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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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4.6

100 km W of El Aguilar, Argentina

27 October 2026, 14:41:22 (+03) 2026-10-27 11:41:22 UTC

3 sources: EMSC, USGS, GFZ mb
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Magnitude
4.6 mb
Depth
206.3 km
Coordinates
-23.1819, -66.6616
Data consistency
96/100

Regional activity (100 km)

Last 24 hours
3
Last 7 days
16
Last 30 days
84

Approximate energy released

≈ 120 t TNT

5.01e+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

105 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 16
  • M3 80
  • M4 9
  • 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 102

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
 4.6 mb 223.0 km 11:41:23.370 Δt 1.23 sn · 10.79 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
100 km W of El Aguilar, Argentina
 4.6 mb 206.3 km 11:41:22.141 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
Jujuy Province, Argentina
 4.5 mb 197.8 km 11:41:21.370 Δt 0.77 sn · 11.03 km · ΔM -0.1 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. 27.10.2026 17:45:15 · EMSC · update

    depth: 219 → 223 latitude: -23.1933 → -23.1668 longitude: -66.7874 → -66.7657 magnitude: 4.5 → 4.6 time: 2026-10-27T11:41:22.140+00:00 → 2026-10-27T11:41:23.370+00:00 magnitude type: ml → mb

  2. 27.10.2026 15:01:59 · SISTEM · recompute

    depth: 219 → 206.26 latitude: -23.1933 → -23.1819 longitude: -66.7874 → -66.6616 magnitude: 4.5 → 4.6 time: 2026-10-27T11:41:22.140Z → 2026-10-27 11:41:22.141+00:00 source count: 2 → 3 review status: automatic → reviewed magnitude type: ml → mb confirming sources: emsc,gfz → emsc,usgs,gfz preferred source: 3 → 4

  3. 27.10.2026 14:53:54 · GFZ · update

    depth: 205.9 → 197.8 latitude: -23.178 → -23.19 longitude: -66.802 → -66.769 magnitude: 4.4 → 4.5 time: 2026-10-27T11:41:21.340+00:00 → 2026-10-27T11:41:21.370+00:00

  4. 27.10.2026 14:48:31 · SISTEM · recompute

    depth: 205.9 → 219 latitude: -23.178 → -23.1933 longitude: -66.802 → -66.7874 magnitude: 4.4 → 4.5 time: 2026-10-27T11:41:21.340Z → 2026-10-27 11:41:22.140+00:00 source count: 1 → 2 magnitude type: mb → ml confirming sources: gfz → emsc,gfz preferred source: 5 → 3

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