A fourth, recorded at 7.25pm, was classified as light intensity and recorded as a 2.8 magnitude and 9km deep.
The earthquakes have carried on into the evening. The largest was another 2.8 at 7.56pm.
Another six ranged in intensity from 1.8 to 2.4.
The latest was at 9.06pm.
All have been centred within 5km of Rotorua, with a couple centred 5km east of Rotorua.
Geonet tweeted tonight that swarms like this were common in the area. The link in the tweet is to an August 2013 article.
If you are watching our website you may have noticed Rotorua is having another wee swarm. This is common in the area http://t.co/Vge0pL8shq
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