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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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4.8

Sea of Okhotsk

5 November 2026, 13:09:33 (+03) 2026-11-05 10:09:33 UTC

3 sources: EMSC, USGS, GFZ mb
Did you feel this earthquake?
Magnitude
4.8 mb
Depth
554.4 km
Coordinates
49.2594, 147.7534
Data consistency
97/100

Regional activity (100 km)

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

Approximate energy released

≈ 239 t TNT

1.00e+12 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

1 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 0
  • M3 0
  • M4 1
  • M5 0
  • 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 0
  • 150+ km 1

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
SEA OF OKHOTSK
 4.8 mb 524.0 km 10:09:31.500 Δt 2.22 sn · 3.17 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
Sea of Okhotsk
 4.8 mb 554.4 km 10:09:33.723 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
Sea of Okhotsk
 5.1 mb 555.7 km 10:09:34.000 Δt 0.28 sn · 1.88 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. 05.11.2026 15:57:36 · EMSC · update

    depth: 555 → 524 latitude: 49.23 → 49.263 longitude: 147.84 → 147.7966 time: 2026-11-05T10:09:33.500+00:00 → 2026-11-05T10:09:31.500+00:00

  2. 05.11.2026 15:06:42 · EMSC · update

    depth: 554.4 → 555 latitude: 49.2594 → 49.23 longitude: 147.7534 → 147.84 time: 2026-11-05T10:09:33.723+00:00 → 2026-11-05T10:09:33.500+00:00

  3. 05.11.2026 13:36:40 · GFZ · update

    depth: 556.3 → 555.7 latitude: 49.237 → 49.249 longitude: 147.785 → 147.733 time: 2026-11-05T10:09:34.070+00:00 → 2026-11-05T10:09:34.000+00:00

  4. 05.11.2026 13:25:32 · SISTEM · recompute

    depth: 554.4 → 554.42 source count: 2 → 3 review status: automatic → reviewed confirming sources: emsc,gfz → emsc,usgs,gfz preferred source: 3 → 4

  5. 05.11.2026 13:25:31 · EMSC · update

    depth: 524 → 554.4 latitude: 49.2774 → 49.2594 longitude: 147.8199 → 147.7534 magnitude: 5.2 → 4.8 time: 2026-11-05T10:09:31.740+00:00 → 2026-11-05T10:09:33.723+00:00 magnitude type: m → mb

  6. 05.11.2026 13:25:31 · SISTEM · recompute

    depth: 524 → 554.4 latitude: 49.2774 → 49.2594 longitude: 147.8199 → 147.7534 magnitude: 5.2 → 4.8 time: 2026-11-05T10:09:31.740Z → 2026-11-05 10:09:33.723+00:00 magnitude type: m → mb

  7. 05.11.2026 13:24:31 · EMSC · update

    latitude: 49.2771 → 49.2774 longitude: 147.849 → 147.8199 time: 2026-11-05T10:09:31.710+00:00 → 2026-11-05T10:09:31.740+00:00

  8. 05.11.2026 13:24:31 · SISTEM · recompute

    latitude: 49.2771 → 49.2774 longitude: 147.849 → 147.8199 time: 2026-11-05T10:09:31.710Z → 2026-11-05 10:09:31.740+00:00

  9. 05.11.2026 13:23:30 · EMSC · update

    latitude: 49.2792 → 49.2771 longitude: 147.8485 → 147.849

  10. 05.11.2026 13:23:30 · SISTEM · recompute

    latitude: 49.2792 → 49.2771 longitude: 147.8485 → 147.849

  11. 05.11.2026 13:22:31 · EMSC · update

    latitude: 49.262 → 49.2792 longitude: 147.834 → 147.8485 time: 2026-11-05T10:09:31.820+00:00 → 2026-11-05T10:09:31.710+00:00

  12. 05.11.2026 13:22:31 · SISTEM · recompute

    latitude: 49.262 → 49.2792 longitude: 147.834 → 147.8485 time: 2026-11-05T10:09:31.820Z → 2026-11-05 10:09:31.710+00:00

  13. 05.11.2026 13:22:31 · GFZ · update

    depth: 550.4 → 556.3 latitude: 49.202 → 49.237 longitude: 147.829 → 147.785 magnitude: 5 → 5.1

  14. 05.11.2026 13:21:25 · EMSC · update

    latitude: 49.2694 → 49.262 longitude: 147.8116 → 147.834 time: 2026-11-05T10:09:32.280+00:00 → 2026-11-05T10:09:31.820+00:00

  15. 05.11.2026 13:21:25 · SISTEM · recompute

    latitude: 49.2694 → 49.262 longitude: 147.8116 → 147.834 time: 2026-11-05T10:09:32.280Z → 2026-11-05 10:09:31.820+00:00

  16. 05.11.2026 13:20:23 · SISTEM · recompute

    source count: 1 → 2 confirming sources: emsc → emsc,gfz

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