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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

31 km W of Río Grande, Panama

11 October 2026, 20:11:29 (+03) 2026-10-11 17:11:29 UTC

3 sources: EMSC, USGS, GFZ mb
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Magnitude
4.8 mb
Depth
10.0 km
Coordinates
7.7084, -81.6209
Data consistency
97/100

Regional activity (100 km)

Last 24 hours
5
Last 7 days
43
Last 30 days
443

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

631 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 16
  • M3 445
  • M4 160
  • M5 7
  • M6 2
  • M7 1
  • M8+ 0

By depth

  • 0–10 km 269
  • 10–20 km 333
  • 20–40 km 21
  • 40–70 km 4
  • 70–150 km 3
  • 150+ km 1

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

Sources report different values.
Agency Magnitude Depth Time (UTC) Difference from master Original record
EMSC-CSEM
PANAMA
 5.0 mb 10.0 km 17:11:30.260 Δt 0.86 sn · 8.25 km · ΔM +0.2 Original record
USGS Earthquake Hazards Program Displayed
31 km W of Río Grande, Panama
 4.8 mb 10.0 km 17:11:29.405 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
Panama
 5.0 mb 10.0 km 17:11:30.190 Δt 0.79 sn · 1.5 km · ΔM +0.2 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. 12.10.2026 00:36:10 · EMSC · update

    latitude: 7.7084 → 7.7738 longitude: -81.6209 → -81.5849 magnitude: 4.8 → 5 time: 2026-10-11T17:11:29.405+00:00 → 2026-10-11T17:11:30.260+00:00

  2. 11.10.2026 21:08:11 · SISTEM · recompute

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

  3. 11.10.2026 21:08:02 · EMSC · update

    depth: 35 → 10 latitude: 7.731 → 7.7084 longitude: -81.5772 → -81.6209 magnitude: 5 → 4.8 time: 2026-10-11T17:11:33.470+00:00 → 2026-10-11T17:11:29.405+00:00

  4. 11.10.2026 21:08:02 · SISTEM · recompute

    depth: 35 → 10 latitude: 7.731 → 7.7084 longitude: -81.5772 → -81.6209 magnitude: 5 → 4.8 time: 2026-10-11T17:11:33.470Z → 2026-10-11 17:11:29.405+00:00

  5. 11.10.2026 20:54:16 · SISTEM · recompute

    source count: 1 → 2 confirming sources: emsc → emsc,gfz

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