M4.4 earthquake 21 km NNW of Rioblanco, Colombia
A magnitude 4.4 earthquake struck 21 km NNW of Rioblanco, Colombia on Tue, Sep 22, 2026, 11:36 PM GMT-5 (04:36 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
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2026-09-23 04:36:36 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 3.702° N, 75.738° 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 6.8 km horizontally, 5.8 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 76°
- Stations used
- 29
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 since this one and 6 in the 30 days before it.
After
- 4.319 km SSW of Roncesvalles, Colombia · 10 days ago · 10 km deep · 18 km away
- 4.217 km SW of Roncesvalles, Colombia · 10 days ago · 10 km deep · 24 km away
- 4.69 km S of San Antonio, Colombia · 9 days ago · 75 km deep · 33 km away · felt by 1
- 4.621 km NNW of Rioblanco, Colombia · 8 days ago · 10 km deep · 2 km away
- 4.228 km WSW of Roncesvalles, Colombia · 8 days ago · 10 km deep · 31 km away
- 4.218 km WNW of Chaparral, Colombia · 8 days ago · 10 km deep · 11 km away
- 4.625 km W of Roncesvalles, Colombia · 7 days ago · 10 km deep · 37 km away
- 4.326 km WNW of Chaparral, Colombia · 5 days ago · 10 km deep · 10 km away
- 4.515 km SW of San Antonio, Colombia · 3 days ago · 10 km deep · 22 km away
Before
- 4.625 km WSW of Roncesvalles, Colombia · 10 days ago · 10 km deep · 30 km away
- 4.125 km SSW of Roncesvalles, Colombia · 11 days ago · 10 km deep · 13 km away
- 4.423 km SSW of Roncesvalles, Colombia · 11 days ago · 13 km deep · 14 km away
- 4.22 km E of Roncesvalles, Colombia · 11 days ago · 10 km deep · 38 km away
- 4.51 km SE of San Antonio, Colombia · 11 days ago · 10 km deep · 37 km away · felt by 1
- 4.320 km SSW of Roncesvalles, Colombia · 11 days ago · 10 km deep · 17 km away · felt by 1
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000tx0s. Read Fri, Oct 2, 2026, 11:07 PM UTC.