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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

209 km ENE of Nagqu, China

23 October 2026, 23:37:41 (+03) 2026-10-23 20:37:41 UTC

3 sources: EMSC, USGS, GFZ mb
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Magnitude
4.8 mb
Depth
10.0 km
Coordinates
32.4693, 93.9430
Data consistency
94/100

Regional activity (100 km)

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

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).

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
 4.8 mb 10.0 km 20:37:42.330 Δt 0.34 sn · 9.69 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
209 km ENE of Nagqu, China
 4.8 mb 10.0 km 20:37:41.989 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
Xizang
 5.0 mb 19.2 km 20:37:44.460 Δt 2.47 sn · 15.89 km · ΔM +0.2 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. 24.10.2026 10:16:43 · EMSC · update

    latitude: 32.42 → 32.5199 longitude: 93.99 → 94.0271 time: 2026-10-23T20:37:41.700+00:00 → 2026-10-23T20:37:42.330+00:00

  2. 24.10.2026 00:41:56 · EMSC · update

    latitude: 32.4693 → 32.42 longitude: 93.943 → 93.99 time: 2026-10-23T20:37:41.989+00:00 → 2026-10-23T20:37:41.700+00:00

  3. 24.10.2026 00:07:12 · SISTEM · recompute

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

  4. 24.10.2026 00:07:11 · EMSC · update

    depth: 19.2 → 10 latitude: 32.485 → 32.4693 longitude: 94.111 → 93.943 time: 2026-10-23T20:37:44.460+00:00 → 2026-10-23T20:37:41.989+00:00 magnitude type: m → mb

  5. 24.10.2026 00:07:11 · SISTEM · recompute

    depth: 19.2 → 10 latitude: 32.485 → 32.4693 longitude: 94.111 → 93.943 time: 2026-10-23T20:37:44.460Z → 2026-10-23 20:37:41.989+00:00 magnitude type: m → mb

  6. 23.10.2026 23:57:58 · GFZ · update

    depth: 10 → 19.2 latitude: 32.494 → 32.485 longitude: 94.061 → 94.111 magnitude: 4.8 → 5 time: 2026-10-23T20:37:43.520+00:00 → 2026-10-23T20:37:44.460+00:00

  7. 23.10.2026 23:57:38 · SISTEM · recompute

    depth: 10 → 19.2 latitude: 32.494 → 32.485 longitude: 94.061 → 94.111 time: 2026-10-23T20:37:43.520Z → 2026-10-23 20:37:44.460+00:00 source count: 1 → 2 magnitude type: mb → m confirming sources: gfz → emsc,gfz preferred source: 5 → 3

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