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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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4.8

165 km SSE of Miyakojima, Japan

11 October 2026, 15:13:18 (+03) 2026-10-11 12:13:18 UTC

3 sources: EMSC, USGS, GFZ mww
Did you feel this earthquake?
Magnitude
4.8 mww
Depth
10.0 km
Coordinates
23.5015, 126.1264
Data consistency
92/100

Regional activity (100 km)

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

Approximate energy released

≈ 239 t TNT

1.00e+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

1 earthquakes

By magnitude

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

By depth

  • 0–10 km 0
  • 10–20 km 1
  • 20–40 km 0
  • 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

Sources report different values.
Agency Magnitude Depth Time (UTC) Difference from master Original record
EMSC-CSEM
SOUTHEAST OF RYUKYU ISLANDS
 5.3 mb 10.0 km 12:13:18.710 Δt 0.11 sn · 2.97 km · ΔM +0.5 Original record
USGS Earthquake Hazards Program Displayed
165 km SSE of Miyakojima, Japan
 4.8 mww 10.0 km 12:13:18.599 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
Southeast of Ryukyu Islands
 5.3 mb 10.0 km 12:13:19.530 Δt 0.93 sn · 4.19 km · ΔM +0.5 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. 12.10.2026 00:33:52 · EMSC · update

    latitude: 23.5015 → 23.4785 longitude: 126.1264 → 126.1413 magnitude: 4.8 → 5.3 time: 2026-10-11T12:13:18.599+00:00 → 2026-10-11T12:13:18.710+00:00 magnitude type: mw → mb

  2. 11.10.2026 15:33:05 · 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

  3. 11.10.2026 15:33:00 · EMSC · update

    depth: 23 → 10 latitude: 23.4828 → 23.5015 longitude: 126.1683 → 126.1264 magnitude: 5.3 → 4.8 time: 2026-10-11T12:13:21.030+00:00 → 2026-10-11T12:13:18.599+00:00 magnitude type: mb → mw

  4. 11.10.2026 15:33:00 · SISTEM · recompute

    depth: 23 → 10 latitude: 23.4828 → 23.5015 longitude: 126.1683 → 126.1264 magnitude: 5.3 → 4.8 time: 2026-10-11T12:13:21.030Z → 2026-10-11 12:13:18.599+00:00 magnitude type: mb → mw

  5. 11.10.2026 15:28:30 · GFZ · update

    latitude: 23.495 → 23.464 longitude: 126.134 → 126.121 magnitude: 5.1 → 5.3 time: 2026-10-11T12:13:19.100+00:00 → 2026-10-11T12:13:19.530+00:00

  6. 11.10.2026 15:27:42 · EMSC · update

    magnitude: 5.1 → 5.3

  7. 11.10.2026 15:27:42 · SISTEM · recompute

    magnitude: 5.1 → 5.3

  8. 11.10.2026 15:23:37 · EMSC · update

    latitude: 23.4548 → 23.4828 longitude: 126.0684 → 126.1683 time: 2026-10-11T12:13:21.410+00:00 → 2026-10-11T12:13:21.030+00:00

  9. 11.10.2026 15:23:37 · SISTEM · recompute

    latitude: 23.4548 → 23.4828 longitude: 126.0684 → 126.1683 time: 2026-10-11T12:13:21.410Z → 2026-10-11 12:13:21.030+00:00

  10. 11.10.2026 15:22:32 · SISTEM · recompute

    depth: 10 → 23 latitude: 23.495 → 23.4548 longitude: 126.134 → 126.0684 time: 2026-10-11T12:13:19.100Z → 2026-10-11 12:13:21.410+00:00 source count: 1 → 2 confirming sources: gfz → emsc,gfz preferred source: 5 → 3

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