M4.3 earthquake 21 km NE of Machalí, Chile
A magnitude 4.3 earthquake struck 21 km NE of Machalí, Chile on Tue, Apr 17, 2018, 2:58 AM GMT-3 (05:58 UTC), 108 km (67 mi) below the surface.
A larger quake followed: M4.8 57 km ENE of Villa Presidente Frei, Ñuñoa, Santiago, Chile, 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
- 2018-04-17 05:58:00 UTC
- Depth
- 108.2 km (67.2 mi), intermediate-depth
- Epicenter
- 34.067° S, 70.457° W
- Region
- Chile
- Felt reports
- 5
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
5 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 5.2 km horizontally, 5.7 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 37°
- Stations used
- 62
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.857 km ENE of Villa Presidente Frei, Ñuñoa, Santiago, Chile, Chile · 3072 days ago · 111 km deep · 99 km away · felt by 148
- 4.223 km SE of Puente Alto, Chile · 3054 days ago · 107 km deep · 38 km away · felt by 4
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000e1d8. Read Tue, Sep 29, 2026, 6:08 AM UTC.