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1968-1974 Mt. Tihia/Tokaanu quakes

From 1968 to 1974 there were 19 earthquakes in the Mt.Tihia/Tokaanu area.
The largest quake was a 5.3ML on the 30th January 1968 in between the NE base of Mt. Tihia and Maunganamu Cone south of Tokaanu.
The next largest , and deepest quake was a 4.309ML on April 5th 1972 located on the southern flank of Mt. Tihia at 109km deep.
The only significant swarm during the 6 year period was a 8 event swarm in 1970 on the 6th and 7th October.
 Mt. Tihia/Tokanaau quakes 1968-1974 by location and year

REF, LAT, LONG, TIME, DEPTH, MAG
1549977, -38.98, 175.77, 1968/01/30 05:38:54.2, 12, 5.3
1549978, -38.99, 175.75, 1968/01/30 05:42:17.3, 12, 3.5
1550009, -38.95, 175.75999, 1968/02/18 15:05:22.0, 12, 3.538


The 1970 swarm of October 6th and 7th was widespread across the area but all within 6-7km of the center point of Mt. Tihia summit.
* same location
1553148, -39.02, 175.67999, 1970/10/06 00:55:33.2, 12, 3.45
1553149, -38.98, 175.69, 1970/10/06 02:42:26.3, 12, 3.75 *
1553153, -39, 175.7, 1970/10/06 03:38:42.7, 12, 3.5
1553155, -38.95, 175.77, 1970/10/06 09:11:00.2, 12, 3.43
1553157, -38.98, 175.69, 1970/10/06 15:56:53.2, 12, 3.963 *
1553158, -39.01, 175.75, 1970/10/06 16:01:18.4, 12, 3.742
1553162, -38.95, 175.67, 1970/10/07 00:12:02.1, 12, 3.46
1553168, -38.98, 175.71001, 1970/10/07 16:03:17.3, 12, 3.738

 Mt. Tihia/Tokanaau quakes 1970 by magnitude

Other quakes 1971 to 1974;
REF, LAT, LONG, TIME, DEPTH, MAG
1553414, -38.96, 175.73, 1971/02/10 06:12:56.6, 12, 3.711
1553418, -39.02, 175.78999, 1971/02/10 22:22:16.2, 12, 3.65
1553850, -39.02, 175.66, 1971/09/18 21:26:37.9, 12, 3.5
1554206, -39.01, 175.7, 1972/04/05 18:29:18.9, 109, 4.309
1554636, -38.95, 175.67, 1972/12/02 15:43:05.4, 12, 3.627
1554644, -38.95, 175.74001, 1972/12/07 22:52:55.3, 12, 3.125
1555487, -38.97, 175.67999, 1974/01/27 18:06:40.0, 12, 3.979
1555488, -39.02, 175.77, 1974/01/27 21:57:03.5, 12, 3.985


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

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