Editor's note

Australians and New Zealanders alike were in shock yesterday afternoon after news of a sudden volcanic eruption on White Island, off the New Zealand coast. Five people have been confirmed dead and eight more are unaccounted for, with police not expecting to find any more survivors. Prime Minister Jacinda Ardern is heading to the site and said police and emergency agencies are doing all they can.

But why did this happen, and without warning? As University of Auckland volcanologist Shane Cronin explains, the event was triggered when super-heated water trapped in rocks was released into a steam-driven eruption, at supersonic speed. This can cause catastrophic impacts, and there’s no sure way to see it coming.

Veronika Meduna

New Zealand Editor

Top stories

The sudden eruption at White Island was short-lived but produced an ash plume that rose several kilometres above the vent. GNZ Science

Why White Island erupted and why there was no warning

Shane Cronin, University of Auckland

Five people have died and several remain unaccounted for after a sudden volcanic eruption on Whakaari/White Island off the east coast of New Zealand.

AAP (various)/The Conversation

2019 was a year of global unrest, spurred by anger at rising inequality – and 2020 is likely to be worse

Tony Walker, La Trobe University

Around the world, frustrations about growing inequality and inadequate responses to climate change are fuelling protests – and these are likely to grow bigger and more violent in the next year.

The World Trade Organization will be defanged but not dead. It’s in Australia’s interest to keep it alive. Shutterstock

Key trade rules will become unenforceable from midnight. Australia should be worried

Lisa Toohey, University of Newcastle; Markus Wagner, University of Wollongong

The World Trade Organization will lose its teeth from midnight. We are entering a world with unenforceable rules.

Rates of resistance to the bacteria commonly known as golden staph are at least double in remote Indigenous communities what they are in Australia’s major cities. Lucy Hughes Jones/AAP

Antibiotic resistance is an even greater challenge in remote Indigenous communities

Asha Bowen, Telethon Kids Institute; Steven Tong, The Peter Doherty Institute for Infection and Immunity

Antibiotic resistance is one of the greatest health challenges of the modern day. It's especially prevalent, and must be acted on, in Australia's remote Indigenous communities.

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