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M4.9 earthquake 64 km SSW of Condoto, Chocó, Colombia

A magnitude 4.9 earthquake struck 64 km SSW of Condoto, Chocó, Colombia at 15:12 local time (20:12 UTC) on 16 Sept 2026, at a depth of 66 km, according to USGS.

4 reports to USGS “Did You Feel It?”

Data: USGS · updated 2026-09-18 19:33 UTC · reviewed

Magnitude
4.9light
moment magnitude (W phase) (mww)
Depth
66.1 km
Status
Reviewed
Origin time
2026-09-16 20:12:52 UTC
Local: 16 Sept 2026, 15:12:52 (America/Bogota)
Epicentre
4.550° N, 76.840° W

Circles show this event and others within 36 km from 7 days before to 30 days after. Lines: plate boundaries and GEM active faults. Open on the live map

Nearby places

Distance and estimated shaking at nearby places
PlaceDistanceEst. shaking
CondotoChocó, Colombia · pop. 9,89764 kmIIIWeak
El DovioValle del Cauca Department, Colombia · pop. 7,94267 kmIIIWeak
BuenaventuraValle del Cauca Department, Colombia · pop. 240,38777 kmIIIWeak
RoldanilloValle del Cauca Department, Colombia · pop. 27,56178 kmIIIWeak
La UniónValle del Cauca Department, Colombia · pop. 41,01382 kmIIIWeak
ZarzalValle del Cauca Department, Colombia · pop. 28,76187 kmIIIWeak
PalmiraValle del Cauca Department, Colombia · pop. 312,519128 kmIIWeak
CaliValle del Cauca Department, Colombia · pop. 2,392,877129 kmIIWeak

Shaking is an estimate from the intensity prediction equation of Allen, Wald & Worden (2012), not an observation. Local ground and buildings can change it by a level or more. Likely felt out to about 94 km.

Every agency's solution

Agencies locate earthquakes with their own stations and methods, so their numbers differ. We match reports of the same event by time, distance and magnitude and show them side by side. The headline uses USGS, which has been reviewed by an analyst.

AgencyMagnitudeDepthEpicentreTime offsetStatus
USGSheadlineUSGS NEIC via U.S. Geological Survey4.9 mww66.1 km4.55° N, 76.84° W–Reviewed

How big was it?

Widely felt near the epicentre: rattling windows and objects. Significant damage is unlikely.

It released roughly the energy of 338 t of TNT. Magnitude is logarithmic: each whole step means about 32 times more energy and 10 times larger waves on a seismogram. Depth matters too: at 66 km this was a shallow earthquake, which is felt more strongly at the surface than a deeper one of the same size.

M4.9 releases about 32× the energy of M3.9, and its waves are about 10× taller on a seismogram. Energy: 338 t of TNT vs 11 t of TNT.

Each square is the energy of one M3.9. Energy from log₁₀E = 1.5M + 4.8.

Aftershocks and nearby activity

10 later earthquakes within 36 km; the largest was M4.8 9 days ago. 9 in the 7 days before. Aftershock rates usually fall off roughly in proportion to 1/time.

Aftershocks

Mainshock M4.9

10 later earthquakes nearby. Aftershock rates typically fall off roughly as 1/time (Omori's law).

Aftershocks
Time after mainshock (hours)MagnitudeDepth (km)
0.704.751
5.004.459
24.964.758
34.074.768
46.484.583
56.824.374
65.534.858
75.124.280
196.744.552
265.754.670
  1. 4.868 km SSW of Condoto, Chocó, Colombia09-19 13:44
  2. 4.760 km WNW of Trujillo, Valle del Cauca Department, Colombia09-16 20:55
  3. 4.765 km W of El Dovio, Valle del Cauca Department, Colombia09-17 21:10
  4. 4.754 km WNW of Trujillo, Valle del Cauca Department, Colombia09-18 06:17
  5. 4.659 km W of El Dovio, Valle del Cauca Department, Colombia09-27 21:57
  6. 4.546 km WNW of Trujillo, Valle del Cauca Department, Colombia09-18 18:41
  7. 4.564 km SE of Pizarro, Chocó, Colombia09-25 00:57
  8. 4.458 km W of El Dovio, Valle del Cauca Department, Colombia09-17 01:12
  9. 4.354 km WNW of Trujillo, Valle del Cauca Department, Colombia09-19 05:01
  10. 4.242 km NW of Trujillo, Valle del Cauca Department, Colombia09-19 23:20

Did you feel it?

Reports from people help show where shaking was strong. They are anonymous and shown here in aggregate.

How strong was the shaking where you were?

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Reports on SeismoAtlas

No reports yet.

USGS “Did You Feel It?” has 4 reports: add yours at USGS.

Event id us7000thxc. First recorded here 28 Sept 2026, 17:32:11 UTC. Solutions: USGS (usgs:us7000thxc). Cite as: SeismoAtlas, “M4.9 earthquake 64 km SSW of Condoto, Chocó, Colombia”, https://seismoatlas.com/earthquake/us7000thxc-m4-9-earthquake-64-km-ssw-of-condoto-choco-colombia, data from USGS.

JSON: /api/v1/events/us7000thxc. SeismoAtlas is not an official warning service.