Ring of Fire was due. In 2000, the ERLAWS system was installed on the mountain to detect such a collapse and alert the relevant authorities. The Auckland volcanic field on the North Island of New Zealand has produced a diverse array of explosive craters, scoria cones, and lava flows. Currently dormant, the field is likely to erupt again with the next "hundreds to thousands of years", a very short timeframe in geologic terms. The field contains at least 40 volcanoes, most recently active about 600 years ago at Rangitoto Island, erupting 2.3 km of lava. The Pacific Ring of Fire is completed in
Ring of Fire (Northern Ontario) that will spin-off jobs and economic activity for generations". In May 2012, Cliffs Natural Resources announced its intention of investing $3.3-billion in Northern Ontario's Ring of Fire region, which would include a chromite mine, a transportation corridor and a smelter in Sudbury, Ontario. Cliffs initially invested $550-million to acquire and begin development. By 2013, Cliffs had suspended the project "after numerous delays and difficult discussions with the province [of Ontario] and the First Nations communities". Cliffs sold its assets to the smaller Canadian company, Noront Resources Ltd. for USD20 million. In February 2013, KWG Resources, a Toronto-based junior miner, released