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A dense column of white plume rose from the crater of the Rincón de la Vieja volcano on Friday, Oct. 16, 2026. Costa Rica's Volcanological and Seismological Observatory (OVSICORI-UNA) reported the…
The quickest way to learn where a volcano's lava came from is to walk up to it with a bucket of water. Geologists at the USGS Hawaiian Volcano Observatory did that in the middle of September 2026, at…
On the morning of June 17, 1996, Mount Ruapehu threw ash across the North Island of New Zealand and dropped it hundreds of kilometers downwind. Airports closed. The paper's account of that eruption's…
An international disaster-monitoring service, GDACS, raised its alert for the eruption at Kanlaon Volcano to Orange at 5:58 a.m. UTC on Oct. 12, 2026. The volcano is on Negros Island in the…
On April 10, 2023, Shiveluch blew up. The explosive eruption on Russia's Kamchatka Peninsula was about VEI 4 on the scale of eruption size, and the largest event at this volcanic center in six…
For most of two years, Kīlauea kept appointments. Pressure gathered in the shallow magma reservoir beneath Halemaʻumaʻu, the ground around the crater tilted, and within days or weeks lava rose from…
Midway up the southeastern flank of Mauna Loa, about where the forest gives out, a gulch called Hiʻonamoa cuts a two-meter face into the mountainside. None of it is lava. It is ash, bed on bed, some…
The physics of climate change runs on decades and centuries. Politics runs on the last hot summer. A new modeling study asks what happens when you wire the two together and let the short clock start…
A volcano rarely gives you six days' notice. Ruang, a 725-metre cone rising straight out of the sea in North Sulawesi, gave Indonesia's monitors almost exactly that in April 2024. This time, the…
Somewhere off the coast of Fogo, in the dark under two kilometres of Atlantic water, lies the wreckage of a mountain. Tens of thousands of years ago a whole flank of the volcano let go and slid onto…
When a fissure eruption begins on the Reykjanes Peninsula, it does not announce itself with a single mountain-top vent. The ground simply tears: a bright seam of fire opening across the lava field,…
Through the autumn of 2022, Ruapehu did everything a volcano does before it erupts — except erupt. Its summit crater lake, Te Wai a-moe, warmed through the year. Volcanic tremor climbed. Monitoring…