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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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5.0

South Sandwich Islands region

3 November 2026, 16:34:04 (+03) 2026-11-03 13:34:04 UTC

2 sources: EMSC, USGS mb
Did you feel this earthquake?
Magnitude
5.0 mb
Depth
133.1 km
Coordinates
-58.7979, -26.2903
Data consistency
82/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
1
Last 30 days
3

Approximate energy released

≈ 477 t TNT

2.00e+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

3 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 0
  • M3 0
  • M4 2
  • M5 1
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 0
  • 20–40 km 0
  • 40–70 km 0
  • 70–150 km 3
  • 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
SOUTH SANDWICH ISLANDS REGION
 5.0 mb 129.0 km 13:34:01.660 Δt 2.91 sn · 22.81 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
South Sandwich Islands region
 5.0 mb 133.1 km 13:34:04.565 Δt 0 sn · 0 km · ΔM 0 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)

Revision history

  1. 06.11.2026 11:25:18 · EMSC · update

    latitude: -58.7276 → -58.8144 longitude: -26.1626 → -25.8969 magnitude: 4.9 → 5 time: 2026-11-03T13:33:59.910+00:00 → 2026-11-03T13:34:01.660+00:00

  2. 05.11.2026 19:44:58 · USGS · update

    depth: 152.04 → 133.11 latitude: -58.819 → -58.7979 longitude: -26.3766 → -26.2903 magnitude: 4.9 → 5 time: 2026-11-03T13:34:06.694+00:00 → 2026-11-03T13:34:04.565+00:00

  3. 05.11.2026 19:44:58 · SISTEM · recompute

    depth: 152.04 → 133.11 latitude: -58.819 → -58.7979 longitude: -26.3766 → -26.2903 magnitude: 4.9 → 5 time: 2026-11-03T13:34:06.694Z → 2026-11-03 13:34:04.565+00:00

  4. 04.11.2026 10:35:49 · EMSC · update

    latitude: -58.9475 → -58.7276 longitude: -26.3372 → -26.1626 time: 2026-11-03T13:34:04.390+00:00 → 2026-11-03T13:33:59.910+00:00

  5. 03.11.2026 21:32:36 · USGS · update

    depth: 143.6 → 152.04 latitude: -58.8399 → -58.819 longitude: -26.4744 → -26.3766 time: 2026-11-03T13:34:06.139+00:00 → 2026-11-03T13:34:06.694+00:00

  6. 03.11.2026 21:32:36 · SISTEM · recompute

    depth: 143.6 → 152.04 latitude: -58.8399 → -58.819 longitude: -26.4744 → -26.3766 time: 2026-11-03T13:34:06.139Z → 2026-11-03 13:34:06.694+00:00

  7. 03.11.2026 17:08:56 · EMSC · update

    depth: 143.6 → 129 latitude: -58.8399 → -58.9475 longitude: -26.4744 → -26.3372 time: 2026-11-03T13:34:06.139+00:00 → 2026-11-03T13:34:04.390+00:00

  8. 03.11.2026 16:53:17 · SISTEM · recompute

    source count: 1 → 2 review status: automatic → reviewed confirming sources: emsc → emsc,usgs preferred source: 3 → 4

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