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Subject Volcanic watch for NZ volcanoes

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Original Message I am not trying to scream the sky is falling - this is an honest observation that perhaps others who know more, can help me with.

I have been checking on the NZ volcanoes since our Geonet advised us in May that it looked like Ruapehu was awakening. They have since said that all has calmed down i.e. lake temps cooling.

However, the extra things they check on i.e. lake temps wouldn't be very easy to do through winter so we haven't had any extra updates for the past 3/4 months.

I can only check on the drums and charts provided on the Geonet site.

For the past two days there has been evidence of some sort of explosion (obviously small) but it is not a usual thing you see on the drums.

Today, another sort of explosion and/or quake happened. So I think its time to have a thread that kiwis can come to and add their 2 cents as to what is going on.

Below is a link to todays drum showing some sort of action.

[link to www.geonet.org.nz]

This is a link to two examples that try and explain what these seismos are picking up. The above could be an explosion or a quake swarm.

This is an explosion example:
[link to www.geonet.org.nz]

This is a swarm example:

[link to www.geonet.org.nz]

On checking all other drums in the area there is no sign of a quake - which points me towards an explosion.

The other interesting thing. Is that both drums for Ruapehu and Tongariro show no wind noise disturbance, whilst Nguarahoe shows heavy disturbance. (For those are are not kiwis these three volcanoes stand in a row with Nguarahoe in the middle). I hope it is wind and not harmonic.

Pictures (click to insert)





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