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Colombia · Chocó

M4.5 Earthquake near Istmina, Chocó (Colombia)

UTC time: 2026-09-18 18:41:23 UTC Local time: —
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Archive record · original publication time was not recorded Content updated:

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

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About this earthquake

A magnitude M4.5 earthquake was recorded near Istmina, Chocó (Colombia) on September 18, 2026 at 18:41 UTC. The earthquake originated at an intermediate depth of about 73 km. Tremors of this size are distinctly felt and can occasionally cause light damage.

The data is provided by USGS and cross-checked across seismological networks.

Details

ID
664d68311823559bfc425af32b18ad9ee0dcbc09
Magnitude
M4.5
Depth
72.6 km
UTC time
2026-09-18 18:41:23 UTC
Local time
—
Country
Colombia
State
Chocó
City
Istmina
County
San Juan
Source
usgs
Coordinates
4.50420, -76.79780
Temperature
26.0°C

Depth profile

Depth profile Depth: 72.6 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 72.6 km
Intermediate
72.6 km
72.6 km — close to the regional average (78.9 km)
Regional average: 78.9 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Tectonic context

Located on the North Andes Plate.
Near the boundary Nazca ↔ North Andes · about 147 km away

Volcanoes nearby

  • Machin
    Distance: 156 km ·Stratovolcano ·Elevation: 2'749 m ·Last eruption: 1180 ·Colombia
  • Santa Isabel
    Distance: 163 km ·Shield ·Elevation: 4'944 m ·Last eruption: -850 ·Colombia
  • Tolima, Nevado del
    Distance: 164 km ·Stratovolcano ·Elevation: 5'215 m ·Last eruption: 1943 ·Colombia
  • Ruiz, Nevado del
    Distance: 169 km ·Stratovolcano ·Elevation: 5'279 m ·Last eruption: 2026 ·Colombia
  • Romeral
    Distance: 177 km ·Stratovolcano ·Elevation: 3'769 m ·Last eruption: -5390 ·Colombia
  • Bravo, Cerro
    Distance: 179 km ·Stratovolcano ·Elevation: 3'985 m ·Last eruption: 1720 ·Colombia

Chocó

Context for this earthquake

20 Sep 2025 – 20 Sep 2026 · M ≥ 3.0 · 33 Catalogue entries

Of 32 other entries for this area and period, 21 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · Colombia

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Country statistics · Colombia

Country overview
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Stats (last 24h)

Global (24h)
590
Country (24h)
Colombia
0
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