Thursday, October 05, 2006

Cluster of earthquakes near Mt Cook

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Death from above
Posted by Ninja T. Penguin
Posted by Ninja T. Penguin
(Radio NZ) from New Zealand.

A shallow cluster of earthquakes 30km north-west of Mt Cook this week has seismologists looking at what may be causing the activity.

The biggest quake was on Monday, reaching 4.7 on the Richter scale; with successive earthquakes being smaller, but closer to the surface.

GMS Science seismologist Todd Nicholson says it's unusual to have so much seismic activity around Mt Cook.

Eight earthquakes were recorded on Monday, and one or two quakes each day since then.

The deepest quake was 8km on Monday, with 5km depths recorded on the same day and on Wednesday.


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