Tongariro volcano (New Zealand): alert level lowered back to green

Sun, 23 Aug 2015, 11:05

11:05 AM | BY: T

On 19 August GeoNet reported that activity at Tongariro's Te Maari Craters had declined significantly since the eruption in 2012, with data suggesting that unrest associated with the eruption was over.
The Volcanic Alert Level was lowered to 0 (on a scale of 0-5). The Volcanic Alert Level for Ngauruhoe is separate and had been lowered to 0 on 20 April.

All news about: Tongariro volcano
Information about: Tongariro volcano

Previous news

Wed, 19 Aug 2015, 06:00

Tongariro volcano (North Island, New Zealand) - Smithsonian / USGS Weekly Volcanic Activity Report for 19 August-25 August 2015 (Continuing Activity)

On 19 August GeoNet reported that activity at Tongariro's Te Maari Craters had declined significantly since the eruption in 2012, with data suggesting that unrest associated with the eruption was over. The Volcanic Alert Level was lowered to 0 (on a scale of 0-5). The Volcanic Alert Level for Ngauruhoe is separate and had been lowered to 0 on 20 April. ... Read all

Wed, 15 Apr 2015, 06:00

Tongariro volcano (North Island, New Zealand) - Smithsonian / USGS Weekly Volcanic Activity Report for 15 April-21 April 2015 (New Activity / Unrest)

On 20 April GeoNet reported that it had been three weeks since anomalous seismicity at Tongariro's Ngauruhoe cone had been detected. In addition, no anomalous ground temperatures or unusual levels of gas emissions were detected at the summit during fieldwork, indicating that the minor unrest had ceased. The Volcanic Alert Level was lowered to 0 (on a scale of 0-5). ... Read all

Wed, 18 Mar 2015, 06:00

Tongariro volcano (North Island, New Zealand) - Smithsonian / USGS Weekly Volcanic Activity Report for 18 March-24 March 2015 (New Activity / Unrest)

On 23 March GeoNet reported that during the previous two to three weeks an increase in the number and magnitude of earthquakes at Tongariro was detected by the seismographs around Ngauruhoe. The earthquakes were shallow, with depths less than 5 km. The report noted that although earthquakes are not unusual near Ngauruhoe, it had been some time since significant numbers or events above M 1 were recorded. ... Read all

Tue, 6 Aug 2013, 07:27

Tongariro volcano (New Zealand): small earthquakes

Current seismic recording from Tongariro (GeoNet)

During the past two weeks, GeoNet has been recording very small earthquakes beneath the volcano. The quakes were too small to be located but show up on local seismic stations. ... Read all

Wed, 27 Mar 2013, 06:00

Tongariro volcano (North Island, New Zealand) - Smithsonian / USGS Weekly Volcanic Activity Report for 27 March-2 April 2013 (Continuing Activity)

On 25 March GeoNet reported that Tongariro remained quiet with no eruptive activity being detected since the explosion on 21 November 2012. Steam-and-gas plumes rose from the Te Maari Craters. The Aviation Colour Code was lowered to Green (second lowest on a 4 four-color scale) and the Volcanic Alert Level remained at 1 (on a scale of 0-5). ... Read all

Tue, 19 Feb 2013, 17:05

Tongariro volcano (North Island, New Zealand) activity update

Current seismic signal at Tongariro (WT station, GeoNet)

An increased number of earthquakes and possibly a weak tremor pulses appear on today's seismic recording. ... Read all

Tongariro volcano (New Zealand): alert level lowered back to green

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