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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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4.6

South Sandwich Islands region

7 November 2026, 10:14:10 (+03) 2026-11-07 07:14:10 UTC

2 sources: EMSC, USGS mb
Did you feel this earthquake?
Magnitude
4.6 mb
Depth
103.7 km
Coordinates
-57.9579, -25.8023
Data consistency
88/100

Regional activity (100 km)

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

Approximate energy released

≈ 120 t TNT

5.01e+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

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
 4.6 mb 39.0 km 07:14:04.330 Δt 6.54 sn · 8.91 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
South Sandwich Islands region
 4.6 mb 103.7 km 07:14:10.868 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. 08.11.2026 19:05:43 · EMSC · update

    depth: 103.7 → 39 latitude: -57.9579 → -57.9178 longitude: -25.8023 → -25.6722 time: 2026-11-07T07:14:10.868+00:00 → 2026-11-07T07:14:04.330+00:00

  2. 07.11.2026 10:42:31 · SISTEM · recompute

    depth: 103.7 → 103.68 source count: 1 → 2 review status: automatic → reviewed confirming sources: emsc → emsc,usgs preferred source: 3 → 4

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