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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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6.0

58 km SSE of Shima, Japan

1 November 2026, 01:15:02 (+03) 2026-10-31 22:15:02 UTC

3 sources: EMSC, USGS, GFZ mww
Did you feel this earthquake?
Magnitude
6.0 mww
Depth
352.5 km
Coordinates
33.8220, 136.9854
Data consistency
97/100

Regional activity (100 km)

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

Approximate energy released

≈ 15 kt TNT

6.31e+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

2 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 0
  • M3 0
  • M4 1
  • M5 0
  • M6 1
  • 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 2

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
 6.0 mw 349.6 km 22:15:02.590 Δt 0.31 sn · 3.02 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
58 km SSE of Shima, Japan
 6.0 mww 352.5 km 22:15:02.901 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
Near South Coast of Western Honshu
 5.9 Mw 346.4 km 22:15:02.570 Δt 0.33 sn · 9.49 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. 01.11.2026 12:08:23 · EMSC · update

    depth: 352.4 → 349.6 latitude: 33.822 → 33.8046 longitude: 136.9854 → 137.0105 time: 2026-10-31T22:15:02.901+00:00 → 2026-10-31T22:15:02.590+00:00 location: NEAR S. COAST OF WESTERN HONSHU → NEAR S. COAST OF HONSHU, JAPAN

  2. 01.11.2026 01:33:02 · GFZ · update

    magnitude: 5.7 → 5.9 location: Near South Coast of Honshu, Japan → Near South Coast of Western Honshu magnitude type: M → Mw

  3. 01.11.2026 01:30:36 · SISTEM · recompute

    depth: 352.4 → 352.45 source count: 2 → 3 review status: automatic → reviewed magnitude type: mw → mww confirming sources: emsc,gfz → emsc,usgs,gfz preferred source: 3 → 4

  4. 01.11.2026 01:30:35 · SISTEM · recompute

    depth: 346.4 → 352.4 latitude: 33.757 → 33.822 longitude: 137.052 → 136.9854 magnitude: 5.8 → 6 time: 2026-10-31T22:15:02.570Z → 2026-10-31 22:15:02.901+00:00 magnitude type: mb → mw

  5. 01.11.2026 01:30:35 · EMSC · update

    depth: 346.4 → 352.4 latitude: 33.757 → 33.822 longitude: 137.052 → 136.9854 magnitude: 5.8 → 6 time: 2026-10-31T22:15:02.570+00:00 → 2026-10-31T22:15:02.901+00:00 location: NEAR S. COAST OF HONSHU, JAPAN → NEAR S. COAST OF WESTERN HONSHU magnitude type: mb → mw

  6. 01.11.2026 01:26:47 · GFZ · update

    depth: 350.9 → 346.4 latitude: 33.765 → 33.757 longitude: 137.117 → 137.052 magnitude: 6 → 5.7 time: 2026-10-31T22:15:02.400+00:00 → 2026-10-31T22:15:02.570+00:00 magnitude type: mb → M

  7. 01.11.2026 01:26:23 · EMSC · update

    depth: 350.9 → 346.4 latitude: 33.765 → 33.757 longitude: 137.117 → 137.052 magnitude: 6 → 5.8 time: 2026-10-31T22:15:02.400+00:00 → 2026-10-31T22:15:02.570+00:00

  8. 01.11.2026 01:26:23 · SISTEM · recompute

    depth: 350.9 → 346.4 latitude: 33.765 → 33.757 longitude: 137.117 → 137.052 magnitude: 6 → 5.8 time: 2026-10-31T22:15:02.400Z → 2026-10-31 22:15:02.570+00:00

  9. 01.11.2026 01:23:15 · SISTEM · recompute

    source count: 1 → 2 confirming sources: gfz → emsc,gfz preferred source: 5 → 3

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