Earthquake · Vanuatu · Active
M6.3 earthquake near Port-Olry, Vanuatu
Updated · First published
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Summary
A magnitude 6.3 earthquake occurred 197 km NW of Port-Olry, Vanuatu on 20 Oct 2026, 04:20 UTC, at a depth of 16 km, according to the U.S. Geological Survey (USGS).
USGS PAGER issued a green alert for this earthquake, with an estimated 3,524 people exposed to shaking of intensity IV or stronger.
GDACS rated the event green.
One person submitted a “Did You Feel It?” report to the USGS.
The USGS record carries its tsunami flag, which marks a large event in an oceanic region. The flag is not a warning: tsunami warnings come from official tsunami warning centers.
Key figures
- Magnitude
- 6.3 (mww) (USGS)
- Depth
- 16 km (USGS)
- Origin time
- 20 Oct 2026, 04:20 UTC (USGS)
- Location
- 197 km NW of Port-Olry, Vanuatu (USGS)
- USGS PAGER alert
- Green (USGS PAGER)
- Max shaking (ShakeMap MMI)
- 4.1 (USGS)
- “Did You Feel It?” reports
- 1 (USGS DYFI)
- People exposed to MMI IV or stronger
- 3,524 (USGS PAGER)
- GDACS alert
- Green (GDACS)
- Tsunami flag
- Set on the USGS record (USGS)
- Review status
- Reviewed (USGS)
Population exposure (USGS PAGER)
- Vanuatu: 3,524 people at MMI IV or stronger
Timeline
Source times where the record has one; otherwise the time GodsView saw the change.
- — USGS reports a magnitude 6.3 earthquake 197 km NW of Port-Olry, Vanuatu, depth 16 km.
Other earthquakes in this sequence
- M5.2 earthquake near Sola, Vanuatu Earthquake · Vanuatu ·
Magnitude: 5.2 (mb) · Depth: 10 km - M5.3 earthquake near Port-Olry, Vanuatu Earthquake · Vanuatu · · active
Magnitude: 5.3 (mww) · Depth: 10 km - M5.4 earthquake near Port-Olry, Vanuatu Earthquake · Vanuatu · · active
Magnitude: 5.4 (mb) · Depth: 10 km - M5.2 earthquake near Port-Olry, Vanuatu Earthquake · Vanuatu · · active
Magnitude: 5.2 (mb) · Depth: 10 km - M5.4 earthquake near Port-Olry, Vanuatu Earthquake · Vanuatu · · active
Magnitude: 5.4 (mb) · Depth: 10 km - M5.7 earthquake near Port-Olry, Vanuatu Earthquake · Vanuatu · · active
Magnitude: 5.7 (mww) · Depth: 10 km - M5.7 earthquake near Port-Olry, Vanuatu Earthquake · Vanuatu · · active
Magnitude: 5.7 (mb) · Depth: 10 km - M5.0 earthquake near Port-Olry, Vanuatu Earthquake · Vanuatu · · active
Magnitude: 5.0 (mb) · Depth: 10 km - M5.2 earthquake near Port-Olry, Vanuatu Earthquake · Vanuatu · · active
Magnitude: 5.2 (mww) · Depth: 10 km
Questions
When did this earthquake happen?
The USGS origin time is 20 Oct 2026, 04:20 UTC.
How strong was the earthquake?
USGS reports magnitude 6.3 (mww) at 16 km depth.
What alert level did USGS PAGER give?
Green. PAGER levels estimate likely fatalities and economic losses from the shaking.
Was there a tsunami warning?
The USGS tsunami flag is set on this event. It is not itself a warning; check the official tsunami warning centers for your region.
Where can I find official information?
From the original records: USGS. Links are listed under Sources on this page.
Sources
How this page is made
GodsView compiles this page automatically from public data: the U.S. Geological Survey (USGS) earthquake feeds, the Global Disaster Alert and Coordination System (GDACS) and NASA EONET. News stories are matched to the event by place, event type and publication time, and link to the original publishers. Figures are shown as the sources report them and may be revised. For warnings and safety advice, follow your local authorities.