Three Sizable South Island Quakes, Swarm At Matata, All Shallow.

Three sizable earthquakes have occurred in the region of New Zealand’s South Island in the last few hours, broadly in line with Ken Ring’s prediction that the next quakes larger than magnitude 4 will occur at the end of August.

Two very shallow quakes of  4.7 and 4.0 and were located near Christchurch this afternoon. An earlier magnitude 5.0 at 11.36 last night was located north of Macquarie Island at a depth of 9.9km. See second map below

Ken Ring is also predicting seismic events in the last week of September, caused by conditions similar to those which prevailed at the time of last September’s 7.1 Canterbury earthquake:

“…Basically we need mostly to be the most cautious around the last week of September, associated with equinox and new moon in powerful perigee rising due east, adding to gravitational pull. It is the same 3-way lunar set-up as for last September’s quake. The last week in September is the period immediately following equinox (22nd) and stress will have built up that needs release. Around the end of September the very close new moon (as also happened 4 September) is potent, together with planetary combinations that include the next Mercury-Sun-Earth alignment that also occurred on 22 Feb and 13 June. The likelihood is great for seismic events around the globe. “

There has also been a small swarm of earthquakes near Matata in the North Island, which started with a magnitude 4.4 at 7.11 yesterday morning, at depth of 3 km (Tuesday 30 August) See first map below

4.4 earthquake at Matata

location of 5.0 quake off the South Island

Details from Geonet.org.nz

From USGS earthquake hazards programme

Magnitude 5.0
Date-Time
Location 49.772°S, 161.195°E
Depth 9.8 km (6.1 miles)
Region NORTH OF MACQUARIE ISLAND
Distances 367 km (228 miles) WNW of Auckland Island, New Zealand
561 km (348 miles) NNE of Macquarie Island, Australia
1307 km (812 miles) SE of HOBART, Tasmania, Australia
1415 km (879 miles) SW of WELLINGTON, New Zealand
Location Uncertainty horizontal +/- 22.2 km (13.8 miles); depth +/- 5.6 km (3.5 miles)
Parameters NST= 64, Nph= 64, Dmin=573.3 km, Rmss=1.28 sec, Gp= 79°,
M-type=body wave magnitude (Mb), Version=3
Source
  • Magnitude: USGS NEIC (WDCS-D)
    Location: USGS NEIC (WDCS-D)
Event ID usc0005ln2