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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

186 km ENE of Nagqu, China

2 November 2026, 23:54:53 (+03) 2026-11-02 20:54:53 UTC

2 sources: EMSC, USGS mb Under moderator review
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Magnitude
4.5 mb
Depth
10.0 km
Coordinates
32.2855, 93.7833
Data consistency
86/100

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).

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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
 4.2 mb 10.0 km 20:54:55.140 Δt 1.43 sn · 8.24 km · ΔM -0.3 Original record
USGS Earthquake Hazards Program Displayed
186 km ENE of Nagqu, China
 4.5 mb 10.0 km 20:54:53.714 Δt 0 sn · 0 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)

Revision history

  1. 06.11.2026 00:04:36 · SISTEM · recompute

    latitude: 32.321 → 32.2855 longitude: 93.8602 → 93.7833 magnitude: 4.2 → 4.5 time: 2026-11-02T20:54:55.140Z → 2026-11-02 20:54:53.714+00:00 source count: 1 → 2 confirming sources: emsc → emsc,usgs preferred source: 3 → 4

  2. 03.11.2026 10:48:08 · EMSC · update

    latitude: 32.2 → 32.321 longitude: 93.9 → 93.8602 time: 2026-11-02T20:54:55.500+00:00 → 2026-11-02T20:54:55.140+00:00

  3. 03.11.2026 10:48:08 · SISTEM · recompute

    latitude: 32.2 → 32.321 longitude: 93.9 → 93.8602 time: 2026-11-02T20:54:55.500Z → 2026-11-02 20:54:55.140+00:00

  4. 03.11.2026 07:04:02 · EMSC · update

    latitude: 32.41 → 32.2 longitude: 93.85 → 93.9 magnitude: 3.8 → 4.2 time: 2026-11-02T20:54:52.000+00:00 → 2026-11-02T20:54:55.500+00:00 magnitude type: m → mb

  5. 03.11.2026 07:04:02 · SISTEM · recompute

    latitude: 32.41 → 32.2 longitude: 93.85 → 93.9 magnitude: 3.8 → 4.2 time: 2026-11-02T20:54:52.000Z → 2026-11-02 20:54:55.500+00:00 magnitude type: m → mb

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