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Significant earthquake

This summarises a recorded earthquake only; it is not a warning or a prediction. Follow AFAD and the competent authorities for official statements and guidance.

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4.9

199 km NW of Port-Olry, Vanuatu

20 October 2026, 11:39:56 (+03) 2026-10-20 08:39:56 UTC

3 sources: EMSC, USGS, GFZ mb
Did you feel this earthquake?
Magnitude
4.9 mb
Depth
10.0 km
Coordinates
-13.9692, 165.5875
Data consistency
89/100

Regional activity (100 km)

Last 24 hours
1
Last 7 days
2
Last 30 days
106

Approximate energy released

≈ 338 t TNT

1.41e+12 J

Approximated with the Gutenberg–Richter relation (log E = 1.5 M + 4.8); depends on magnitude type. Gutenberg & Richter (1956).

Did you feel this earthquake?

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Community reports

Based on voluntary reports from users; not an instrumental measurement or official intensity. For official information follow AFAD and Kandilli Observatory announcements.

Impact information reported by sources

  • USGS Earthquake Hazards Program Tsunami flag: No

These values are automatic products of the respective agency, not an assessment by this platform. For tsunami warnings follow the Kandilli Observatory Regional Earthquake-Tsunami Monitoring Center and AFAD.

Nearby places

No records.

Nearby faults (50 km)

No mapped fault within 50 km.

Last year, within 100 km

106 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 0
  • M3 0
  • M4 50
  • M5 48
  • M6 7
  • M7 1
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 105
  • 20–40 km 1
  • 40–70 km 0
  • 70–150 km 0
  • 150+ km 0

Largest previous earthquakes within 100 km

Largest earthquakes in the platform catalogue and entries from historical catalogues (with citation).

Comparison with past records

…

No earlier earthquakes are recorded in this area.

  • Source:

Where does this earthquake come from?

Source comparison

Agency Magnitude Depth Time (UTC) Difference from master Original record
EMSC-CSEM
VANUATU
 4.9 mb 20.0 km 08:39:57.550 Δt 1.31 sn · 14.51 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
199 km NW of Port-Olry, Vanuatu
 4.9 mb 10.0 km 08:39:56.237 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
Vanuatu Islands
 4.8 mb 17.5 km 08:39:56.730 Δt 0.49 sn · 26.79 km · ΔM -0.1 Original record

This value summarises agreement between sources; it is not a measure of scientific accuracy. Euro-Mediterranean Seismological Centre (EMSC-CSEM) — CC BY 4.0 U.S. Geological Survey (USGS) Earthquake Hazards Program — Public domain (U.S. Government) GEOFON Program, GFZ Helmholtz Centre for Geosciences — CC BY 4.0

Revision history

  1. 20.10.2026 12:51:30 · EMSC · update

    depth: 17.5 → 20 latitude: -13.88 → -13.9333 longitude: 165.818 → 165.7167 time: 2026-10-20T08:39:56.730+00:00 → 2026-10-20T08:39:57.550+00:00

  2. 20.10.2026 12:13:24 · GFZ · update

    depth: 10 → 17.5 latitude: -13.877 → -13.88 longitude: 165.82 → 165.818 time: 2026-10-20T08:39:55.590+00:00 → 2026-10-20T08:39:56.730+00:00

  3. 20.10.2026 12:12:31 · EMSC · update

    depth: 10 → 17.5 latitude: -13.9692 → -13.88 longitude: 165.5875 → 165.818 time: 2026-10-20T08:39:56.237+00:00 → 2026-10-20T08:39:56.730+00:00

  4. 20.10.2026 12:12:00 · SISTEM · recompute

    source count: 2 → 3 review status: automatic → reviewed confirming sources: emsc,gfz → emsc,usgs,gfz preferred source: 3 → 4

  5. 20.10.2026 12:11:28 · EMSC · update

    latitude: -13.877 → -13.9692 longitude: 165.82 → 165.5875 magnitude: 4.8 → 4.9 time: 2026-10-20T08:39:55.590+00:00 → 2026-10-20T08:39:56.237+00:00

  6. 20.10.2026 12:11:28 · SISTEM · recompute

    latitude: -13.877 → -13.9692 longitude: 165.82 → 165.5875 magnitude: 4.8 → 4.9 time: 2026-10-20T08:39:55.590Z → 2026-10-20 08:39:56.237+00:00

  7. 20.10.2026 12:08:18 · SISTEM · recompute

    source count: 1 → 2 confirming sources: gfz → emsc,gfz preferred source: 5 → 3

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