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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

11 km SE of Huara, Chile

15 October 2026, 23:25:20 (+03) 2026-10-15 20:25:20 UTC

2 sources: EMSC, USGS mb
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Magnitude
4.3 mb
Depth
72.2 km
Coordinates
-20.0692, -69.6992
Data consistency
89/100

Regional activity (100 km)

Last 24 hours
3
Last 7 days
19
Last 30 days
74

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 Felt reports: 8

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

97 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 64
  • M3 28
  • M4 4
  • M5 1
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 1
  • 20–40 km 6
  • 40–70 km 12
  • 70–150 km 78
  • 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
TARAPACA, CHILE
 4.3 mb 57.0 km 20:25:20.440 Δt 0.07 sn · 7.78 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
11 km SE of Huara, Chile
 4.3 mb 72.2 km 20:25:20.509 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. 16.10.2026 21:05:21 · SISTEM · recompute

    depth: 57 → 72.18 latitude: -20.0399 → -20.0692 longitude: -69.7668 → -69.6992 time: 2026-10-15T20:25:20.440Z → 2026-10-15 20:25:20.509+00:00 source count: 1 → 2 review status: automatic → reviewed confirming sources: emsc → emsc,usgs preferred source: 3 → 4

  2. 16.10.2026 10:34:39 · EMSC · update

    magnitude: 4.4 → 4.3 time: 2026-10-15T20:25:19.530+00:00 → 2026-10-15T20:25:20.440+00:00 magnitude type: mw → mb

  3. 16.10.2026 10:34:39 · SISTEM · recompute

    magnitude: 4.4 → 4.3 time: 2026-10-15T20:25:19.530Z → 2026-10-15 20:25:20.440+00:00 magnitude type: mw → mb

  4. 16.10.2026 08:45:19 · EMSC · update

    time: 2026-10-15T20:25:19.520+00:00 → 2026-10-15T20:25:19.530+00:00

  5. 16.10.2026 08:45:19 · SISTEM · recompute

    time: 2026-10-15T20:25:19.520Z → 2026-10-15 20:25:19.530+00:00

  6. 15.10.2026 23:43:36 · EMSC · update

    time: 2026-10-15T20:25:20.800+00:00 → 2026-10-15T20:25:19.520+00:00

  7. 15.10.2026 23:43:36 · SISTEM · recompute

    time: 2026-10-15T20:25:20.800Z → 2026-10-15 20:25:19.520+00:00

  8. 15.10.2026 23:34:21 · EMSC · update

    magnitude: 4.5 → 4.4 magnitude type: ml → mw

  9. 15.10.2026 23:34:21 · SISTEM · recompute

    magnitude: 4.5 → 4.4 magnitude type: ml → mw

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