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As of 9:00am this morning, 922 earthquakes have been recorded in the swarm that began in Kawerau on Saturday. Of those, seven were magnitude (M) 4+ with the last of those a M4.2 occurring at 4:48am on Tuesday.

3 days ago

Since the earthquake swarm in Kawerau began in the early hours of Saturday 18 March, we have located over 600 earthquakes including eight earthquakes over magnitude (M) 4. Many of these have caused felt shaking in the area, and many more won’t have been noticeable to humans – just to our seismic monitoring equipment! The largest to date has been M4.8 and the majority have been between M2.0 and M2.9.

Recent observation and gas flights confirm that active vents are continuing to emit a significant steam and gas plume. The Volcanic Alert Level remains at 2.

If you happen to see an earthquake on our app or website that has ‘deleted’ next to it, rest assured it wasn’t an actual earthquake – only the ghost of one! But what does that mean? We look into that below.

Minor volcanic unrest continues at Taupō Volcano after an M4.4 earthquake beneath the lake on 5 March. The Volcanic Alert Level remains at 1 (minor volcanic unrest).

We recently completed critical maintenance on vital monitoring stations on a visit to Raoul Island.

As the North Island reels from the effects of Cyclone Gabrielle, more rain is forecast. We take a look at the impacts continued rainfall might have on damaged ground.

We have recently released new web page resources for landslide and volcano environmental monitoring and work on landslides at Fox Glacier Valley in Westland.

Landslides are a national hazard, responsible for taking lives and costing New Zealand around $300M a year. Our experts provide advice to New Zealanders about how they can stay safe during extreme weather events, and how the public can help.

Following the extensive flooding and landslides around Auckland, Waikato, and Bay of Plenty at the end of January, our landslide event response team have been working with councils and reporting the most significant impacts.