M 6.9 earthquake 197 km WNW of Port-Olry, Vanuatu — 0231 UTC 24 Oct 2026
Event summary
A magnitude 6.9 earthquake struck ~197 km WNW of Port-Olry, Vanuatu at 0231 UTC on 24 Oct 2026. USGS and GDACS published event reports within hours; the retrieved sources do not include published casualty or damage assessments.
CHRONOS Wire · October 25 · Alert 1
Publication details
- Published
- Updated
- Revision
- r1
- Source
- USGS (NEIC)
Cliff Notes
- M 6.9 offshore Vanuatu at 0231 UTC 24 Oct 2026; USGS/GDACS reported the event. No casualty/damage assessments found in retrieved sources.
U.S. Impact
U.S. Impact assessment pending.
ELI5: Plain-English Explanation
A magnitude 6.9 earthquake occurred offshore of Vanuatu on 24 Oct 2026 at 0231 UTC, reported by GDACS and the USGS. At the time of these reports there were no authoritative, published casualty or damage assessments.
Why Urgent Level 3
The event was recent and of a magnitude that can produce local impacts and aftershocks; local authorities and responders should monitor for updates and local reports.
What Changed
A magnitude 6.9 earthquake occurred offshore of Vanuatu on 24 Oct 2026 (0231 UTC); authoritative agencies (USGS, GDACS) published event pages/reports within hours after the quake.
What Is Genuinely New
The seismic event (M 6.9, ~197 km WNW of Port-Olry) was reported by GDACS and published by USGS on 24 Oct 2026; this is a new event for CHRONOS.
CHRONOS Bottom Line
M 6.9 earthquake ~197 km WNW of Port-Olry, Vanuatu at 0231 UTC on 24 Oct 2026; event reported by USGS and GDACS. No authoritative casualty or damage assessments were published in the retrieved sources.
Uncertainties / Known Unknowns
Final magnitude/depth/station corrections may be updated by USGS; local damage, casualty, and tsunami observations were not provided in the retrieved sources and remain outstanding.
Detailed Analysis
GDACS reported a preliminary magnitude of 6.9 at 0231 UTC on 24 Oct 2026. The USGS event page lists the event as M 6.9 located ~197 km WNW of Port-Olry, Vanuatu. The retrieved sources report the occurrence and basic parameters but do not include casualty, damage, or tsunami impact assessments.
Sources / Evidence
- 01M 6.9 - 197 km WNW of Port-Olry, Vanuatu — USGS event pageUSGS (NEIC)2026-10-24
- 02GDACS report — M 6.9 Vanuatu 24 Oct 2026GDACS2026-10-24
- 03AP: Preliminary magnitude 6.9 earthquake hits off the coast of VanuatuAssociated Press2026-10-24
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