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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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4.7

202 km WNW of Port-Olry, Vanuatu

21 October 2026, 21:40:31 (+03) 2026-10-21 18:40:31 UTC

3 sources: EMSC, USGS, GFZ mb
Did you feel this earthquake?
Magnitude
4.7 mb
Depth
10.0 km
Coordinates
-14.1592, 165.4310
Data consistency
91/100

Regional activity (100 km)

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

Approximate energy released

≈ 169 t TNT

7.08e+11 J

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

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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

Sources report different values.
Agency Magnitude Depth Time (UTC) Difference from master Original record
EMSC-CSEM
VANUATU
 5.0 mb 10.0 km 18:41:04.890 Δt 33.04 sn · 17.4 km · ΔM +0.3 Original record
USGS Earthquake Hazards Program Displayed
202 km WNW of Port-Olry, Vanuatu
 4.7 mb 10.0 km 18:40:31.851 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
Vanuatu Islands
 5.0 mb 10.0 km 18:41:05.500 Δt 33.65 sn · 15.77 km · ΔM +0.3 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. 23.10.2026 17:23:47 · EMSC · update

    latitude: -14.0877 → -14.0835 longitude: 165.5686 → 165.5723 time: 2026-10-21T18:41:04.910+00:00 → 2026-10-21T18:41:04.890+00:00

  2. 22.10.2026 09:32:06 · EMSC · update

    latitude: -14.1796 → -14.0877 longitude: 165.4616 → 165.5686 time: 2026-10-21T18:41:04.974+00:00 → 2026-10-21T18:41:04.910+00:00

  3. 22.10.2026 00:23:44 · EMSC · update

    latitude: -14.1592 → -14.1796 longitude: 165.431 → 165.4616 magnitude: 4.7 → 5 time: 2026-10-21T18:40:31.851+00:00 → 2026-10-21T18:41:04.974+00:00

  4. 21.10.2026 23:27:09 · SISTEM · recompute

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

  5. 21.10.2026 23:27:06 · EMSC · update

    depth: 35 → 10 latitude: -14.246 → -14.1592 longitude: 165.377 → 165.431 magnitude: 5 → 4.7 time: 2026-10-21T18:41:10.320+00:00 → 2026-10-21T18:40:31.851+00:00 magnitude type: m → mb

  6. 21.10.2026 23:27:06 · SISTEM · recompute

    depth: 35 → 10 latitude: -14.246 → -14.1592 longitude: 165.377 → 165.431 magnitude: 5 → 4.7 time: 2026-10-21T18:41:10.320Z → 2026-10-21 18:40:31.851+00:00 magnitude type: m → mb

  7. 21.10.2026 21:55:48 · SISTEM · recompute

    depth: 10 → 35 latitude: -14.122 → -14.246 longitude: 165.572 → 165.377 time: 2026-10-21T18:41:05.500Z → 2026-10-21 18:41:10.320+00:00 source count: 1 → 2 magnitude type: mb → m confirming sources: gfz → emsc,gfz preferred source: 5 → 3

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