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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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4.1

2 km S of Leones Arriba, Panama

18 October 2026, 09:15:47 (+03) 2026-10-18 06:15:47 UTC

2 sources: EMSC, USGS mb
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Magnitude
4.1 mb
Depth
10.0 km
Coordinates
7.7298, -81.1202
Data consistency
90/100

Regional activity (100 km)

Last 24 hours
13
Last 7 days
82
Last 30 days
710

Approximate energy released

≈ 21 t TNT

8.91e+10 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

988 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 21
  • M3 700
  • M4 249
  • M5 14
  • M6 3
  • M7 1
  • M8+ 0

By depth

  • 0–10 km 448
  • 10–20 km 494
  • 20–40 km 39
  • 40–70 km 3
  • 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

Agency Magnitude Depth Time (UTC) Difference from master Original record
EMSC-CSEM
PANAMA
 4.1 mb 10.0 km 06:15:48.110 Δt 0.9 sn · 3.27 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
2 km S of Leones Arriba, Panama
 4.1 mb 10.0 km 06:15:47.214 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. 19.10.2026 00:06:42 · EMSC · update

    latitude: 7.7298 → 7.7322 longitude: -81.1202 → -81.1497 magnitude: 4 → 4.1 time: 2026-10-18T06:15:47.214+00:00 → 2026-10-18T06:15:48.110+00:00 magnitude type: m → mb

  2. 18.10.2026 10:00:12 · SISTEM · recompute

    magnitude: 4 → 4.1 source count: 1 → 2 review status: automatic → reviewed magnitude type: m → mb confirming sources: emsc → emsc,usgs preferred source: 3 → 4

  3. 18.10.2026 10:00:12 · EMSC · update

    depth: 1 → 10 latitude: 8.6548 → 7.7298 longitude: -82.65 → -81.1202 time: 2026-10-18T06:16:12.000+00:00 → 2026-10-18T06:15:47.214+00:00 location: PANAMA-COSTA RICA BORDER REGION → PANAMA

  4. 18.10.2026 10:00:12 · SISTEM · recompute

    depth: 1 → 10 latitude: 8.6548 → 7.7298 longitude: -82.65 → -81.1202 time: 2026-10-18T06:16:12.000Z → 2026-10-18 06:15:47.214+00:00

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