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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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4.5

203 km ENE of Nagqu, China

25 October 2026, 19:46:48 (+03) 2026-10-25 16:46:48 UTC

3 sources: EMSC, USGS, GFZ mb
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Magnitude
4.5 mb
Depth
10.0 km
Coordinates
32.5003, 93.8391
Data consistency
98/100

Regional activity (100 km)

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

Approximate energy released

≈ 85 t TNT

3.55e+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

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

Agency Magnitude Depth Time (UTC) Difference from master Original record
EMSC-CSEM
XIZANG-QINGHAI BORDER REGION
 4.5 mb 10.0 km 16:46:48.850 Δt 0.54 sn · 7.4 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
203 km ENE of Nagqu, China
 4.5 mb 10.0 km 16:46:48.312 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
Xizang
 4.5 mb 10.0 km 16:46:49.880 Δt 1.57 sn · 6.9 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) GEOFON Program, GFZ Helmholtz Centre for Geosciences — CC BY 4.0

Revision history

  1. 27.10.2026 10:39:00 · EMSC · update

    latitude: 32.5003 → 32.5569 longitude: 93.8391 → 93.8809 time: 2026-10-25T16:46:48.312+00:00 → 2026-10-25T16:46:48.850+00:00

  2. 26.10.2026 18:08:29 · SISTEM · recompute

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

  3. 26.10.2026 18:08:28 · EMSC · update

    latitude: 32.538 → 32.5003 longitude: 93.886 → 93.8391 time: 2026-10-25T16:46:49.410+00:00 → 2026-10-25T16:46:48.312+00:00

  4. 26.10.2026 18:08:28 · SISTEM · recompute

    latitude: 32.538 → 32.5003 longitude: 93.886 → 93.8391 time: 2026-10-25T16:46:49.410Z → 2026-10-25 16:46:48.312+00:00

  5. 25.10.2026 20:58:49 · EMSC · update

    latitude: 32.555 → 32.538 longitude: 93.874 → 93.886 time: 2026-10-25T16:46:49.880+00:00 → 2026-10-25T16:46:49.410+00:00

  6. 25.10.2026 20:58:49 · SISTEM · recompute

    latitude: 32.555 → 32.538 longitude: 93.874 → 93.886 time: 2026-10-25T16:46:49.880Z → 2026-10-25 16:46:49.410+00:00

  7. 25.10.2026 20:16:42 · SISTEM · recompute

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

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