Small undersea volcanoes may unleash outsized tsunamis
A big drop Small undersea volcanoes may unleash outsized tsunamis Post-eruption imaging of the Hunga caldera gives new details of its collapse. Yook Ji Hun – Sep 23, 2026 7:15 am | 1 The Hunga volcano during a 2009 eruption. Credit: TELUSA FOTU The Hunga volcano during a 2009 eruption.
- ▪A big drop Small undersea volcanoes may unleash outsized tsunamis Post-eruption imaging of the Hunga caldera gives new details of its collapse.
- ▪Yook Ji Hun – Sep 23, 2026 7:15 am | 1 The Hunga volcano during a 2009 eruption.
- ▪Credit: TELUSA FOTU The Hunga volcano during a 2009 eruption.
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| Original publisher | Ars Technica |
| Canonical URL | https://arstechnica.com/science/2026/09/small-undersea-volcanoes-may-unleash-outsized-tsunamis/ |
| Publication time | Wed, 23 Sep 2026 11:15:30 +0000 |
| Retrieval time | 2026-09-23T12:04:30.442Z |
| Last seen | 2026-09-23T12:04:30.442Z |
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Opening excerpt (first ~120 words) tap to expand
A big drop Small undersea volcanoes may unleash outsized tsunamis Post-eruption imaging of the Hunga caldera gives new details of its collapse. Yook Ji Hun – Sep 23, 2026 7:15 am | 1 The Hunga volcano during a 2009 eruption. Credit: TELUSA FOTU The Hunga volcano during a 2009 eruption. Credit: TELUSA FOTU Text settings Story text Size Small Standard Large Width * Standard Wide Links Standard Orange * Subscribers only Learn more Minimize to nav Krakatau, a volcanic island in Indonesia, killed more than 30,000 people when it erupted in 1883. One might assume that volcanic debris posed the major threat, yet many of the victims died from a tsunami caused by the volcanic eruption instead.
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