M4.3 earthquake 52 km NNW of Valparaíso, Chile
A magnitude 4.3 earthquake struck 52 km NNW of Valparaíso, Chile on Mon, Jul 16, 2018, 5:44 AM GMT-4 (09:44 UTC), 28 km (17 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 (mwr), light
- Local time
- UTC
- 2018-07-16 09:44:53 UTC
- Depth
- 28.0 km (17.4 mi), shallow
- Epicenter
- 32.580° S, 71.784° W
- Region
- Chile
- Felt reports
- 4
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
4 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.

How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.1 km horizontally, 7.8 km in depth
- Depth from
- From location
- Station coverage gap
- 159°
- Stations used
- 48
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 2 in the 30 days before it.
After
- 3.745 km W of Valparaíso, Chile · 2990 days ago · 22 km deep · 55 km away · felt by 1
- 4.366 km NNW of Valparaíso, Chile · 2983 days ago · 16 km deep · 17 km away
- 3.122 km NW of Valparaíso, Chile · 2966 days ago · 28 km deep · 32 km away · felt by 3
- 4.349 km WNW of La Ligua, Chile · 2963 days ago · 53 km deep · 40 km away · felt by 1
- 4.447 km W of Valparaíso, Chile · 2956 days ago · 18 km deep · 66 km away · felt by 3
- 4.66 km N of La Ligua, Chile · 2951 days ago · 48 km deep · 56 km away · felt by 56
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000g61m. Read Mon, Sep 28, 2026, 11:25 AM UTC.