M4.2 earthquake 17 km SW of Roncesvalles, Colombia
A magnitude 4.2 earthquake struck 17 km SW of Roncesvalles, Colombia on Wed, Sep 23, 2026, 4:04 AM GMT-5 (09:04 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.6 9 km S of San Antonio, Colombia. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.2 (mb), light
- Local time
- UTC
- 2026-09-23 09:04:13 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 3.915° N, 75.732° W
- Region
- Colombia
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS. If you felt it, tell the USGS: every report sharpens the shaking map.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.7 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- Operator assigned
- Station coverage gap
- 90°
- Stations used
- 59
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 since this one and 8 in the 30 days before it.
After
- 4.69 km S of San Antonio, Colombia · 7 days ago · 75 km deep · 30 km away · felt by 1
- 4.621 km NNW of Rioblanco, Colombia · 6 days ago · 10 km deep · 25 km away
- 4.228 km WSW of Roncesvalles, Colombia · 6 days ago · 10 km deep · 15 km away
- 4.625 km W of Roncesvalles, Colombia · 5 days ago · 10 km deep · 16 km away
- 4.326 km WNW of Chaparral, Colombia · 2 days ago · 10 km deep · 14 km away
- 4.515 km SW of San Antonio, Colombia · 22 hr ago · 10 km deep · 18 km away
Before
- 4.319 km SSW of Roncesvalles, Colombia · 8 days ago · 10 km deep · 11 km away
- 4.421 km NNW of Rioblanco, Colombia · 8 days ago · 10 km deep · 24 km away
- 4.625 km WSW of Roncesvalles, Colombia · 8 days ago · 10 km deep · 12 km away
- 4.125 km SSW of Roncesvalles, Colombia · 8 days ago · 10 km deep · 11 km away
- 4.423 km SSW of Roncesvalles, Colombia · 9 days ago · 13 km deep · 12 km away
- 4.22 km E of Roncesvalles, Colombia · 9 days ago · 10 km deep · 19 km away
- 4.51 km SE of San Antonio, Colombia · 9 days ago · 10 km deep · 29 km away · felt by 1
- 4.320 km SSW of Roncesvalles, Colombia · 9 days ago · 10 km deep · 9 km away · felt by 1
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000tx28. Read Wed, Sep 30, 2026, 7:21 PM UTC.