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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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5.2

62 km SW of San Antonio, Chile

25 September 2026, 18:29:09 (+03) 2026-09-25 15:29:09 UTC

3 sources: EMSC, USGS, GFZ mww
Did you feel this earthquake?
Magnitude
5.2 mww
Depth
29.1 km
Coordinates
-33.9661, -72.1079
Data consistency
96/100

Regional activity (100 km)

Last 24 hours
1
Last 7 days
3
Last 30 days
16

Approximate energy released

≈ 951 t TNT

3.98e+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

22 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 13
  • M3 4
  • M4 4
  • M5 1
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 2
  • 20–40 km 17
  • 40–70 km 3
  • 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
OFFSHORE O'HIGGINS, CHILE
 5.2 mw 19.0 km 15:29:08.040 Δt 1.52 sn · 3.81 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
62 km SW of San Antonio, Chile
 5.2 mww 29.1 km 15:29:09.560 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
Near Coast of Central Chile
 5.2 Mw 25.6 km 15:29:09.240 Δt 0.32 sn · 10.21 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. 26.09.2026 12:33:44 · EMSC · update

    depth: 29.1 → 19 latitude: -33.9661 → -33.9929 longitude: -72.1079 → -72.0821 time: 2026-09-25T15:29:09.560+00:00 → 2026-09-25T15:29:08.040+00:00

  2. 25.09.2026 18:52:16 · GFZ · update

    magnitude: 5.4 → 5.2 magnitude type: mb → Mw

  3. 25.09.2026 18:47:45 · SISTEM · recompute

    depth: 29.1 → 29.07 source count: 2 → 3 review status: automatic → reviewed magnitude type: mw → mww confirming sources: emsc,gfz → emsc,usgs,gfz preferred source: 3 → 4

  4. 25.09.2026 18:47:45 · EMSC · update

    depth: 19 → 29.1 latitude: -34.0157 → -33.9661 longitude: -71.9106 → -72.1079 magnitude: 5.3 → 5.2 time: 2026-09-25T15:29:08.430+00:00 → 2026-09-25T15:29:09.560+00:00 location: LIBERTADOR O'HIGGINS, CHILE → OFFSHORE O'HIGGINS, CHILE magnitude type: mb → mw

  5. 25.09.2026 18:47:45 · SISTEM · recompute

    depth: 19 → 29.1 latitude: -34.0157 → -33.9661 longitude: -71.9106 → -72.1079 magnitude: 5.3 → 5.2 time: 2026-09-25T15:29:08.430Z → 2026-09-25 15:29:09.560+00:00 magnitude type: mb → mw

  6. 25.09.2026 18:46:43 · EMSC · update

    latitude: -34.0042 → -34.0157 longitude: -71.9216 → -71.9106 time: 2026-09-25T15:29:08.400+00:00 → 2026-09-25T15:29:08.430+00:00 location: OFFSHORE O'HIGGINS, CHILE → LIBERTADOR O'HIGGINS, CHILE

  7. 25.09.2026 18:46:43 · SISTEM · recompute

    latitude: -34.0042 → -34.0157 longitude: -71.9216 → -71.9106 time: 2026-09-25T15:29:08.400Z → 2026-09-25 15:29:08.430+00:00

  8. 25.09.2026 18:42:39 · EMSC · update

    latitude: -33.9998 → -34.0042 longitude: -71.7304 → -71.9216 time: 2026-09-25T15:29:08.630+00:00 → 2026-09-25T15:29:08.400+00:00 location: LIBERTADOR O'HIGGINS, CHILE → OFFSHORE O'HIGGINS, CHILE

  9. 25.09.2026 18:42:39 · SISTEM · recompute

    latitude: -33.9998 → -34.0042 longitude: -71.7304 → -71.9216 time: 2026-09-25T15:29:08.630Z → 2026-09-25 15:29:08.400+00:00

  10. 25.09.2026 18:37:25 · EMSC · update

    longitude: -71.8837 → -71.7304 time: 2026-09-25T15:29:08.520+00:00 → 2026-09-25T15:29:08.630+00:00

  11. 25.09.2026 18:37:25 · SISTEM · recompute

    longitude: -71.8837 → -71.7304 time: 2026-09-25T15:29:08.520Z → 2026-09-25 15:29:08.630+00:00

  12. 25.09.2026 18:35:47 · SISTEM · recompute

    source count: 1 → 2 confirming sources: emsc → emsc,gfz

  13. 25.09.2026 18:35:25 · EMSC · update

    latitude: -34.06 → -33.9998 longitude: -72.0252 → -71.8837 magnitude: 5.2 → 5.3 time: 2026-09-25T15:29:09.010+00:00 → 2026-09-25T15:29:08.520+00:00 location: OFFSHORE O'HIGGINS, CHILE → LIBERTADOR O'HIGGINS, CHILE magnitude type: ml → mb

  14. 25.09.2026 18:35:25 · SISTEM · recompute

    latitude: -34.06 → -33.9998 longitude: -72.0252 → -71.8837 magnitude: 5.2 → 5.3 time: 2026-09-25T15:29:09.010Z → 2026-09-25 15:29:08.520+00:00 magnitude type: ml → mb

  15. 25.09.2026 18:34:24 · EMSC · update

    magnitude: 5.3 → 5.2 magnitude type: m → ml

  16. 25.09.2026 18:34:24 · SISTEM · recompute

    magnitude: 5.3 → 5.2 magnitude type: m → ml

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