M4.3 earthquake 66 km NNW of Valparaíso, Chile
A magnitude 4.3 earthquake struck 66 km NNW of Valparaíso, Chile on Sun, Jul 29, 2018, 9:49 AM GMT-4 (13:49 UTC), 16 km (10 mi) below the surface.
A larger quake followed: M4.6 6 km N of La Ligua, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb), light
- Local time
- UTC
- 2018-07-29 13:49:06 UTC
- Depth
- 16.4 km (10.2 mi), shallow
- Epicenter
- 32.497° S, 71.942° W
- Region
- Chile
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.7 km horizontally, 7.0 km in depth
- Magnitude uncertainty
- ±0.27
- Depth from
- From location
- Station coverage gap
- 158°
- Stations used
- 41
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 3 in the 30 days before it.
After
- 3.122 km NW of Valparaíso, Chile · 2965 days ago · 28 km deep · 44 km away · felt by 3
- 4.349 km WNW of La Ligua, Chile · 2962 days ago · 53 km deep · 38 km away · felt by 1
- 4.447 km W of Valparaíso, Chile · 2955 days ago · 18 km deep · 69 km away · felt by 3
- 4.66 km N of La Ligua, Chile · 2949 days ago · 48 km deep · 68 km away · felt by 56
- 4.6102 km W of Illapel, Chile · 2943 days ago · 11 km deep · 87 km away
- 4.536 km WSW of La Ligua, Chile · 2935 days ago · 32 km deep · 32 km away · felt by 6
- 4.137 km WSW of La Ligua, Chile · 2935 days ago · 21 km deep · 32 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000ggp7. Read Sun, Sep 27, 2026, 7:22 AM UTC.