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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

10 km NW of Hamakita, Japan

7 November 2026, 19:04:35 (+03) 2026-11-07 16:04:35 UTC

3 sources: EMSC, USGS, GFZ mww
Did you feel this earthquake?
Magnitude
5.5 mww
Depth
38.1 km
Coordinates
34.8611, 137.6910
Data consistency
95/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
2
Last 30 days
3

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).

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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

4 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 0
  • M3 3
  • M4 0
  • M5 1
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 0
  • 20–40 km 1
  • 40–70 km 3
  • 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).

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
NEAR S. COAST OF HONSHU, JAPAN
 5.5 mw 34.0 km 16:04:35.270 Δt 0.15 sn · 5.18 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
10 km NW of Hamakita, Japan
 5.5 mww 38.1 km 16:04:35.125 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
Near South Coast of Honshu, Japan
 5.5 Mw 10.0 km 16:04:31.870 Δt 3.26 sn · 8.8 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. 08.11.2026 19:10:52 · EMSC · update

    depth: 38.1 → 34 latitude: 34.8611 → 34.897 longitude: 137.691 → 137.6548 time: 2026-11-07T16:04:35.125+00:00 → 2026-11-07T16:04:35.270+00:00

  2. 07.11.2026 19:45:00 · GFZ · update

    magnitude: 5.8 → 5.5 magnitude type: mb → Mw

  3. 07.11.2026 19:22:21 · SISTEM · recompute

    depth: 38.1 → 38.08 source count: 2 → 3 review status: automatic → reviewed magnitude type: mw → mww confirming sources: emsc,gfz → emsc,usgs,gfz preferred source: 3 → 4

  4. 07.11.2026 19:22:20 · EMSC · update

    depth: 34 → 38.1 latitude: 34.9351 → 34.8611 longitude: 137.7131 → 137.691 magnitude: 5.6 → 5.5 time: 2026-11-07T16:04:35.070+00:00 → 2026-11-07T16:04:35.125+00:00 magnitude type: m → mw

  5. 07.11.2026 19:22:20 · SISTEM · recompute

    depth: 34 → 38.1 latitude: 34.9351 → 34.8611 longitude: 137.7131 → 137.691 magnitude: 5.6 → 5.5 time: 2026-11-07T16:04:35.070Z → 2026-11-07 16:04:35.125+00:00 magnitude type: m → mw

  6. 07.11.2026 19:19:14 · EMSC · update

    latitude: 34.9387 → 34.9351 longitude: 137.7684 → 137.7131 time: 2026-11-07T16:04:34.910+00:00 → 2026-11-07T16:04:35.070+00:00

  7. 07.11.2026 19:19:14 · SISTEM · recompute

    latitude: 34.9387 → 34.9351 longitude: 137.7684 → 137.7131 time: 2026-11-07T16:04:34.910Z → 2026-11-07 16:04:35.070+00:00

  8. 07.11.2026 19:18:22 · GFZ · update

    latitude: 34.809 → 34.838 longitude: 137.863 → 137.783 magnitude: 5.7 → 5.8 time: 2026-11-07T16:04:32.040+00:00 → 2026-11-07T16:04:31.870+00:00

  9. 07.11.2026 19:18:11 · EMSC · update

    latitude: 34.9545 → 34.9387 longitude: 137.7837 → 137.7684 time: 2026-11-07T16:04:34.690+00:00 → 2026-11-07T16:04:34.910+00:00

  10. 07.11.2026 19:18:11 · SISTEM · recompute

    latitude: 34.9545 → 34.9387 longitude: 137.7837 → 137.7684 time: 2026-11-07T16:04:34.690Z → 2026-11-07 16:04:34.910+00:00

  11. 07.11.2026 19:17:08 · EMSC · update

    latitude: 34.9626 → 34.9545 longitude: 137.7868 → 137.7837 time: 2026-11-07T16:04:34.730+00:00 → 2026-11-07T16:04:34.690+00:00

  12. 07.11.2026 19:17:08 · SISTEM · recompute

    latitude: 34.9626 → 34.9545 longitude: 137.7868 → 137.7837 time: 2026-11-07T16:04:34.730Z → 2026-11-07 16:04:34.690+00:00

  13. 07.11.2026 19:16:05 · EMSC · update

    latitude: 34.9592 → 34.9626 longitude: 137.7973 → 137.7868 time: 2026-11-07T16:04:34.640+00:00 → 2026-11-07T16:04:34.730+00:00

  14. 07.11.2026 19:16:05 · SISTEM · recompute

    latitude: 34.9592 → 34.9626 longitude: 137.7973 → 137.7868 time: 2026-11-07T16:04:34.640Z → 2026-11-07 16:04:34.730+00:00

  15. 07.11.2026 19:15:06 · SISTEM · recompute

    depth: 10 → 34 latitude: 34.809 → 34.9592 longitude: 137.863 → 137.7973 magnitude: 5.7 → 5.6 time: 2026-11-07T16:04:32.040Z → 2026-11-07 16:04:34.640+00:00 source count: 1 → 2 magnitude type: mb → m confirming sources: gfz → emsc,gfz preferred source: 5 → 3

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