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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

56 km S of Kuril’sk, Russia

26 October 2026, 11:10:33 (+03) 2026-10-26 08:10:33 UTC

2 sources: EMSC, USGS mb
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Magnitude
4.5 mb
Depth
139.4 km
Coordinates
44.7225, 147.9339
Data consistency
90/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
1
Last 30 days
4

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

5 earthquakes

By magnitude

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

By depth

  • 0–10 km 0
  • 10–20 km 1
  • 20–40 km 1
  • 40–70 km 1
  • 70–150 km 2
  • 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
KURIL ISLANDS
 4.5 mb 134.0 km 08:10:32.880 Δt 0.76 sn · 3.65 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
56 km S of Kuril’sk, Russia
 4.5 mb 139.4 km 08:10:33.644 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. 26.10.2026 13:35:57 · EMSC · update

    depth: 120 → 134 latitude: 44.83 → 44.7553 longitude: 148.14 → 147.9312 magnitude: 4.7 → 4.5 time: 2026-10-26T08:10:30.900+00:00 → 2026-10-26T08:10:32.880+00:00

  2. 26.10.2026 13:02:53 · SISTEM · recompute

    depth: 120 → 139.44 latitude: 44.83 → 44.7225 longitude: 148.14 → 147.9339 magnitude: 4.7 → 4.5 time: 2026-10-26T08:10:30.900Z → 2026-10-26 08:10:33.644+00:00 source count: 1 → 2 review status: automatic → reviewed confirming sources: emsc → emsc,usgs preferred source: 3 → 4

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