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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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4.2

74 km W of Ollagüe, Chile

24 October 2026, 20:14:30 (+03) 2026-10-24 17:14:30 UTC

2 sources: EMSC, USGS mb
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Magnitude
4.2 mb
Depth
124.0 km
Coordinates
-21.3025, -68.9699
Data consistency
88/100

Regional activity (100 km)

Last 24 hours
5
Last 7 days
76
Last 30 days
315

Approximate energy released

≈ 30 t TNT

1.26e+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

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

375 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 274
  • M3 86
  • M4 15
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 0
  • 20–40 km 1
  • 40–70 km 7
  • 70–150 km 353
  • 150+ km 14

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
 4.2 mb 118.5 km 17:14:29.780 Δt 0.6 sn · 9.97 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
74 km W of Ollagüe, Chile
 4.2 mb 124.0 km 17:14:30.377 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. 25.10.2026 10:37:46 · EMSC · update

    depth: 124 → 118.5 latitude: -21.27 → -21.3155 longitude: -68.93 → -68.8748 magnitude: 4 → 4.2 time: 2026-10-24T17:14:28.000+00:00 → 2026-10-24T17:14:29.780+00:00 location: TARAPACA, CHILE → ANTOFAGASTA, CHILE magnitude type: ml → mb

  2. 24.10.2026 20:44:57 · SISTEM · recompute

    depth: 124 → 123.99 latitude: -21.27 → -21.3025 longitude: -68.93 → -68.9699 magnitude: 4 → 4.2 time: 2026-10-24T17:14:28.000Z → 2026-10-24 17:14:30.377+00:00 source count: 1 → 2 review status: automatic → reviewed magnitude type: ml → mb confirming sources: emsc → emsc,usgs preferred source: 3 → 4

  3. 24.10.2026 20:21:51 · EMSC · update

    depth: 136.3 → 124 latitude: -21.28 → -21.27 longitude: -68.92 → -68.93 magnitude: 4.1 → 4

  4. 24.10.2026 20:21:51 · SISTEM · recompute

    depth: 136.3 → 124 latitude: -21.28 → -21.27 longitude: -68.92 → -68.93 magnitude: 4.1 → 4

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