M3.9 earthquake 33 km NE of Cartagena, Chile
A magnitude 3.9 earthquake struck 33 km NE of Cartagena, Chile on Fri, Sep 4, 2020, 9:23 AM GMT-4 (13:23 UTC), 47 km (29 mi) below the surface.
A larger quake followed: M4.8 40 km W of Valparaíso, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.9 (ML, local (Richter)), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-09-04 13:23:21 UTC
- Depth
- 46.7 km (29.0 mi), shallow
- Epicenter
- 33.368° S, 71.322° W
- Region
- Chile
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 3.0 km horizontally, 8.7 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 141°
- Stations used
- 35
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.840 km W of Valparaíso, Chile · 2197 days ago · 18 km deep · 80 km away · felt by 12
- 4.58 km WNW of Buin, Chile · 2196 days ago · 85 km deep · 59 km away · felt by 17
- 4.436 km NNW of Viña del Mar, Chile · 2188 days ago · 34 km deep · 79 km away · felt by 15
- 4.23 km SE of Lampa, Chile · 2187 days ago · 79 km deep · 45 km away · felt by 2
- 3.851 km WNW of Valparaíso, Chile · 2163 days ago · 10 km deep · 96 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000bhtg. Read Sun, Oct 4, 2026, 8:14 PM UTC.