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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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4.5

55 km SSW of Ollagüe, Chile

1 November 2026, 04:24:52 (+03) 2026-11-01 01:24:52 UTC

3 sources: EMSC, USGS, GFZ mb
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Magnitude
4.5 mb
Depth
120.4 km
Coordinates
-21.6980, -68.4350
Data consistency
98/100

Regional activity (100 km)

Last 24 hours
8
Last 7 days
85
Last 30 days
328

Approximate energy released

≈ 85 t TNT

3.55e+11 J

Approximated with the Gutenberg–Richter relation (log E = 1.5 M + 4.8); depends on magnitude type. Gutenberg & Richter (1956).

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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

390 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 284
  • M3 91
  • 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 1
  • 70–150 km 332
  • 150+ km 56

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
 4.5 mb 123.0 km 01:24:52.880 Δt 0.43 sn · 4.2 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
55 km SSW of Ollagüe, Chile
 4.5 mb 120.4 km 01:24:52.448 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
Chile-Bolivia Border Region
 4.5 mb 113.1 km 01:24:52.950 Δt 0.5 sn · 6.93 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. 01.11.2026 12:32:41 · EMSC · update

    depth: 120.4 → 123 latitude: -21.698 → -21.6607 longitude: -68.435 → -68.4276 time: 2026-11-01T01:24:52.448+00:00 → 2026-11-01T01:24:52.880+00:00

  2. 01.11.2026 04:59:12 · SISTEM · recompute

    depth: 120.4 → 120.44 source count: 2 → 3 review status: automatic → reviewed confirming sources: emsc,gfz → emsc,usgs,gfz preferred source: 3 → 4

  3. 01.11.2026 04:59:11 · EMSC · update

    depth: 113.1 → 120.4 latitude: -21.661 → -21.698 longitude: -68.381 → -68.435 time: 2026-11-01T01:24:52.950+00:00 → 2026-11-01T01:24:52.448+00:00 magnitude type: ml → mb

  4. 01.11.2026 04:59:11 · SISTEM · recompute

    depth: 113.1 → 120.4 latitude: -21.661 → -21.698 longitude: -68.381 → -68.435 time: 2026-11-01T01:24:52.950Z → 2026-11-01 01:24:52.448+00:00 magnitude type: ml → mb

  5. 01.11.2026 04:55:07 · SISTEM · recompute

    source count: 1 → 2 magnitude type: mb → ml confirming sources: gfz → emsc,gfz preferred source: 5 → 3

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