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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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4.4

80 km W of San Antonio de los Cobres, Argentina

17 October 2026, 00:46:59 (+03) 2026-10-16 21:46:59 UTC

2 sources: EMSC, USGS mb
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Magnitude
4.4 mb
Depth
160.3 km
Coordinates
-24.2543, -67.1137
Data consistency
85/100

Regional activity (100 km)

Last 24 hours
3
Last 7 days
36
Last 30 days
195

Approximate energy released

≈ 60 t TNT

2.51e+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

218 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 51
  • M3 157
  • M4 10
  • 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 4
  • 150+ km 212

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
SALTA, ARGENTINA
 4.4 mb 192.0 km 21:47:00.240 Δt 0.48 sn · 16.11 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
80 km W of San Antonio de los Cobres, Argentina
 4.4 mb 160.3 km 21:46:59.763 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. 17.10.2026 08:34:54 · EMSC · update

    depth: 160.3 → 192 latitude: -24.2543 → -24.1971 longitude: -67.1137 → -67.2595 magnitude: 4.3 → 4.4 time: 2026-10-16T21:46:59.763+00:00 → 2026-10-16T21:47:00.240+00:00 magnitude type: mw → mb

  2. 17.10.2026 02:54:36 · SISTEM · recompute

    depth: 160.3 → 160.31 magnitude: 4.3 → 4.4 source count: 1 → 2 review status: automatic → reviewed magnitude type: mw → mb confirming sources: emsc → emsc,usgs preferred source: 3 → 4

  3. 17.10.2026 02:54:36 · EMSC · update

    depth: 186 → 160.3 latitude: -24.159 → -24.2543 longitude: -67.213 → -67.1137 time: 2026-10-16T21:46:59.000+00:00 → 2026-10-16T21:46:59.763+00:00

  4. 17.10.2026 02:54:36 · SISTEM · recompute

    depth: 186 → 160.3 latitude: -24.159 → -24.2543 longitude: -67.213 → -67.1137 time: 2026-10-16T21:46:59.000Z → 2026-10-16 21:46:59.763+00:00

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