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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

73 km SSW of Calama, Chile

30 October 2026, 23:54:16 (+03) 2026-10-30 20:54:16 UTC

2 sources: EMSC, USGS mb
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Magnitude
4.1 mb
Depth
84.6 km
Coordinates
-23.1065, -69.0806
Data consistency
89/100

Regional activity (100 km)

Last 24 hours
3
Last 7 days
19
Last 30 days
85

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

99 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 68
  • M3 27
  • M4 2
  • M5 2
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 0
  • 20–40 km 1
  • 40–70 km 2
  • 70–150 km 96
  • 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
ANTOFAGASTA, CHILE
 4.1 mb 24.7 km 20:54:15.140 Δt 1.02 sn · 7.48 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
73 km SSW of Calama, Chile
 4.1 mb 84.6 km 20:54:16.156 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. 31.10.2026 12:53:42 · EMSC · update

    time: 2026-10-30T20:54:15.110+00:00 → 2026-10-30T20:54:15.140+00:00 magnitude type: ml → mb

  2. 31.10.2026 01:21:00 · EMSC · update

    depth: 94.5 → 24.7 longitude: -69.04 → -69.0681 time: 2026-10-30T20:54:14.000+00:00 → 2026-10-30T20:54:15.110+00:00

  3. 31.10.2026 01:19:56 · SISTEM · recompute

    depth: 94.5 → 84.62 latitude: -23.04 → -23.1065 longitude: -69.04 → -69.0806 time: 2026-10-30T20:54:14.000Z → 2026-10-30 20:54:16.156+00:00 source count: 1 → 2 review status: automatic → reviewed magnitude type: ml → mb confirming sources: emsc → emsc,usgs preferred source: 3 → 4

  4. 31.10.2026 00:01:54 · EMSC · update

    depth: 89.2 → 94.5 latitude: -23.07 → -23.04 longitude: -69.05 → -69.04 time: 2026-10-30T20:54:15.000+00:00 → 2026-10-30T20:54:14.000+00:00

  5. 31.10.2026 00:01:54 · SISTEM · recompute

    depth: 89.2 → 94.5 latitude: -23.07 → -23.04 longitude: -69.05 → -69.04 time: 2026-10-30T20:54:15.000Z → 2026-10-30 20:54:14.000+00:00

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