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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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6.1

144 km SE of Hasaki, Japan

6 November 2026, 13:39:27 (+03) 2026-11-06 10:39:27 UTC

3 sources: EMSC, USGS, GFZ mww
Did you feel this earthquake?
Magnitude
6.1 mww
Depth
29.0 km
Coordinates
34.9677, 142.1175
Data consistency
99/100

Regional activity (100 km)

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

Approximate energy released

≈ 21 kt TNT

8.91e+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 Felt reports: 21 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 0
  • M6 1
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 0
  • 20–40 km 1
  • 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
OFF EAST COAST OF HONSHU, JAPAN
 6.1 mw 30.0 km 10:39:27.360 Δt 0.51 sn · 1 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
144 km SE of Hasaki, Japan
 6.1 mww 29.0 km 10:39:27.869 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
Off East Coast of Honshu, Japan
 6.0 Mw 31.0 km 10:39:28.290 Δt 0.42 sn · 4.59 km · ΔM -0.1 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. 06.11.2026 18:49:14 · EMSC · update

    depth: 31 → 30 latitude: 34.987 → 34.9767 longitude: 142.162 → 142.1169 time: 2026-11-06T10:39:28.290+00:00 → 2026-11-06T10:39:27.360+00:00

  2. 06.11.2026 15:18:33 · USGS · update

    depth: 10 → 29 latitude: 34.924 → 34.9677 longitude: 142.2425 → 142.1175 time: 2026-11-06T10:39:24.800+00:00 → 2026-11-06T10:39:27.869+00:00 location: 156 km SE of Hasaki, Japan → 144 km SE of Hasaki, Japan

  3. 06.11.2026 15:18:33 · SISTEM · recompute

    depth: 10 → 29 latitude: 34.924 → 34.9677 longitude: 142.2425 → 142.1175 time: 2026-11-06T10:39:24.800Z → 2026-11-06 10:39:27.869+00:00

  4. 06.11.2026 14:17:53 · GFZ · update

    longitude: 142.161 → 142.162 time: 2026-11-06T10:39:28.320+00:00 → 2026-11-06T10:39:28.290+00:00

  5. 06.11.2026 14:16:48 · EMSC · update

    depth: 10 → 31 latitude: 34.924 → 34.987 longitude: 142.2425 → 142.162 time: 2026-11-06T10:39:24.800+00:00 → 2026-11-06T10:39:28.290+00:00

  6. 06.11.2026 14:01:34 · GFZ · update

    magnitude: 6.3 → 6 magnitude type: mb → Mw

  7. 06.11.2026 13:57:30 · GFZ · update

    depth: 10 → 31 latitude: 34.958 → 34.987 longitude: 142.188 → 142.161 magnitude: 6 → 6.3 time: 2026-11-06T10:39:25.640+00:00 → 2026-11-06T10:39:28.320+00:00 magnitude type: M → mb

  8. 06.11.2026 13:55:49 · 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

  9. 06.11.2026 13:55:47 · EMSC · update

    depth: 8.7 → 10 latitude: 34.9939 → 34.924 longitude: 142.1398 → 142.2425 magnitude: 6.2 → 6.1 time: 2026-11-06T10:39:25.460+00:00 → 2026-11-06T10:39:24.800+00:00 magnitude type: mb → mw

  10. 06.11.2026 13:55:47 · SISTEM · recompute

    depth: 8.7 → 10 latitude: 34.9939 → 34.924 longitude: 142.1398 → 142.2425 magnitude: 6.2 → 6.1 time: 2026-11-06T10:39:25.460Z → 2026-11-06 10:39:24.800+00:00 magnitude type: mb → mw

  11. 06.11.2026 13:54:44 · EMSC · update

    depth: 10 → 8.7 latitude: 34.958 → 34.9939 longitude: 142.188 → 142.1398 time: 2026-11-06T10:39:25.640+00:00 → 2026-11-06T10:39:25.460+00:00

  12. 06.11.2026 13:54:44 · SISTEM · recompute

    depth: 10 → 8.7 latitude: 34.958 → 34.9939 longitude: 142.188 → 142.1398 time: 2026-11-06T10:39:25.640Z → 2026-11-06 10:39:25.460+00:00

  13. 06.11.2026 13:53:20 · GFZ · update

    latitude: 34.93 → 34.958 longitude: 142.257 → 142.188 time: 2026-11-06T10:39:24.880+00:00 → 2026-11-06T10:39:25.640+00:00 magnitude type: mb → M

  14. 06.11.2026 13:51:37 · EMSC · update

    depth: 56 → 10 latitude: 34.9923 → 34.958 longitude: 142.0662 → 142.188 time: 2026-11-06T10:39:30.920+00:00 → 2026-11-06T10:39:25.640+00:00

  15. 06.11.2026 13:51:37 · SISTEM · recompute

    depth: 56 → 10 latitude: 34.9923 → 34.958 longitude: 142.0662 → 142.188 time: 2026-11-06T10:39:30.920Z → 2026-11-06 10:39:25.640+00:00

  16. 06.11.2026 13:50:37 · EMSC · update

    latitude: 35.0116 → 34.9923 longitude: 142.0817 → 142.0662 time: 2026-11-06T10:39:30.720+00:00 → 2026-11-06T10:39:30.920+00:00

  17. 06.11.2026 13:50:37 · SISTEM · recompute

    latitude: 35.0116 → 34.9923 longitude: 142.0817 → 142.0662 time: 2026-11-06T10:39:30.720Z → 2026-11-06 10:39:30.920+00:00

  18. 06.11.2026 13:49:36 · EMSC · update

    depth: 10 → 56 latitude: 34.93 → 35.0116 longitude: 142.257 → 142.0817 time: 2026-11-06T10:39:24.880+00:00 → 2026-11-06T10:39:30.720+00:00

  19. 06.11.2026 13:49:36 · SISTEM · recompute

    depth: 10 → 56 latitude: 34.93 → 35.0116 longitude: 142.257 → 142.0817 time: 2026-11-06T10:39:24.880Z → 2026-11-06 10:39:30.720+00:00

  20. 06.11.2026 13:49:18 · SISTEM · recompute

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

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