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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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4.7

6 km ESE of Tōgane, Japan

11 October 2026, 19:24:25 (+03) 2026-10-11 16:24:25 UTC

2 sources: EMSC, USGS mb
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Magnitude
4.7 mb
Depth
55.8 km
Coordinates
35.5301, 140.4377
Data consistency
81/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
3
Last 30 days
14

Approximate energy released

≈ 169 t TNT

7.08e+11 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

16 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 0
  • M3 8
  • M4 6
  • M5 2
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 0
  • 20–40 km 2
  • 40–70 km 9
  • 70–150 km 5
  • 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 EAST COAST OF HONSHU, JAPAN
 4.7 mb 46.0 km 16:24:25.960 Δt 0.95 sn · 25.72 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
6 km ESE of Tōgane, Japan
 4.7 mb 55.8 km 16:24:25.015 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. 12.10.2026 00:36:10 · EMSC · update

    depth: 55.8 → 46 latitude: 35.5301 → 35.6917 longitude: 140.4377 → 140.6412 time: 2026-10-11T16:24:25.015+00:00 → 2026-10-11T16:24:25.960+00:00

  2. 11.10.2026 21:06:02 · SISTEM · recompute

    depth: 55.8 → 55.79 source count: 1 → 2 review status: automatic → reviewed confirming sources: emsc → emsc,usgs preferred source: 3 → 4

  3. 11.10.2026 21:05:55 · EMSC · update

    depth: 50 → 55.8 latitude: 35.6 → 35.5301 longitude: 140.7 → 140.4377 magnitude: 4.3 → 4.7 time: 2026-10-11T16:24:30.000+00:00 → 2026-10-11T16:24:25.015+00:00 magnitude type: m → mb

  4. 11.10.2026 21:05:55 · SISTEM · recompute

    depth: 50 → 55.8 latitude: 35.6 → 35.5301 longitude: 140.7 → 140.4377 magnitude: 4.3 → 4.7 time: 2026-10-11T16:24:30.000Z → 2026-10-11 16:24:25.015+00:00 magnitude type: m → mb

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