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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

23 km SSW of Fiambalá, Argentina

9 November 2026, 11:22:13 (+03) 2026-11-09 08:22:13 UTC

2 sources: EMSC, USGS mb
Did you feel this earthquake?
Magnitude
4.2 mb
Depth
10.0 km
Coordinates
-27.8680, -67.7070
Data consistency
90/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
4
Last 30 days
14

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

19 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 12
  • M3 5
  • M4 2
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 2
  • 20–40 km 0
  • 40–70 km 0
  • 70–150 km 10
  • 150+ km 7

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
CATAMARCA, ARGENTINA
 4.2 mb 10.0 km 08:22:13.800 Δt 0.55 sn · 4.42 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
23 km SSW of Fiambalá, Argentina
 4.2 mb 10.0 km 08:22:13.253 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. 09.11.2026 18:51:17 · EMSC · update

    latitude: -27.9007 → -27.8871 longitude: -67.6494 → -67.6676 magnitude: 4.6 → 4.2 time: 2026-11-09T08:22:13.940+00:00 → 2026-11-09T08:22:13.800+00:00

  2. 09.11.2026 18:25:18 · SISTEM · recompute

    latitude: -27.9007 → -27.868 longitude: -67.6494 → -67.707 magnitude: 4.6 → 4.2 time: 2026-11-09T08:22:13.940Z → 2026-11-09 08:22:13.253+00:00 source count: 1 → 2 review status: automatic → reviewed confirming sources: emsc → emsc,usgs preferred source: 3 → 4

  3. 09.11.2026 13:50:19 · EMSC · update

    depth: 135 → 10 latitude: -27.9151 → -27.9007 longitude: -67.7102 → -67.6494 time: 2026-11-09T08:22:18.820+00:00 → 2026-11-09T08:22:13.940+00:00 magnitude type: m → mb

  4. 09.11.2026 13:50:19 · SISTEM · recompute

    depth: 135 → 10 latitude: -27.9151 → -27.9007 longitude: -67.7102 → -67.6494 time: 2026-11-09T08:22:18.820Z → 2026-11-09 08:22:13.940+00:00 magnitude type: m → mb

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