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Earthquake · 20 Oct 2026

M4.8 earthquake — south of the Fiji Islands

Event
Earthquake
Magnitude
M4.8 (Light)
Severity
Moderate
Time
20 Oct 2026, 16:29 UTC (14 days ago)
Location
south of the Fiji Islands
Country
Open ocean / not assigned
Coordinates
-24.180°, -177.010°
Source
USGS Earthquake Hazards Program
M4.6 earthquake — south of the Fiji IslandsM5.0 earthquake — south of the Fiji IslandsM4.8 earthquake — 144 km SSW of ‘Ohonua, TongaM4.2 earthquake — south of the Fiji IslandsM4.5 earthquake — south of the Fiji IslandsM4.4 earthquake — south of the Fiji IslandsM4.9 earthquake — south of the Fiji IslandsM4.8 earthquake — south of the Fiji Islands
Location of this event (ringed) with other events within about 333 km. Approximate position.

What this means

This was a light earthquake of magnitude 4.8. Usually causes noticeable shaking and rattling of indoor objects, but significant damage is unlikely.

Magnitude measures the energy released at the source. How strongly the ground shook at any particular place depends on distance from the epicenter, the depth of the quake, local geology and building construction, so the same magnitude can be harmless in one place and damaging in another. First magnitudes are preliminary and are often revised by a few tenths as more stations report.

Other events within 300 km (±14 days)

  • M4.6 earthquake — south of the Fiji Islands — 3 km away, 28 Oct 2026, 12:58 UTC
  • M5.0 earthquake — south of the Fiji Islands — 281 km away, 27 Oct 2026, 15:31 UTC
  • M4.8 earthquake — 144 km SSW of ‘Ohonua, Tonga — 241 km away, 22 Oct 2026, 16:51 UTC
  • M4.2 earthquake — south of the Fiji Islands — 280 km away, 20 Oct 2026, 18:36 UTC
  • M4.3 earthquake — 213 km WSW of Houma, Tonga — 279 km away, 18 Oct 2026, 15:39 UTC
  • M4.5 earthquake — south of the Fiji Islands — 290 km away, 16 Oct 2026, 21:26 UTC
  • M4.4 earthquake — south of the Fiji Islands — 297 km away, 15 Oct 2026, 16:32 UTC
  • M4.9 earthquake — south of the Fiji Islands — 36 km away, 9 Oct 2026, 05:17 UTC

Smaller earthquakes close in time and space to a larger one are often aftershocks or foreshocks, though GlobalRisk does not classify them.

Source and attribution

Source: USGS Earthquake Hazards Program. View the original report ↗

GlobalRisk republishes only basic facts (type, time, location, magnitude or alert level) and links to the original report. Details may be revised by the source after this page was generated on 3 Nov 2026, 07:42 UTC.

Related guides

  • Earthquake Magnitude Explained: What M4, M6 and M7 Really Mean
  • Earthquake Safety: What to Do Before, During and After

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