Based on observations from last week, including webcam, gas flight and satellite imagery, no further explosive activity has been recorded at Whakaari/White Island. The Volcanic Alert Level is lowered to 2 and the Aviation Colour Code to Yellow.
Last week as a powerful weather front swept across the upper North Island, our 24/7 eyes-on team at the National Geohazards Monitoring Centre noticed something unusual. Tsunami gauges along the East Coast and even in Lake Taupo started showing strange signals. With no earthquake to blame, they alerted our tsunami experts panel who quickly pieced together the puzzle: these readings were likely the signature of a small meteotsunami, triggered by the intense weather.
Minor volcanic activity continues at Whakaari/White Island characterised by weakly loaded ash and gas plumes that are dispersed downwind. Volcanic Alert Level remains at 3 and Aviation Colour Code remains Orange.
Minor eruptive activity continues at Whakaari/White Island today. At about 11:30 NZDT this morning, a steam and gas plume rose to about 3 km above sea level and was visible from the Bay of Plenty coast. Webcam and satellite observations show that the volcanic ash content was minor, and the likelihood of volcanic ash reaching the mainland is very low. There is no risk of tsunami to the coast from such events. The Volcanic Alert Level remains at 3 and the Aviation Colour Code remains Orange.
Intermittent ash emission from the active vent at Whakaari/White Island has continued since the two small, low energy eruptions on 30 October. Ash emissions have been low level, and are unlikely to reach the mainland. The Volcanic Alert Level remains at Level 3 and the Aviation Colour Code remains Orange.
An observation flight yesterday afternoon has confirmed minor ash emissions are occurring at Whakaari/White Island but are unlikely to have reached the mainland. Two small, low energy eruptions occurred on 30 October. The Volcanic Alert Level remains at Level 3 and the Aviation Colour Code remains Orange.
Based on webcam observations we observed two distinct eruptions yesterday (30th October) at 12:30 pm and again at 6:40 pm. No further eruption has been observed since. The Volcanic Alert Level remains at level 3 and the Aviation Colour Code remains Orange.
Based on webcam observations an eruption has possibly occurred at around 12:30 pm today. The Volcanic Alert Level increased to level 3 and the Aviation Colour Code raised to Orange.
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After a short period of heating, Te Wai ā-moe (Ruapehu Crater Lake) is now cooling. The lake temperature peaked at 17 °C in late-August and has been cooling since. The lake temperature is now 13 °C. The Volcanic Alert Level remains at 1 and the Aviation Colour Code at Green.