M3.9 earthquake 4 km WNW of Peñaflor, Chile
A magnitude 3.9 earthquake struck 4 km WNW of Peñaflor, Chile on Sat, Apr 7, 2018, 2:35 PM GMT-3 (17:35 UTC), 81 km (50 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
- 3.9 (ml), minor
- Local time
- UTC
- 2018-04-07 17:35:13 UTC
- Depth
- 80.6 km (50.1 mi), intermediate-depth
- Epicenter
- 33.591° S, 70.916° W
- Region
- Chile
- Felt reports
- 2
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
2 people reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 1.9 km horizontally, 6.3 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 50°
- Stations used
- 49
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 0 in the 30 days before it.
After
- 4.321 km NE of Machalí, Chile · 3087 days ago · 108 km deep · 68 km away · felt by 5
- 4.210 km ENE of Hacienda La Calera, Chile · 3085 days ago · 56 km deep · 97 km away · felt by 3
- 3.319 km NNW of Lampa, Chile · 3076 days ago · 75 km deep · 51 km away · felt by 1
- 4.857 km ENE of Villa Presidente Frei, Ñuñoa, Santiago, Chile, Chile · 3072 days ago · 111 km deep · 92 km away · felt by 148
- 4.223 km SE of Puente Alto, Chile · 3054 days ago · 107 km deep · 53 km away · felt by 4
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000dw3w. Read Tue, Sep 29, 2026, 5:17 AM UTC.