M6.6

USGS earthquake · M6.6195 km NW of Port-Olry

🇻🇺 - Vanuatu

· yesterday

Map centered on the earthquake at 195 km NW of Port-Olry, Vanuatu, with a marker at its epicenterOpen in Apple Maps ↗
Shaking intensity
  1. IV
  2. V
  3. VI
  4. VII

Strongest contour: Very strong (VII). Modelled by USGS ShakeMap; contours show where shaking was expected to reach each level, not damage.

Depth10.0 km
Origin timeOct 20, 2026, 4:20 AM UTC
Coordinates-13.869, 165.713
Tsunami flagNot reported
Magnitude scaleMi
Who felt it

People in the shaking

In the modelled area4,000
At light shaking or above4,000
  1. IVLight4,000
  2. IIIWeak32

Past earthquakes here. A magnitude 7.4 earthquake 395 km ne of this event struck UK on November 26, 1999 (UTC), with estimated population exposures of 32,000 at intensity VII and 5,000 at intensity VIII, resulting in a reported 10 fatalities.

Local buildings. Overall, the population in this region resides in structures that are highly vulnerable to earthquake shaking, though some resistant structures exist. The predominant vulnerable building types are unknown/miscellaneous types and wood construction.

Population and intensity modelled by USGS PAGER. Estimates, not a count of people affected.

Official source

U.S. Geological Survey

Terremoto preserves this event snapshot for a stable public link. USGS remains the authoritative source for revisions and scientific details. Shaking contours and population estimates come from USGS ShakeMap and PAGER, which revise them as more data arrives.

View the USGS record ↗