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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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5.4

210 km ENE of Nagqu, China

27 October 2026, 21:57:53 (+03) 2026-10-27 18:57:53 UTC

3 sources: EMSC, USGS, GFZ mb
Did you feel this earthquake?
Magnitude
5.4 mb
Depth
10.0 km
Coordinates
32.5388, 93.9028
Data consistency
89/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
3
Last 30 days
56

Approximate energy released

≈ 1.9 kt TNT

7.94e+12 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

56 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 0
  • M3 19
  • M4 30
  • M5 6
  • M6 0
  • M7 1
  • M8+ 0

By depth

  • 0–10 km 2
  • 10–20 km 54
  • 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).

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
XIZANG-QINGHAI BORDER REGION
 5.4 mb 10.0 km 18:57:53.630 Δt 0.5 sn · 10.63 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
210 km ENE of Nagqu, China
 5.4 mb 10.0 km 18:57:53.135 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
Xizang
 4.9 Mw 10.0 km 18:57:54.640 Δt 1.51 sn · 9.64 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. 28.10.2026 10:34:31 · EMSC · update

    latitude: 32.58 → 32.6213 longitude: 94.06 → 93.9604 time: 2026-10-27T18:57:54.000+00:00 → 2026-10-27T18:57:53.630+00:00

  2. 28.10.2026 02:30:00 · EMSC · update

    latitude: 32.5388 → 32.58 longitude: 93.9028 → 94.06 time: 2026-10-27T18:57:53.135+00:00 → 2026-10-27T18:57:54.000+00:00

  3. 27.10.2026 22:19:51 · GFZ · update

    magnitude: 5.4 → 4.9 magnitude type: mb → Mw

  4. 27.10.2026 22:19:46 · SISTEM · recompute

    source count: 2 → 3 review status: automatic → reviewed confirming sources: emsc,gfz → emsc,usgs,gfz preferred source: 3 → 4

  5. 27.10.2026 22:19:44 · EMSC · update

    depth: 1.2 → 10 latitude: 32.5736 → 32.5388 longitude: 93.9979 → 93.9028 magnitude: 5.2 → 5.4 time: 2026-10-27T18:57:52.930+00:00 → 2026-10-27T18:57:53.135+00:00 magnitude type: m → mb

  6. 27.10.2026 22:19:44 · SISTEM · recompute

    depth: 1.2 → 10 latitude: 32.5736 → 32.5388 longitude: 93.9979 → 93.9028 magnitude: 5.2 → 5.4 time: 2026-10-27T18:57:52.930Z → 2026-10-27 18:57:53.135+00:00 magnitude type: m → mb

  7. 27.10.2026 22:13:29 · EMSC · update

    depth: 35 → 1.2 latitude: 32.5549 → 32.5736 longitude: 93.9891 → 93.9979 time: 2026-10-27T18:57:57.610+00:00 → 2026-10-27T18:57:52.930+00:00

  8. 27.10.2026 22:13:29 · SISTEM · recompute

    depth: 35 → 1.2 latitude: 32.5549 → 32.5736 longitude: 93.9891 → 93.9979 time: 2026-10-27T18:57:57.610Z → 2026-10-27 18:57:52.930+00:00

  9. 27.10.2026 22:11:14 · EMSC · update

    depth: 10 → 35 latitude: 32.564 → 32.5549 longitude: 94.001 → 93.9891 time: 2026-10-27T18:57:54.640+00:00 → 2026-10-27T18:57:57.610+00:00

  10. 27.10.2026 22:11:14 · SISTEM · recompute

    depth: 10 → 35 latitude: 32.564 → 32.5549 longitude: 94.001 → 93.9891 time: 2026-10-27T18:57:54.640Z → 2026-10-27 18:57:57.610+00:00

  11. 27.10.2026 22:09:46 · EMSC · update

    depth: 35 → 10 latitude: 32.5677 → 32.564 longitude: 93.9854 → 94.001 time: 2026-10-27T18:57:57.630+00:00 → 2026-10-27T18:57:54.640+00:00

  12. 27.10.2026 22:09:46 · SISTEM · recompute

    depth: 35 → 10 latitude: 32.5677 → 32.564 longitude: 93.9854 → 94.001 time: 2026-10-27T18:57:57.630Z → 2026-10-27 18:57:54.640+00:00

  13. 27.10.2026 22:09:35 · GFZ · update

    latitude: 32.523 → 32.564 longitude: 93.987 → 94.001 magnitude: 5.1 → 5.4 time: 2026-10-27T18:57:55.140+00:00 → 2026-10-27T18:57:54.640+00:00

  14. 27.10.2026 22:08:43 · EMSC · update

    magnitude: 5 → 5.2

  15. 27.10.2026 22:08:43 · SISTEM · recompute

    magnitude: 5 → 5.2

  16. 27.10.2026 22:07:41 · EMSC · update

    latitude: 32.5635 → 32.5677 longitude: 93.9446 → 93.9854 time: 2026-10-27T18:57:57.620+00:00 → 2026-10-27T18:57:57.630+00:00

  17. 27.10.2026 22:07:41 · SISTEM · recompute

    latitude: 32.5635 → 32.5677 longitude: 93.9446 → 93.9854 time: 2026-10-27T18:57:57.620Z → 2026-10-27 18:57:57.630+00:00

  18. 27.10.2026 22:07:32 · SISTEM · recompute

    source count: 1 → 2 confirming sources: emsc → emsc,gfz

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