New Zealand's deepest earthquake detector has been installed in West Auckland in a bid to boost an eruption warning system for the region, Radio New Zealand reported on Monday.
GNS Science has installed the device at the bottom of a 250 meter deep disused borehole at River head.
GAS volcano network coordinator Craig Miller said the detector is five times deeper than any other.
It will provide better data because it will not falsely record readings from the rumble of traffic or industry, he said, adding that earthquakes often signal volcanic activity as magma forces its way up through the earth's crust.
He said the equipment will allow scientists to measure and record much smaller earthquakes and give people in the Auckland region warning of possible eruption ranging from a few days to a few weeks.
The recording device is one in a network of six instruments in place around the Auckland region, capable of detecting early signs of volcanic unrest in the Auckland volcanic field.
Source: Xinhua
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