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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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4.9

100 km E of La Tirana, Chile

26 October 2026, 22:36:16 (+03) 2026-10-26 19:36:16 UTC

3 sources: EMSC, USGS, GFZ mb
Did you feel this earthquake?
Magnitude
4.9 mb
Depth
119.5 km
Coordinates
-20.3438, -68.6903
Data consistency
91/100

Regional activity (100 km)

Last 24 hours
6
Last 7 days
38
Last 30 days
172

Approximate energy released

≈ 338 t TNT

1.41e+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

211 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 150
  • M3 56
  • M4 4
  • M5 1
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 0
  • 20–40 km 1
  • 40–70 km 1
  • 70–150 km 200
  • 150+ km 9

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
POTOSI, BOLIVIA
 4.9 mb 114.9 km 19:36:15.910 Δt 0.25 sn · 5.45 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
100 km E of La Tirana, Chile
 4.9 mb 119.5 km 19:36:16.160 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
Chile-Bolivia Border Region
 4.6 Mw 121.6 km 19:36:17.270 Δt 1.11 sn · 14.12 km · ΔM -0.3 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. 27.10.2026 10:41:07 · EMSC · update

    depth: 121.6 → 114.9 latitude: -20.383 → -20.3715 longitude: -68.819 → -68.6472 time: 2026-10-26T19:36:17.270+00:00 → 2026-10-26T19:36:15.910+00:00 location: TARAPACA, CHILE → POTOSI, BOLIVIA

  2. 26.10.2026 23:17:19 · GFZ · update

    depth: 111.3 → 121.6 latitude: -20.426 → -20.383 longitude: -68.575 → -68.819 time: 2026-10-26T19:36:16.250+00:00 → 2026-10-26T19:36:17.270+00:00

  3. 26.10.2026 23:16:45 · EMSC · update

    depth: 119.5 → 121.6 latitude: -20.3438 → -20.383 longitude: -68.6903 → -68.819 time: 2026-10-26T19:36:16.160+00:00 → 2026-10-26T19:36:17.270+00:00 location: POTOSI, BOLIVIA → TARAPACA, CHILE

  4. 26.10.2026 23:13:08 · GFZ · update

    magnitude: 5 → 4.6 magnitude type: mb → Mw

  5. 26.10.2026 22:53:17 · SISTEM · recompute

    depth: 119.5 → 119.52 source count: 2 → 3 review status: automatic → reviewed confirming sources: emsc,gfz → emsc,usgs,gfz preferred source: 3 → 4

  6. 26.10.2026 22:53:15 · EMSC · update

    depth: 111.3 → 119.5 latitude: -20.426 → -20.3438 longitude: -68.575 → -68.6903 magnitude: 5 → 4.9 time: 2026-10-26T19:36:16.250+00:00 → 2026-10-26T19:36:16.160+00:00 magnitude type: m → mb

  7. 26.10.2026 22:53:15 · SISTEM · recompute

    depth: 111.3 → 119.5 latitude: -20.426 → -20.3438 longitude: -68.575 → -68.6903 magnitude: 5 → 4.9 time: 2026-10-26T19:36:16.250Z → 2026-10-26 19:36:16.160+00:00 magnitude type: m → mb

  8. 26.10.2026 22:48:51 · EMSC · update

    depth: 115 → 111.3 latitude: -20.3496 → -20.426 longitude: -68.5616 → -68.575 time: 2026-10-26T19:36:15.990+00:00 → 2026-10-26T19:36:16.250+00:00

  9. 26.10.2026 22:48:51 · SISTEM · recompute

    depth: 115 → 111.3 latitude: -20.3496 → -20.426 longitude: -68.5616 → -68.575 time: 2026-10-26T19:36:15.990Z → 2026-10-26 19:36:16.250+00:00

  10. 26.10.2026 22:48:08 · GFZ · update

    depth: 114 → 111.3 latitude: -20.423 → -20.426 longitude: -68.592 → -68.575 magnitude: 5.1 → 5 time: 2026-10-26T19:36:16.240+00:00 → 2026-10-26T19:36:16.250+00:00

  11. 26.10.2026 22:44:03 · SISTEM · recompute

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

  12. 26.10.2026 22:43:40 · EMSC · update

    depth: 114 → 115 latitude: -20.423 → -20.3496 longitude: -68.592 → -68.5616 time: 2026-10-26T19:36:16.240+00:00 → 2026-10-26T19:36:15.990+00:00

  13. 26.10.2026 22:43:40 · SISTEM · recompute

    depth: 114 → 115 latitude: -20.423 → -20.3496 longitude: -68.592 → -68.5616 time: 2026-10-26T19:36:16.240Z → 2026-10-26 19:36:15.990+00:00

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