Aotearoa Summary. 21 May 2017 - 23 May 2017
Magnitude 4 risk areas are Breaksea Sound, Doubtful Sound, Lake Te Anau, Lower Arawhata River, Upper Hokitika River, Methven, Rolleston, Culverden, Cheviot, Kaikoura, Seaward Kaikouras, Ward, Seddon, Cape Campbell, Tapawera, Southwest of Wellington, Wellington, Eketahuna, Dannevirke, Waipukurau, Opotiki, East Cape, Northeast of East Cape. Possible minor steam eruption White Island. The forecast period is likely to be extended. Update. 21 May 10.30pm 21 May. Breaksea Sound 3.9 5.26am Greendale 2.0 6.40am Cheviot 3.8 7.37am Breaksea Sound 4.0 12.01pm Rolleston 2.5 3.07pm Northwest of Mt Hutt 1.9 7.17pm The forecast period is extended to 22 May. Good location success in Fiordland and Canterbury. Canterbury Plains quakes were small, a little swarm in an increasingly quiet zone...the 4 September 2010 Darfield 7.1 is slowly moving on. Solar quake driving conditions were steady today and seem likely to create more quakes on 22 May. Update. 23 May 1.30am 22 May. South of Kermadecs 4.5 8.26am Rolleston 2.8 11.54am New Brighton 2.8 12.14pm Kaikoura/ Ohau Point 4.6 2.10pm Lake Te Anau 3.7 4.20pm The forecast period is extended to 23 May. South Taranaki is added to Mag 4 risk areas. The Canterbury Plains mini swarm continued on 23 May. The Ohau Point 4.6 must have been a major worry for the workers trying to get the road open. Solar quake driving conditions are only moderate but very steady. A slow buildup may be underway. Quakes are likely to be infrequent on 23 May but an isolated Mag 4 quake is possible. An eruption at White Island now seems very unlikely. The period is likely to be extended. More info at Facebook/Roary Arbon. Summary. 21 May. Breaksea Sound 3.9 5.26am Greendale 2.0 6.40am Cheviot 3.8 7.37am Breaksea Sound 4.0 12.01pm Rolleston 2.5 3.07pm Northwest of Mt Hutt 1.9 7.17pm 22 May. South of Kermadecs 4.5 8.26am Rolleston 2.8 11.54am New Brighton 2.8 12.14pm Kaikoura/ Ohau Point 4.6 2.10pm Lake Te Anau 3.7 4.20pm 23 May. North of Darfield 3.4 6.20am Northwest of Auckland Island 4.9 8.32am Northwest of Auckland Island 5.0 8.33am Northwest Arm Te Anau 3.9 3.10pm South of Kermadecs 5.1 4.58pm West of Stewart Island 4.0 7.02pm Canterbury Plains rumbled slightly through the period. Many South Island locations have been affected. Quake action both north and south of New Zealand on 23 May could bring more quakes to New Zealand in the following days. Lunar influence will become strong next few days in addition to steady solar influence. More info at Facebook/Roary Arbon.
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