M3.3 earthquake 19 km NNW of Lampa, Chile
A magnitude 3.3 earthquake struck 19 km NNW of Lampa, Chile on Fri, Apr 27, 2018, 10:40 PM GMT-3 (01:40 UTC), 75 km (46 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
- 3.3 (ml), minor
- Local time
- UTC
- 2018-04-28 01:40:54 UTC
- Depth
- 74.5 km (46.3 mi), intermediate-depth
- Epicenter
- 33.134° S, 70.986° 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 II, weak shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.1 km horizontally, 5.5 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 56°
- Stations used
- 30
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 2 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 · 92 km away · felt by 148
- 4.543 km NW of Valparaíso, Chile · 3062 days ago · 19 km deep · 100 km away · felt by 77
- 3.740 km NW of Valparaíso, Chile · 3062 days ago · 23 km deep · 96 km away
- 4.223 km SE of Puente Alto, Chile · 3054 days ago · 107 km deep · 88 km away · felt by 4
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000dtyp. Read Tue, Sep 29, 2026, 4:17 AM UTC.