Aotearoa Earthquake and Volcano Forecast Service

Aotearoa Summary. 9 July 2017 - 11 July 2017

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Magnitude 4 risk areas are Northwest Arm Te Anau, Cascade River, Culverden, Cheviot, Kaikoura, Seaward Kaikouras, Ward, Cape Campbell, East of Tory Channel, Mana Island, Central Taranaki Bight, Atiwhakatu Stream, Eketahuna, Dannevirke, Waipukurau, Porangahau, Wairoa, East Cape, Opotiki, Rotorua, Tokoroa.
Volcanoes quiet.

Update. 9 July 1.00pm
Central Taranaki Bight 3.8 3.38am
Northeast of East Cape 3.8 6.32am
South of Taranaki, Northeast of Opotiki are added to Mag 4 risk areas.
Solar quake driving conditions are here on cue.
The period is likely to be extended.

Update. 9 July 11.00pm
The forecast period is extended to 10 July.
Doubtful Sound, Breaksea Sound are added to Mag 4 risk areas.
Taranaki Bight is higher risk.
Solar quake driving conditions are strong tonight, quakes seem likely.

Update. 10 July 12.00pm
10 July.
Whitemans Valley 4.1 6.56am
Orongorongo Valley, South of Wellington are added to Mag 5 risk areas.
The Whitemans Valley 4.1 was felt strongly in Wellington and Wairarapa.
Solar quake driving conditions are strong and fluctuating today.
More quakes seem possible.
The forecast period is likely to be extended.
Southwest Pacific including Kermadec Islands, South of Kermadecs are under pressure.

Update. 11 July 12.00am
The forecast period is extended to 11 July.
Local quakes fell away after the Whitemans Valley 4.1.
Solar conditions are steadily weakening.
Quakes seem likely to be infrequent but high magnitude is possible.

Summary.
9 July.
Central Taranaki Bight 3.8 3.38am
Northeast of East Cape 3.8 6.32am
10 July.
Whitemans Valley 4.1 6.56am
11 July.
Kekerengu 3.9 1.45am
Northwest of Auckland Island 6.6 7.00pm
Big action south of New Zealand and other forecast areas on 11 July.
Quakes were infrequent, big magnitudes.
A new forecast map is posted for 12 July.