Tagged: natural disasters

The St Vincent eruption is a reminder of how volcano research and monitoring can save lives - News

Guest Author Apr 23, 2021

Silvio De Angelis, University of Liverpool and Janine Kavanagh, University of Liverpool Volcanic eruptions come with a variety of hazards, depending on the type of volcano and its magma. Some have effusive eruptions, where lava flows constantly, while others can expel large clouds of fragments of magma and gases – volcanic ash – into the atmosphere. For some of the … Read More

New cyclone forecasts: why impacts should be the focus of hazardous weather warnings - Guest Work

Guest Author Nov 11, 2020

Sally Potter, GNS Science November 12 marks the 50th anniversary of Cyclone Bhola, the deadliest weather event on modern record. When this storm made landfall over Bangladesh, it coincided with a lunar high tide. The subsequent storm surge killed at least 300,000 people. This month also marks the start of the cyclone season in the Pacific. The outlook … Read More

The Nelson bush fire: What can satellite images tell us about such events? - Out of Space

Duncan Steel Feb 12, 2019

[avatar user=”duncansteel” size=”thumbnail” align=”right” /] The ongoing fires in the Nelson-Tasman region have quite rightly provoked much alarm. The response of Fire and Emergency New Zealand, the NZ Police, the NZ Defence Force, and many private individuals, has been magnificent. However, the utilisation of satellite imagery for assessing such fires and then planning and responding is deficient in NZ compared … Read More

Satellite imagery of the Nelson bush fire - Out of Space

Duncan Steel Feb 09, 2019

[avatar user=”duncansteel” size=”thumbnail” align=”right” /] The area burnt in the ongoing bush fire in the Nelson-Tasman region, largely around Pigeon Valley near Wakefield, can easily be seen in satellite imagery collected in recent days.  Earth observation satellites frequently cross New Zealand and, clouds allowing, collect imagery of the land and sea below. In later posts I will discuss such data … Read More