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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

2 km WSW of Yacuiba, Bolivia

29 October 2026, 19:08:16 (+03) 2026-10-29 16:08:16 UTC

3 sources: EMSC, USGS, GFZ mb
Did you feel this earthquake?
Magnitude
4.2 mb
Depth
527.6 km
Coordinates
-22.0285, -63.7000
Data consistency
94/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
0
Last 30 days
1

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).

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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

1 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 0
  • M3 0
  • M4 1
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

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

Largest previous earthquakes within 100 km

Largest earthquakes in the platform catalogue and entries from historical catalogues (with citation).

No records.

Comparison with past records

…

No earlier earthquakes are recorded in this area.

  • Source:

Where does this earthquake come from?

Source comparison

Sources report different values.
Agency Magnitude Depth Time (UTC) Difference from master Original record
EMSC-CSEM
SALTA, ARGENTINA
 4.6 mb 526.0 km 16:08:16.660 Δt 0.13 sn · 1.79 km · ΔM +0.4 Original record
USGS Earthquake Hazards Program Displayed
2 km WSW of Yacuiba, Bolivia
 4.2 mb 527.6 km 16:08:16.529 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
Salta Province, Argentina
 4.6 mb 530.1 km 16:08:16.930 Δt 0.4 sn · 4.94 km · ΔM +0.4 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. 30.10.2026 10:37:11 · EMSC · update

    depth: 527.6 → 526 latitude: -22.0285 → -22.0196 longitude: -63.7 → -63.6855 magnitude: 4.2 → 4.6 time: 2026-10-29T16:08:16.529+00:00 → 2026-10-29T16:08:16.660+00:00

  2. 29.10.2026 19:29:17 · SISTEM · recompute

    depth: 527.6 → 527.61 source count: 2 → 3 review status: automatic → reviewed confirming sources: emsc,gfz → emsc,usgs,gfz preferred source: 3 → 4

  3. 29.10.2026 19:29:15 · SISTEM · recompute

    depth: 530.1 → 527.6 latitude: -22.064 → -22.0285 longitude: -63.729 → -63.7 magnitude: 4.6 → 4.2 time: 2026-10-29T16:08:16.930Z → 2026-10-29 16:08:16.529+00:00 source count: 1 → 2 confirming sources: gfz → emsc,gfz preferred source: 5 → 3

  4. 29.10.2026 19:19:20 · GFZ · update

    depth: 541.7 → 530.1 latitude: -22.044 → -22.064 longitude: -63.743 → -63.729 time: 2026-10-29T16:08:16.620+00:00 → 2026-10-29T16:08:16.930+00:00

  5. 29.10.2026 19:19:20 · SISTEM · recompute

    depth: 541.7 → 530.1 latitude: -22.044 → -22.064 longitude: -63.743 → -63.729 time: 2026-10-29T16:08:16.620Z → 2026-10-29 16:08:16.930+00:00

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