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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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4.9

68 km WSW of San Juan del Sur, Nicaragua

19 October 2026, 08:18:36 (+03) 2026-10-19 05:18:36 UTC

3 sources: EMSC, USGS, GFZ mb Under moderator review
Magnitude
4.9 mb
Depth
44.0 km
Coordinates
11.1229, -86.4815
Data consistency
96/100

Regional activity (100 km)

Last 24 hours
2
Last 7 days
12
Last 30 days
57

Approximate energy released

≈ 338 t TNT

1.41e+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

64 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 29
  • M3 31
  • M4 4
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 5
  • 10–20 km 18
  • 20–40 km 21
  • 40–70 km 7
  • 70–150 km 4
  • 150+ km 9

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
NEAR COAST OF NICARAGUA
4.9 mb 50.0 km 05:18:36.210 Δt 0.21 sn · 7.46 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
68 km WSW of San Juan del Sur, Nicaragua
4.9 mb 44.0 km 05:18:36.003 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
Near Coast of Nicaragua
5.0 mb 57.2 km 05:18:37.880 Δt 1.88 sn · 7.82 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. 19.10.2026 09:37:32 · EMSC · update

    depth: 44 → 50 latitude: 11.1229 → 11.0568 longitude: -86.4815 → -86.495 time: 2026-10-19T05:18:36.003+00:00 → 2026-10-19T05:18:36.210+00:00

  2. 19.10.2026 09:09:15 · SISTEM · recompute

    depth: 44 → 44.02 source count: 2 → 3 confirming sources: emsc,gfz → emsc,usgs,gfz preferred source: 3 → 4

  3. 19.10.2026 09:09:14 · EMSC · update

    depth: 10 → 44 latitude: 10.5056 → 11.1229 longitude: -85.9357 → -86.4815 magnitude: 5 → 4.9 time: 2026-10-19T05:18:42.000+00:00 → 2026-10-19T05:18:36.003+00:00 location: COSTA RICA → NEAR COAST OF NICARAGUA

  4. 19.10.2026 09:09:14 · SISTEM · recompute

    depth: 10 → 44 latitude: 10.5056 → 11.1229 longitude: -85.9357 → -86.4815 magnitude: 5 → 4.9 time: 2026-10-19T05:18:42.000Z → 2026-10-19 05:18:36.003+00:00

  5. 19.10.2026 08:30:22 · EMSC · update

    depth: 57.2 → 10 latitude: 11.119 → 10.5056 longitude: -86.41 → -85.9357 time: 2026-10-19T05:18:37.880+00:00 → 2026-10-19T05:18:42.000+00:00 location: NEAR COAST OF NICARAGUA → COSTA RICA

  6. 19.10.2026 08:30:22 · SISTEM · recompute

    depth: 57.2 → 10 latitude: 11.119 → 10.5056 longitude: -86.41 → -85.9357 time: 2026-10-19T05:18:37.880Z → 2026-10-19 05:18:42.000+00:00

  7. 19.10.2026 08:28:46 · SISTEM · recompute

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

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