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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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4.1

70 km W of Ollagüe, Chile

1 November 2026, 21:42:03 (+03) 2026-11-01 18:42:03 UTC

2 sources: EMSC, USGS mb
Did you feel this earthquake?
Magnitude
4.1 mb
Depth
117.2 km
Coordinates
-21.1449, -68.9287
Data consistency
88/100

Regional activity (100 km)

Last 24 hours
5
Last 7 days
77
Last 30 days
314

Approximate energy released

≈ 21 t TNT

8.91e+10 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

373 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 275
  • M3 82
  • M4 16
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 1
  • 20–40 km 1
  • 40–70 km 6
  • 70–150 km 347
  • 150+ km 18

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
TARAPACA, CHILE
 3.8 ml 116.1 km 18:42:03.510 Δt 0.14 sn · 4.07 km · ΔM -0.3 Original record
USGS Earthquake Hazards Program Displayed
70 km W of Ollagüe, Chile
 4.1 mb 117.2 km 18:42:03.372 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. 03.11.2026 10:44:00 · EMSC · update

    latitude: -21.13 → -21.1565 longitude: -69 → -68.9659 time: 2026-11-01T18:42:02.000+00:00 → 2026-11-01T18:42:03.510+00:00

  2. 02.11.2026 19:22:47 · SISTEM · recompute

    depth: 116.1 → 117.2 latitude: -21.13 → -21.1449 longitude: -69 → -68.9287 magnitude: 3.8 → 4.1 time: 2026-11-01T18:42:02.000Z → 2026-11-01 18:42:03.372+00:00 source count: 1 → 2 review status: automatic → reviewed magnitude type: ml → mb confirming sources: emsc → emsc,usgs preferred source: 3 → 4

  3. 01.11.2026 21:52:45 · EMSC · update

    depth: 114.7 → 116.1 latitude: -21.12 → -21.13 magnitude: 3.9 → 3.8 time: 2026-11-01T18:42:03.000+00:00 → 2026-11-01T18:42:02.000+00:00

  4. 01.11.2026 21:52:45 · SISTEM · recompute

    depth: 114.7 → 116.1 latitude: -21.12 → -21.13 magnitude: 3.9 → 3.8 time: 2026-11-01T18:42:03.000Z → 2026-11-01 18:42:02.000+00:00

  5. 01.11.2026 21:47:27 · EMSC · update

    depth: 110.8 → 114.7 latitude: -21.15 → -21.12 longitude: -69.03 → -69 time: 2026-11-01T18:42:04.000+00:00 → 2026-11-01T18:42:03.000+00:00

  6. 01.11.2026 21:47:27 · SISTEM · recompute

    depth: 110.8 → 114.7 latitude: -21.15 → -21.12 longitude: -69.03 → -69 time: 2026-11-01T18:42:04.000Z → 2026-11-01 18:42:03.000+00:00

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