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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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4.3

67 km E of Petropavlovsk-Kamchatsky, Russia

18 October 2026, 10:20:25 (+03) 2026-10-18 07:20:25 UTC

2 sources: EMSC, USGS mb
Did you feel this earthquake?
Magnitude
4.3 mb
Depth
78.3 km
Coordinates
53.1714, 159.6209
Data consistency
83/100

Regional activity (100 km)

Last 24 hours
1
Last 7 days
2
Last 30 days
9

Approximate energy released

≈ 43 t TNT

1.78e+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

11 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 0
  • M3 1
  • M4 9
  • M5 1
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 2
  • 20–40 km 0
  • 40–70 km 5
  • 70–150 km 4
  • 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
NEAR EAST COAST OF KAMCHATKA
 4.5 mb 76.0 km 07:20:25.420 Δt 0.49 sn · 20.19 km · ΔM +0.2 Original record
USGS Earthquake Hazards Program Displayed
67 km E of Petropavlovsk-Kamchatsky, Russia
 4.3 mb 78.3 km 07:20:25.909 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. 19.10.2026 00:05:40 · EMSC · update

    depth: 40 → 76 latitude: 52.99 → 53.0045 longitude: 159.96 → 159.7392 magnitude: 4.3 → 4.5 time: 2026-10-18T07:20:21.600+00:00 → 2026-10-18T07:20:25.420+00:00 location: OFF EAST COAST OF KAMCHATKA → NEAR EAST COAST OF KAMCHATKA

  2. 18.10.2026 12:20:50 · EMSC · update

    magnitude: 4.5 → 4.3

  3. 18.10.2026 11:56:48 · EMSC · update

    depth: 78.3 → 40 latitude: 53.1714 → 52.99 longitude: 159.6209 → 159.96 magnitude: 4.3 → 4.5 time: 2026-10-18T07:20:25.909+00:00 → 2026-10-18T07:20:21.600+00:00 location: NEAR EAST COAST OF KAMCHATKA → OFF EAST COAST OF KAMCHATKA

  4. 18.10.2026 10:36:48 · SISTEM · recompute

    depth: 78.3 → 78.32 source count: 1 → 2 review status: automatic → reviewed confirming sources: emsc → emsc,usgs preferred source: 3 → 4

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