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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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5.5

Reykjanes Ridge

28 October 2026, 14:37:49 (+03) 2026-10-28 11:37:49 UTC

3 sources: EMSC, USGS, GFZ mww
Did you feel this earthquake?
Magnitude
5.5 mww
Depth
10.0 km
Coordinates
58.1005, -32.1508
Data consistency
96/100

Regional activity (100 km)

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

Approximate energy released

≈ 2.7 kt TNT

1.12e+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

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

7 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 0
  • M3 0
  • M4 3
  • M5 4
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 7
  • 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

Agency Magnitude Depth Time (UTC) Difference from master Original record
EMSC-CSEM
REYKJANES RIDGE
 5.5 mw 4.1 km 11:37:50.300 Δt 0.32 sn · 11.92 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
Reykjanes Ridge
 5.5 mww 10.0 km 11:37:49.980 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
Reykjanes Ridge
 5.5 Mw 10.0 km 11:37:50.980 Δt 1 sn · 9.63 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) GEOFON Program, GFZ Helmholtz Centre for Geosciences — CC BY 4.0

Revision history

  1. 28.10.2026 15:27:35 · EMSC · update

    depth: 10 → 4.1 latitude: 58.1005 → 58.2029 longitude: -32.1508 → -32.2097 time: 2026-10-28T11:37:49.980+00:00 → 2026-10-28T11:37:50.300+00:00

  2. 28.10.2026 15:06:28 · GFZ · update

    magnitude: 5.4 → 5.5

  3. 28.10.2026 15:04:17 · GFZ · update

    latitude: 58.202 → 58.181 longitude: -32.068 → -32.091 time: 2026-10-28T11:37:51.550+00:00 → 2026-10-28T11:37:50.980+00:00

  4. 28.10.2026 14:58:18 · GFZ · update

    magnitude type: mb → Mw

  5. 28.10.2026 14:54:00 · SISTEM · recompute

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

  6. 28.10.2026 14:53:53 · EMSC · update

    depth: 4 → 10 latitude: 58.1488 → 58.1005 longitude: -32.1707 → -32.1508 magnitude: 5.2 → 5.5 time: 2026-10-28T11:37:50.930+00:00 → 2026-10-28T11:37:49.980+00:00 magnitude type: mb → mw

  7. 28.10.2026 14:53:53 · SISTEM · recompute

    depth: 4 → 10 latitude: 58.1488 → 58.1005 longitude: -32.1707 → -32.1508 magnitude: 5.2 → 5.5 time: 2026-10-28T11:37:50.930Z → 2026-10-28 11:37:49.980+00:00 magnitude type: mb → mw

  8. 28.10.2026 14:50:50 · EMSC · update

    depth: 3.7 → 4 latitude: 58.1316 → 58.1488 longitude: -32.1042 → -32.1707 time: 2026-10-28T11:37:50.790+00:00 → 2026-10-28T11:37:50.930+00:00

  9. 28.10.2026 14:50:50 · SISTEM · recompute

    depth: 3.7 → 4 latitude: 58.1316 → 58.1488 longitude: -32.1042 → -32.1707 time: 2026-10-28T11:37:50.790Z → 2026-10-28 11:37:50.930+00:00

  10. 28.10.2026 14:48:08 · EMSC · update

    latitude: 58.1967 → 58.1316 longitude: -32.0556 → -32.1042 time: 2026-10-28T11:37:50.820+00:00 → 2026-10-28T11:37:50.790+00:00

  11. 28.10.2026 14:48:08 · SISTEM · recompute

    latitude: 58.1967 → 58.1316 longitude: -32.0556 → -32.1042 time: 2026-10-28T11:37:50.820Z → 2026-10-28 11:37:50.790+00:00

  12. 28.10.2026 14:47:43 · GFZ · update

    latitude: 58.221 → 58.202 longitude: -32.083 → -32.068 magnitude: 5.6 → 5.4 time: 2026-10-28T11:37:52.030+00:00 → 2026-10-28T11:37:51.550+00:00

  13. 28.10.2026 14:47:07 · EMSC · update

    depth: 13 → 3.7 latitude: 58.2106 → 58.1967 longitude: -32.0845 → -32.0556 time: 2026-10-28T11:37:52.920+00:00 → 2026-10-28T11:37:50.820+00:00

  14. 28.10.2026 14:47:07 · SISTEM · recompute

    depth: 13 → 3.7 latitude: 58.2106 → 58.1967 longitude: -32.0845 → -32.0556 time: 2026-10-28T11:37:52.920Z → 2026-10-28 11:37:50.820+00:00

  15. 28.10.2026 14:46:07 · EMSC · update

    magnitude: 5.4 → 5.2 magnitude type: m → mb

  16. 28.10.2026 14:46:07 · SISTEM · recompute

    magnitude: 5.4 → 5.2 magnitude type: m → mb

  17. 28.10.2026 14:45:02 · SISTEM · recompute

    depth: 10 → 13 latitude: 58.221 → 58.2106 longitude: -32.083 → -32.0845 magnitude: 5.6 → 5.4 time: 2026-10-28T11:37:52.030Z → 2026-10-28 11:37:52.920+00:00 source count: 1 → 2 magnitude type: mb → m confirming sources: gfz → emsc,gfz preferred source: 5 → 3

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