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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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5.9

Bouvet Island region

24 October 2026, 18:24:19 (+03) 2026-10-24 15:24:19 UTC

3 sources: EMSC, USGS, GFZ mwb
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Magnitude
5.9 mwb
Depth
10.0 km
Coordinates
-54.0337, 7.0440
Data consistency
97/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
0
Last 30 days
1

Approximate energy released

≈ 11 kt TNT

4.47e+13 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 Maximum intensity (MMI): 0,0 PAGER: green ShakeMap

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

1 earthquakes

By magnitude

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

By depth

  • 0–10 km 0
  • 10–20 km 1
  • 20–40 km 0
  • 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).

No records.

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
BOUVET ISLAND REGION
 5.8 mw 9.9 km 15:24:19.980 Δt 0.62 sn · 5.28 km · ΔM -0.1 Original record
USGS Earthquake Hazards Program Displayed
Bouvet Island region
 5.9 mwb 10.0 km 15:24:19.358 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
Bouvet Island Region
 6.1 Mw 10.0 km 15:24:20.790 Δt 1.43 sn · 7.24 km · ΔM +0.2 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. 28.10.2026 20:27:37 · USGS · update

    depth: 12.49 → 10 latitude: -54.0304 → -54.0337 longitude: 7.0149 → 7.044 magnitude: 5.8 → 5.9 time: 2026-10-24T15:24:19.882+00:00 → 2026-10-24T15:24:19.358+00:00 magnitude type: mb → mwb

  2. 28.10.2026 20:27:37 · SISTEM · recompute

    depth: 12.49 → 10 latitude: -54.0304 → -54.0337 longitude: 7.0149 → 7.044 magnitude: 5.8 → 5.9 time: 2026-10-24T15:24:19.882Z → 2026-10-24 15:24:19.358+00:00 magnitude type: mb → mwb

  3. 24.10.2026 20:03:14 · EMSC · update

    depth: 12.5 → 9.9 latitude: -54.0304 → -54.0686 longitude: 7.0149 → 6.9895 time: 2026-10-24T15:24:19.882+00:00 → 2026-10-24T15:24:19.980+00:00 magnitude type: mb → mw

  4. 24.10.2026 19:08:16 · GFZ · update

    magnitude: 5.9 → 6.1 magnitude type: mb → Mw

  5. 24.10.2026 18:44:17 · SISTEM · recompute

    depth: 12.5 → 12.49 source count: 2 → 3 review status: automatic → reviewed confirming sources: emsc,gfz → emsc,usgs,gfz preferred source: 3 → 4

  6. 24.10.2026 18:44:15 · EMSC · update

    depth: 10 → 12.5 latitude: -54.0744 → -54.0304 longitude: 6.8639 → 7.0149 magnitude: 5.9 → 5.8 time: 2026-10-24T15:24:20.740+00:00 → 2026-10-24T15:24:19.882+00:00

  7. 24.10.2026 18:44:15 · SISTEM · recompute

    depth: 10 → 12.5 latitude: -54.0744 → -54.0304 longitude: 6.8639 → 7.0149 magnitude: 5.9 → 5.8 time: 2026-10-24T15:24:20.740Z → 2026-10-24 15:24:19.882+00:00

  8. 24.10.2026 18:42:05 · EMSC · update

    latitude: -54.0298 → -54.0744 longitude: 6.8628 → 6.8639 time: 2026-10-24T15:24:20.610+00:00 → 2026-10-24T15:24:20.740+00:00

  9. 24.10.2026 18:42:05 · SISTEM · recompute

    latitude: -54.0298 → -54.0744 longitude: 6.8628 → 6.8639 time: 2026-10-24T15:24:20.610Z → 2026-10-24 15:24:20.740+00:00

  10. 24.10.2026 18:37:50 · EMSC · update

    latitude: -54.0252 → -54.0298 longitude: 6.9227 → 6.8628 time: 2026-10-24T15:24:20.340+00:00 → 2026-10-24T15:24:20.610+00:00

  11. 24.10.2026 18:37:50 · SISTEM · recompute

    latitude: -54.0252 → -54.0298 longitude: 6.9227 → 6.8628 time: 2026-10-24T15:24:20.340Z → 2026-10-24 15:24:20.610+00:00

  12. 24.10.2026 18:35:40 · SISTEM · recompute

    latitude: -54.068 → -54.0252 longitude: 6.95 → 6.9227 time: 2026-10-24T15:24:20.790Z → 2026-10-24 15:24:20.340+00:00 source count: 1 → 2 confirming sources: gfz → emsc,gfz preferred source: 5 → 3

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