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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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4.7

5 km N of Bowangshan, China

26 September 2026, 21:31:42 (+03) 2026-09-26 18:31:42 UTC

3 sources: EMSC, USGS, GFZ mb
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Magnitude
4.7 mb
Depth
10.0 km
Coordinates
28.3596, 105.0553
Data consistency
95/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
0
Last 30 days
2

Approximate energy released

≈ 169 t TNT

7.08e+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

7 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 0
  • M3 4
  • M4 1
  • M5 2
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 2
  • 10–20 km 5
  • 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
SICHUAN-GUIZHOU BORDER RG, CHINA
 4.7 mb 6.7 km 18:31:42.660 Δt 0.02 sn · 6.92 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
5 km N of Bowangshan, China
 4.7 mb 10.0 km 18:31:42.679 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
Sichuan, China
 4.7 mb 10.0 km 18:31:43.120 Δt 0.44 sn · 13.18 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. 27.09.2026 17:35:10 · EMSC · update

    depth: 10 → 6.7 latitude: 28.38 → 28.4045 longitude: 105.17 → 105.0063 time: 2026-09-26T18:31:43.100+00:00 → 2026-09-26T18:31:42.660+00:00

  2. 26.09.2026 22:18:40 · EMSC · update

    latitude: 28.3596 → 28.38 longitude: 105.0553 → 105.17 time: 2026-09-26T18:31:42.679+00:00 → 2026-09-26T18:31:43.100+00:00

  3. 26.09.2026 21:58:28 · SISTEM · recompute

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

  4. 26.09.2026 21:58:28 · SISTEM · recompute

    latitude: 28.469 → 28.3596 longitude: 105.108 → 105.0553 time: 2026-09-26T18:31:43.120Z → 2026-09-26 18:31:42.679+00:00 source count: 1 → 2 confirming sources: gfz → emsc,gfz preferred source: 5 → 3

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