 8, 1.976

data by geonet. map by google maps. plots by highace using GPS Visualizer

2008 Lake Rotoaira quakes

In 2008 there were only 18 earthquake events in the Lake Rotoaira/Rotopounamu area, with just one swarm of 5 micro events. One quake of note, because of it’s depth and magnitude was the 3.793 ML at 116 km deep on the 19th March. The epic-center was located below the south west corner of Mt Pihanga (shown on map as a grey orb)



REF, LAT, LONG, TIME, DEPTH, MAG
2855717, -39.0594, 175.7424, 2008/01/25 09:26:22.1, 11, 1.648
2858224, -39.0524, 175.7687, 2008/01/30 18:50:12.3, 3, 1.837
2867955, -39.0446, 175.7893, 2008/02/19 22:50:23.9, 8, 2.223
2881694, -39.06, 175.7303, 2008/03/18 20:11:11.8, 5, 2.385
2881696, -39.039, 175.7137, 2008/03/18 20:15:20.0, 9, 1.238
2881772, -39.059, 175.7511, 2008/03/19 00:27:19.0, 116, 3.793
2910975, -39.027, 175.6918, 2008/05/20 03:55:03.7, 5, 1.587
2935261, -39.0169, 175.7499, 2008/07/08 18:37:48.7, 6, 2.134
2952936, -39.0218, 175.7474, 2008/08/13 14:58:39.0, 5, 1.324
2953770, -39.0179, 175.7509, 2008/08/15 03:03:20.5, 8, 1.933

A short 16hr 5 event swarm on the 22nd August, located between the Wairehu Canal and the Mangatipua Stream in the low laying swampland, north east corner of Lake Rotoaira
2957102, -39.0387, 175.6697, 2008/08/22 01:41:48.1, 5, 1.462
2957115, -39.0385, 175.684, 2008/08/22 02:10:32.4, 5, 2.398
2957255, -39.0421, 175.6828, 2008/08/22 07:12:13.0, 5, 1.914
2957361, -39.0355, 175.688, 2008/08/22 11:56:10.9, 5, 2.011
2962597, -39.0394, 175.6776, 2008/08/22 17:50:10.5, 5, 1.241



2975137, -39.0154, 175.6876, 2008/09/27 02:41:52.9, 7, 1.623
2979358, -39.0325, 175.7084, 2008/10/05 12:54:11.6, 5, 1.418
3012500, -39.0308, 175.7215, 2008/12/09 18:00:44.9, 5, 1.164

data by geonet. map by google maps. plots by highace using GPS Visualizer

2007 Rotoaira/Rotopounamu quakes

2007 was a another quiet year in the Rotoaira/Rotopounamu area with only 8 earthquakes and no swarms. The deepest quake was the 2.682 ML event of April 1st at 95km deep. (shown on map as a magenta coloured orb)



REF, LAT, LONG, TIME, DEPTH, MAG
2712952, -39.0155, 175.7212, 2007/03/20 14:36:55.1, 5, 1.125
2720345, -39.0256, 175.769, 2007/04/05 06:40:34.5, 5, 1.515
2798743, -39.0342, 175.7742, 2007/09/24 23:27:10.8, 8, 1.517
2842123, -39.0506, 175.7317, 2007/12/26 10:33:22.9, 6, 1.525
2717090, -39.0345, 175.7145, 2007/03/29 03:38:12.4, 9, 1.795
2712064, -39.0188, 175.7564, 2007/03/18 18:59:49.2, 5, 2.035
2718780, -39.0182, 175.7755, 2007/04/01 19:18:02.4, 95, 2.682
2827052, -39.022, 175.7485, 2007/11/24 21:31:36.1, 12, 3.223

data by geonet. map by google maps. plots by highace using GPS Visualizer