# Small undersea volcanoes may unleash outsized tsunamis

> **Newsylist Open Intelligence Dossier** · First detected: 2026-09-23 15:29 UTC · Category: Science · Sources: 4 · Current Velocity: 2

## Multi-Source Evidence Table
| Source Outlet | Headline | Published (UTC) | Verification URL |
|---|---|---|---|
| The Brighter Side of News | Hunga Tonga’s record-breaking eruption removed 900 metric tons of methane per day | 2026-09-23 11:15 | [Source Link](https://news.google.com/rss/articles/CBMiuwFBVV95cUxNVl9CMkxyVEJkTzRWTnNLVHJpM09IZkNDUGlZZEFLMUkwa3Z3LXpQandLRm9iMmFRQkhqYWYzY1RGc0VaeXpQakZnNlpjeUJpNl9xTlYxbkI1d25QQ0hhazJaRlFQaW82dkhYOHd2SWZ0cFI4WDF4eTh5S2IyOVE3dXZBVTZpd0xsYWstcElOTnZSRWRBbHVYNFYxd29lU0dKVFRWZ1BlTXhta0VFZVdHNDdhSkxoVjEzN3l3?oc=5) |
| Energies Media | Hunga Tonga's eruption accidentally "vacuumed up" methane from the sky in a way scientists had never witnessed before, and the culprit was a chemical chain reaction triggered by ash, seawater, and sunlight that tracked across an entire ocean for ten days | 2026-09-23 11:15 | [Source Link](https://news.google.com/rss/articles/CBMibkFVX3lxTE9Db0ZBTmRCSU85UjEzeXVLOWs1RnNJZldzVkZQNlpTSTlSLVpQNVpqS0Vhb01vZGhFajJSUXNrb0Fiek9JM2xObDdsdFVreFp1VGdPRE5xZHgybzJRWFdZbVJWdjVRSldBOThvbDZ3?oc=5) |
| Nature | Sudden collapse of submarine volcano drives extreme hazards | 2026-09-23 11:15 | [Source Link](https://news.google.com/rss/articles/CBMiX0FVX3lxTE84NGRfM1Q2MnlYSjk4aUZLN0FZSnhhZWRVNmJKRWhmb0J1U3d0bENiM1JGQW8yMUIwV2JTeWNsUkplUFdtWXlaZVJ3NUlhZU94YlUzbWkzU3hhVk9CUUI0?oc=5) |
| Ars Technica | Small undersea volcanoes may unleash outsized tsunamis | 2026-09-23 11:15 | [Source Link](https://news.google.com/rss/articles/CBMimwFBVV95cUxPMm0xMTlsSnR4RjRMc1I5NzVjeXFrZ2I3T25fa1o1Q2dubHRGX29KVDcxa1h1OHpoZkwwMTRYRUJQVTB6cFpqN2puM2RRMHdPaWhheFNXWDdYWnBqNEp5cTRnZ2tjSy1JRk5scTFzdjJqRnVFVThNbTJIWVB0X3BlSkhsWmlzb295T1ZUdzJ0NUpWZnRtVmE4bEJOQQ?oc=5) |

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*Canonical Source: https://www.newsylist.com/trend/2026-09-23/small-undersea-volcanoes-may-unleash-outsized-tsunamis*
*Synthesized by Newsylist Open Intelligence Engine under E-E-A-T journalistic standards.*