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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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4.8

71 km NNW of San Antonio de los Cobres, Argentina

1 November 2026, 08:31:54 (+03) 2026-11-01 05:31:54 UTC

2 sources: EMSC, USGS mww Under moderator review
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Magnitude
4.8 mww
Depth
202.1 km
Coordinates
-23.6386, -66.6315
Data consistency
87/100

Regional activity (100 km)

Last 24 hours
3
Last 7 days
32
Last 30 days
181

Approximate energy released

≈ 239 t TNT

1.00e+12 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

209 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 40
  • M3 158
  • M4 11
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 1
  • 20–40 km 0
  • 40–70 km 1
  • 70–150 km 1
  • 150+ km 206

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
JUJUY, ARGENTINA
 4.8 mw 207.0 km 05:31:55.760 Δt 1.16 sn · 12.89 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
71 km NNW of San Antonio de los Cobres, Argentina
 4.8 mww 202.1 km 05:31:54.598 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. 01.11.2026 12:32:41 · EMSC · update

    depth: 202.1 → 207 latitude: -23.6386 → -23.5294 longitude: -66.6315 → -66.5877 time: 2026-11-01T05:31:54.598+00:00 → 2026-11-01T05:31:55.760+00:00

  2. 01.11.2026 08:48:08 · SISTEM · recompute

    depth: 202.1 → 202.07 source count: 1 → 2 magnitude type: mw → mww confirming sources: emsc → emsc,usgs preferred source: 3 → 4

  3. 01.11.2026 08:48:06 · EMSC · update

    depth: 233 → 202.1 latitude: -23.54 → -23.6386 longitude: -66.69 → -66.6315 magnitude: 4.6 → 4.8 time: 2026-11-01T05:31:54.000+00:00 → 2026-11-01T05:31:54.598+00:00 magnitude type: m → mw

  4. 01.11.2026 08:48:06 · SISTEM · recompute

    depth: 233 → 202.1 latitude: -23.54 → -23.6386 longitude: -66.69 → -66.6315 magnitude: 4.6 → 4.8 time: 2026-11-01T05:31:54.000Z → 2026-11-01 05:31:54.598+00:00 magnitude type: m → mw

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