M4.1 earthquake 61 km W of La Ligua, Chile
A magnitude 4.1 earthquake struck 61 km W of La Ligua, Chile on Sat, Oct 7, 2017, 7:37 AM GMT-3 (10:37 UTC), 20 km (12 mi) below the surface.
A larger quake followed: M4.7 143 km NW of Valparaíso, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb), light
- Local time
- UTC
- 2017-10-07 10:37:24 UTC
- Depth
- 19.6 km (12.2 mi), shallow
- Epicenter
- 32.492° S, 71.879° W
- Region
- Chile
- Felt reports
- 103
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
103 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 4.7 km horizontally, 6.9 km in depth
- Magnitude uncertainty
- ±0.23
- Depth from
- From location
- Station coverage gap
- 186°, poorly surrounded by stations
- Stations used
- 40
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 11 in the 30 days before it.
After
- 4.045 km W of Valparaíso, Chile · 3273 days ago · 16 km deep · 59 km away
- 3.710 km SSW of Valparaíso, Chile · 3269 days ago · 30 km deep · 73 km away · felt by 42
- 4.056 km W of Valparaíso, Chile · 3268 days ago · 20 km deep · 69 km away · felt by 29
- 4.7143 km NW of Valparaíso, Chile · 3266 days ago · 10 km deep · 95 km away · felt by 127
- 4.118 km SE of La Ligua, Chile · 3264 days ago · 74 km deep · 75 km away · felt by 30
- 4.242 km WNW of Hacienda La Calera, Chile · 3224 days ago · 30 km deep · 28 km away · felt by 30
- 4.832 km NE of La Ligua, Chile · 3224 days ago · 72 km deep · 88 km away · felt by 117
- 4.242 km NNW of Valparaíso, Chile · 3219 days ago · 22 km deep · 22 km away · felt by 36
- 4.470 km WNW of La Ligua, Chile · 3217 days ago · 10 km deep · 23 km away · felt by 3
- 4.357 km WNW of La Ligua, Chile · 3217 days ago · 26 km deep · 22 km away
- 4.557 km WSW of Valparaíso, Chile · 3215 days ago · 15 km deep · 84 km away · felt by 9
- 4.372 km NW of La Ligua, Chile · 3214 days ago · 36 km deep · 54 km away
Before
- 4.035 km W of Valparaíso, Chile · 3278 days ago · 19 km deep · 60 km away · felt by 34
- 4.199 km W of Illapel, Chile · 3282 days ago · 39 km deep · 93 km away · felt by 6
- 4.3103 km W of Illapel, Chile · 3285 days ago · 14 km deep · 86 km away · felt by 21
- 4.351 km NW of Valparaíso, Chile · 3286 days ago · 24 km deep · 24 km away · felt by 45
- 4.0Off the coast of Coquimbo, Chile · 3292 days ago · 10 km deep · 86 km away
- 4.5124 km W of Illapel, Chile · 3292 days ago · 10 km deep · 97 km away · felt by 5
- 4.2113 km W of Illapel, Chile · 3292 days ago · 10 km deep · 86 km away · felt by 1
- 3.9118 km W of Illapel, Chile · 3292 days ago · 10 km deep · 97 km away
- 4.396 km W of Illapel, Chile · 3293 days ago · 10 km deep · 81 km away
- 4.3102 km WSW of Illapel, Chile · 3293 days ago · 10 km deep · 79 km away
- 5.993 km WSW of Illapel, Chile · 3293 days ago · 17 km deep · 78 km away · felt by 115
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000b2fz. Read Thu, Sep 24, 2026, 10:09 AM UTC.