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M 4.9 earthquake – 187 km NW of Port-Olry, Vanuatu

·
Local time: Oct 21, 2026 · 07:03 (UTC+11)

LightShallow · 10 km Reviewed by a seismologist
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Magnitude
4.9body-wave magnitude (mb)
Depth
10 kmShallow earthquake
Epicenter
-14.048, 165.660499 km from Port-Vila
Energy released
338 tons of TNTless than one Hiroshima bomb
Felt reports
—"Did You Feel It?" responses
Shaking intensity
—not estimated
Aftershocks
47M2.5+ within 30 km, up to 60 days
Significance
369USGS score, 0–1,000+
Not rare around here

An earthquake at least as strong struck within 300 km on Oct 20, 2026.

How strong was it?

Light earthquake. It released 338 tons of TNT, 1.4 times less than a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.

Chile 1960 M 9.5
Japan 2011 M 9.1
San Francisco 1906 M 7.9
Turkey 2023 M 7.8
Haiti 2010 M 7.0
Northridge 1994 M 6.7
This earthquake M 4.9

Aftershocks

47 earthquakes of M2.5+ within 30 km in the 60 days after.

The strongest earthquakes within 300 km

Since 1900, around Vanuatu.

In the week before

Earthquakes within 30 km in the 7 days before this one: possible foreshocks.