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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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5.3

Bonin Islands, Japan region

26 October 2026, 01:14:16 (+03) 2026-10-25 22:14:16 UTC

3 sources: EMSC, USGS, GFZ mww
Did you feel this earthquake?
Magnitude
5.3 mww
Depth
485.1 km
Coordinates
27.8572, 139.6916
Data consistency
99/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
0
Last 30 days
6

Approximate energy released

≈ 1.3 kt TNT

5.62e+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

6 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 0
  • M3 0
  • M4 4
  • M5 1
  • 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 6

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

Sources report different values.
Agency Magnitude Depth Time (UTC) Difference from master Original record
EMSC-CSEM
BONIN ISLANDS, JAPAN REGION
 5.3 mw 486.5 km 22:14:16.230 Δt 0.22 sn · 1.71 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
Bonin Islands, Japan region
 5.3 mww 485.1 km 22:14:16.010 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
Bonin Islands, Japan Region
 5.1 mb 491.7 km 22:14:17.030 Δt 1.02 sn · 1.04 km · ΔM -0.2 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. 26.10.2026 10:38:19 · EMSC · update

    depth: 485.1 → 486.5 latitude: 27.8572 → 27.8696 longitude: 139.6916 → 139.702 time: 2026-10-25T22:14:16.010+00:00 → 2026-10-25T22:14:16.230+00:00

  2. 26.10.2026 04:58:43 · EMSC · update

    latitude: 27.8376 → 27.8572 longitude: 139.6752 → 139.6916 time: 2026-10-25T22:14:15.949+00:00 → 2026-10-25T22:14:16.010+00:00

  3. 26.10.2026 04:57:44 · USGS · update

    latitude: 27.8376 → 27.8572 longitude: 139.6752 → 139.6916 time: 2026-10-25T22:14:15.949+00:00 → 2026-10-25T22:14:16.010+00:00

  4. 26.10.2026 04:57:44 · SISTEM · recompute

    latitude: 27.8376 → 27.8572 longitude: 139.6752 → 139.6916 time: 2026-10-25T22:14:15.949Z → 2026-10-25 22:14:16.010+00:00

  5. 26.10.2026 01:29:57 · SISTEM · recompute

    depth: 485.1 → 485.13 source count: 2 → 3 review status: automatic → reviewed magnitude type: mw → mww confirming sources: emsc,gfz → emsc,usgs,gfz preferred source: 3 → 4

  6. 26.10.2026 01:29:56 · EMSC · update

    depth: 468 → 485.1 latitude: 27.7983 → 27.8376 longitude: 139.7841 → 139.6752 magnitude: 5.2 → 5.3 time: 2026-10-25T22:14:15.440+00:00 → 2026-10-25T22:14:15.949+00:00 magnitude type: mb → mw

  7. 26.10.2026 01:29:56 · SISTEM · recompute

    depth: 468 → 485.1 latitude: 27.7983 → 27.8376 longitude: 139.7841 → 139.6752 magnitude: 5.2 → 5.3 time: 2026-10-25T22:14:15.440Z → 2026-10-25 22:14:15.949+00:00 magnitude type: mb → mw

  8. 26.10.2026 01:27:31 · GFZ · update

    depth: 486.6 → 491.7 latitude: 27.852 → 27.857 longitude: 139.68 → 139.681 magnitude: 5.2 → 5.1 time: 2026-10-25T22:14:16.860+00:00 → 2026-10-25T22:14:17.030+00:00

  9. 26.10.2026 01:24:43 · EMSC · update

    depth: 447 → 468 latitude: 27.7713 → 27.7983 longitude: 139.7569 → 139.7841 time: 2026-10-25T22:14:14.060+00:00 → 2026-10-25T22:14:15.440+00:00

  10. 26.10.2026 01:24:43 · SISTEM · recompute

    depth: 447 → 468 latitude: 27.7713 → 27.7983 longitude: 139.7569 → 139.7841 time: 2026-10-25T22:14:14.060Z → 2026-10-25 22:14:15.440+00:00

  11. 26.10.2026 01:23:30 · SISTEM · recompute

    depth: 486.6 → 447 latitude: 27.852 → 27.7713 longitude: 139.68 → 139.7569 time: 2026-10-25T22:14:16.860Z → 2026-10-25 22:14:14.060+00:00 source count: 1 → 2 confirming sources: gfz → emsc,gfz preferred source: 5 → 3

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